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#1 2011-03-23 23:29:02

Inxsible
Forum Fellow
From: Chicago
Registered: 2008-06-09
Posts: 9,183

How to find the max data transfer rate(disk speed) supported by mobo?

I plan on replacing my current HDD with a new and bigger HDD.

For this I need to know the max data transfer rate(disk speed) that my mobo will support. However, dmidecode is not telling me that. Am I missing something?

Here's dmidecode:

# dmidecode 2.11
SMBIOS 2.5 present.
80 structures occupying 2858 bytes.
Table at 0x000F0450.

Handle 0xDA00, DMI type 218, 101 bytes
OEM-specific Type
    Header and Data:
        DA 65 00 DA B2 00 17 4B 0E 38 00 00 80 00 80 01
        00 02 80 02 80 01 00 00 A0 00 A0 01 00 58 00 58
        00 01 00 59 00 59 00 01 00 75 01 75 01 01 00 76
        01 76 01 01 00 05 80 05 80 01 00 D1 01 19 00 01
        00 15 02 19 00 02 00 1B 00 19 00 03 00 19 00 19
        00 00 00 4A 02 4A 02 01 00 0C 80 0C 80 01 00 FF
        FF 00 00 00 00

Handle 0xDA01, DMI type 218, 35 bytes
OEM-specific Type
    Header and Data:
        DA 23 01 DA B2 00 17 4B 0E 38 00 10 F5 10 F5 00
        00 11 F5 11 F5 00 00 12 F5 12 F5 00 00 FF FF 00
        00 00 00

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
    Vendor: Dell Inc.
    Version: A17
    Release Date: 04/06/2010
    Address: 0xF0000
    Runtime Size: 64 kB
    ROM Size: 4096 kB
    Characteristics:
        PCI is supported
        PNP is supported
        APM is supported
        BIOS is upgradeable
        BIOS shadowing is allowed
        ESCD support is available
        Boot from CD is supported
        Selectable boot is supported
        EDD is supported
        Japanese floppy for Toshiba 1.2 MB is supported (int 13h)
        3.5"/720 kB floppy services are supported (int 13h)
        Print screen service is supported (int 5h)
        8042 keyboard services are supported (int 9h)
        Serial services are supported (int 14h)
        Printer services are supported (int 17h)
        ACPI is supported
        USB legacy is supported
        BIOS boot specification is supported
        Function key-initiated network boot is supported
        Targeted content distribution is supported
    BIOS Revision: 17.0

Handle 0x0100, DMI type 1, 27 bytes
System Information
    Manufacturer: Dell Inc.
    Product Name: OptiPlex 755                 
    Version: Not Specified
    UUID: 44454C4C-5900-1050-8033-C4C04F434731
    Wake-up Type: Power Switch
    SKU Number: Not Specified
    Family: Not Specified

Handle 0x0200, DMI type 2, 8 bytes
Base Board Information
    Manufacturer: Dell Inc.
    Product Name: 0PU052
    Version:    

Handle 0x0300, DMI type 3, 13 bytes
Chassis Information
    Manufacturer: Dell Inc.
    Type: Space-saving
    Lock: Not Present
    Version: Not Specified
    Asset Tag:           
    Boot-up State: Safe
    Power Supply State: Safe
    Thermal State: Safe
    Security Status: None

Handle 0x0400, DMI type 4, 40 bytes
Processor Information
    Socket Designation: CPU
    Type: Central Processor
    Family: Xeon
    Manufacturer: Intel
    ID: 76 06 01 00 FF FB EB BF
    Signature: Type 0, Family 6, Model 23, Stepping 6
    Flags:
        FPU (Floating-point unit on-chip)
        VME (Virtual mode extension)
        DE (Debugging extension)
        PSE (Page size extension)
        TSC (Time stamp counter)
        MSR (Model specific registers)
        PAE (Physical address extension)
        MCE (Machine check exception)
        CX8 (CMPXCHG8 instruction supported)
        APIC (On-chip APIC hardware supported)
        SEP (Fast system call)
        MTRR (Memory type range registers)
        PGE (Page global enable)
        MCA (Machine check architecture)
        CMOV (Conditional move instruction supported)
        PAT (Page attribute table)
        PSE-36 (36-bit page size extension)
        CLFSH (CLFLUSH instruction supported)
        DS (Debug store)
        ACPI (ACPI supported)
        MMX (MMX technology supported)
        FXSR (FXSAVE and FXSTOR instructions supported)
        SSE (Streaming SIMD extensions)
        SSE2 (Streaming SIMD extensions 2)
        SS (Self-snoop)
        HTT (Multi-threading)
        TM (Thermal monitor supported)
        PBE (Pending break enabled)
    Version: Not Specified
    Voltage: 0.0 V
    External Clock: 1333 MHz
    Max Speed: 5200 MHz
    Current Speed: 2666 MHz
    Status: Populated, Enabled
    Upgrade: Socket LGA775
    L1 Cache Handle: 0x0700
    L2 Cache Handle: 0x0701
    L3 Cache Handle: Not Provided
    Serial Number: Not Specified
    Asset Tag: Not Specified
    Part Number: Not Specified
    Core Count: 2
    Core Enabled: 2
    Thread Count: 2
    Characteristics:
        64-bit capable

Handle 0x0700, DMI type 7, 19 bytes
Cache Information
    Socket Designation: Not Specified
    Configuration: Enabled, Not Socketed, Level 1
    Operational Mode: Write Back
    Location: Internal
    Installed Size: 32 kB
    Maximum Size: 32 kB
    Supported SRAM Types:
        Other
    Installed SRAM Type: Other
    Speed: Unknown
    Error Correction Type: None
    System Type: Data
    Associativity: 8-way Set-associative

Handle 0x0701, DMI type 7, 19 bytes
Cache Information
    Socket Designation: Not Specified
    Configuration: Enabled, Not Socketed, Level 2
    Operational Mode: Varies With Memory Address
    Location: Internal
    Installed Size: 6144 kB
    Maximum Size: 6144 kB
    Supported SRAM Types:
        Other
    Installed SRAM Type: Other
    Speed: Unknown
    Error Correction Type: Single-bit ECC
    System Type: Unified
    Associativity: <OUT OF SPEC>

Handle 0x0800, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: PARALLEL
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: DB-25 female
    Port Type: Parallel Port PS/2

Handle 0x0801, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: SERIAL1
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: DB-9 male
    Port Type: Serial Port 16550A Compatible

Handle 0x0802, DMI type 126, 9 bytes
Inactive

Handle 0x0803, DMI type 126, 9 bytes
Inactive

Handle 0x0804, DMI type 126, 9 bytes
Inactive

Handle 0x0805, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: USB1
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB

Handle 0x0806, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: USB2
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB

Handle 0x0807, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: USB3
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB

Handle 0x0808, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: USB4
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB

Handle 0x0809, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: USB5
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB

Handle 0x080A, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: USB6
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB

Handle 0x080B, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: USB7
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB

Handle 0x080C, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: USB8
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Access Bus (USB)
    Port Type: USB

Handle 0x080D, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: ENET
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: RJ-45
    Port Type: Network Port

Handle 0x080E, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: MIC
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Mini Jack (headphones)
    Port Type: Audio Port

Handle 0x080F, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: LINE-OUT
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Mini Jack (headphones)
    Port Type: Audio Port

Handle 0x0810, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: LINE-IN
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Mini Jack (headphones)
    Port Type: Audio Port

Handle 0x0811, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: HP-OUT
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: Mini Jack (headphones)
    Port Type: Audio Port

Handle 0x0812, DMI type 8, 9 bytes
Port Connector Information
    Internal Reference Designator: MONITOR
    Internal Connector Type: None
    External Reference Designator: Not Specified
    External Connector Type: DB-15 female
    Port Type: Video Port

Handle 0x090A, DMI type 9, 13 bytes
System Slot Information
    Designation: SLOT1
    Type: x1 Proprietary
    Current Usage: In Use
    Length: Long
    Characteristics:
        PME signal is supported

Handle 0x0901, DMI type 126, 13 bytes
Inactive

Handle 0x0902, DMI type 9, 13 bytes
System Slot Information
    Designation: SLOT2  
    Type: 32-bit PCI
    Current Usage: Available
    Length: Long
    ID: 2
    Characteristics:
        5.0 V is provided
        3.3 V is provided
        PME signal is supported

Handle 0x0903, DMI type 126, 13 bytes
Inactive

Handle 0x0904, DMI type 126, 13 bytes
Inactive

Handle 0x0905, DMI type 126, 13 bytes
Inactive

Handle 0x0906, DMI type 126, 13 bytes
Inactive

Handle 0x0907, DMI type 126, 13 bytes
Inactive

Handle 0x0908, DMI type 126, 13 bytes
Inactive

Handle 0x0A00, DMI type 10, 6 bytes
On Board Device Information
    Type: Video
    Status: Disabled
    Description: Intel Graphics Media Accelerator 950

Handle 0x0A02, DMI type 10, 6 bytes
On Board Device Information
    Type: Ethernet
    Status: Enabled
    Description: Intel Gigabit Ethernet Controller

Handle 0x0A03, DMI type 10, 6 bytes
On Board Device Information
    Type: Sound
    Status: Enabled
    Description: Intel(R) High Definition Audio Controller

Handle 0x0B00, DMI type 11, 5 bytes
OEM Strings
    String 1: www.dell.com

Handle 0x0D00, DMI type 13, 22 bytes
BIOS Language Information
    Language Description Format: Long
    Installable Languages: 1
        en|US|iso8859-1
    Currently Installed Language: en|US|iso8859-1

Handle 0x0F00, DMI type 15, 29 bytes
System Event Log
    Area Length: 2049 bytes
    Header Start Offset: 0x0000
    Header Length: 16 bytes
    Data Start Offset: 0x0010
    Access Method: Memory-mapped physical 32-bit address
    Access Address: 0xFFF01000
    Status: Valid, Not Full
    Change Token: 0x00000018
    Header Format: Type 1
    Supported Log Type Descriptors: 3
    Descriptor 1: POST error
    Data Format 1: POST results bitmap
    Descriptor 2: System limit exceeded
    Data Format 2: System management
    Descriptor 3: Log area reset/cleared
    Data Format 3: None

Handle 0x1000, DMI type 16, 15 bytes
Physical Memory Array
    Location: System Board Or Motherboard
    Use: System Memory
    Error Correction Type: None
    Maximum Capacity: 8 GB
    Error Information Handle: Not Provided
    Number Of Devices: 4

Handle 0x1100, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x1000
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM_1
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MHz
    Manufacturer: AD00000000000000
  

Handle 0x1101, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x1000
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM_3
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MHz

Handle 0x1102, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x1000
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM_2
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MHz

Handle 0x1103, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x1000
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM_4
    Bank Locator: Not Specified
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MHz

Handle 0x1300, DMI type 19, 15 bytes
Memory Array Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x000FDFFFFFF
    Range Size: 4064 MB
    Physical Array Handle: 0x1000
    Partition Width: 1

Handle 0x1400, DMI type 20, 19 bytes
Memory Device Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x0007FFFFFFF
    Range Size: 2 GB
    Physical Device Handle: 0x1100
    Memory Array Mapped Address Handle: 0x1300
    Partition Row Position: 1
    Interleave Position: 1
    Interleaved Data Depth: 1

Handle 0x1401, DMI type 20, 19 bytes
Memory Device Mapped Address
    Starting Address: 0x00080000000
    Ending Address: 0x000FDFFFFFF
    Range Size: 2016 MB
    Physical Device Handle: 0x1101
    Memory Array Mapped Address Handle: 0x1300
    Partition Row Position: 1
    Interleave Position: 1
    Interleaved Data Depth: 1

Handle 0x1402, DMI type 20, 19 bytes
Memory Device Mapped Address
    Starting Address: 0x00000000000
    Ending Address: 0x0007FFFFFFF
    Range Size: 2 GB
    Physical Device Handle: 0x1102
    Memory Array Mapped Address Handle: 0x1300
    Partition Row Position: 1
    Interleave Position: 2
    Interleaved Data Depth: 1

Handle 0x1403, DMI type 20, 19 bytes
Memory Device Mapped Address
    Starting Address: 0x00080000000
    Ending Address: 0x000FDFFFFFF
    Range Size: 2016 MB
    Physical Device Handle: 0x1103
    Memory Array Mapped Address Handle: 0x1300
    Partition Row Position: 1
    Interleave Position: 2
    Interleaved Data Depth: 1

Handle 0x1410, DMI type 126, 19 bytes
Inactive

Handle 0x1800, DMI type 24, 5 bytes
Hardware Security
    Power-On Password Status: Enabled
    Keyboard Password Status: Not Implemented
    Administrator Password Status: Enabled
    Front Panel Reset Status: Not Implemented

Handle 0x1900, DMI type 25, 9 bytes
    System Power Controls
    Next Scheduled Power-on: *-* 00:00:00

Handle 0x1B10, DMI type 27, 12 bytes
Cooling Device
    Type: Fan
    Status: OK
    OEM-specific Information: 0x0000DD00

Handle 0x1B11, DMI type 27, 12 bytes
Cooling Device
    Type: Fan
    Status: OK
    OEM-specific Information: 0x0000DD01

Handle 0x1B12, DMI type 126, 12 bytes
Inactive

Handle 0x1B13, DMI type 126, 12 bytes
Inactive

Handle 0x1B14, DMI type 126, 12 bytes
Inactive

Handle 0x2000, DMI type 32, 11 bytes
System Boot Information
    Status: No errors detected

Handle 0x8100, DMI type 129, 8 bytes
OEM-specific Type
    Header and Data:
        81 08 00 81 01 01 02 01
    Strings:
        Intel_ASF
        Intel_ASF_001

Handle 0x8200, DMI type 130, 20 bytes
OEM-specific Type
    Header and Data:
        82 14 00 82 24 41 4D 54 01 01 00 00 01 A5 0B 02
        00 00 00 00

Handle 0x8300, DMI type 131, 64 bytes
OEM-specific Type
    Header and Data:
        83 40 00 83 14 00 00 00 00 00 C0 29 05 00 00 00
        F8 00 4E 24 00 00 00 00 0D 00 00 00 02 00 03 00
        19 04 14 00 01 00 01 02 C8 00 BD 10 00 00 00 00
        00 00 00 00 FF 00 00 00 00 00 00 00 00 00 00 00

Handle 0x8800, DMI type 136, 6 bytes
OEM-specific Type
    Header and Data:
        88 06 00 88 5A 5A

Handle 0xD000, DMI type 208, 10 bytes
OEM-specific Type
    Header and Data:
        D0 0A 00 D0 01 03 FE 00 11 02

Handle 0xD100, DMI type 209, 12 bytes
OEM-specific Type
    Header and Data:
        D1 0C 00 D1 78 03 07 03 04 0F 80 05

Handle 0xD200, DMI type 210, 12 bytes
OEM-specific Type
    Header and Data:
        D2 0C 00 D2 F8 03 04 03 06 80 04 05

Handle 0xD201, DMI type 126, 12 bytes
Inactive

Handle 0xD400, DMI type 212, 242 bytes
OEM-specific Type
    Header and Data:
        D4 F2 00 D4 70 00 71 00 00 10 2D 2E 42 00 11 FE
        01 43 00 11 FE 00 0F 00 25 FC 00 10 00 25 FC 01
        11 00 25 FC 02 12 00 25 FC 03 00 00 25 F3 00 00
        00 25 F3 04 00 00 25 F3 08 00 00 25 F3 0C 07 00
        23 8F 00 08 00 23 F3 00 09 00 23 F3 04 0A 00 23
        F3 08 0B 00 23 8F 10 0C 00 23 8F 20 0E 00 23 8F
        30 0D 00 23 8C 40 A6 00 23 8C 41 A7 00 23 8C 42
        05 01 22 FD 02 06 01 22 FD 00 8C 00 22 FE 00 8D
        00 22 FE 01 9B 00 25 3F 40 9C 00 25 3F 00 09 01
        25 3F 80 A1 00 26 F3 00 A2 00 26 F3 08 A3 00 26
        F3 04 9F 00 26 FD 02 A0 00 26 FD 00 9D 00 11 FB
        04 9E 00 11 FB 00 54 01 23 7F 00 55 01 23 7F 80
        5C 00 78 BF 40 5D 00 78 BF 00 04 80 78 F5 0A 01
        A0 78 F5 00 93 00 7B 7F 80 94 00 7B 7F 00 8A 00
        37 DF 20 8B 00 37 DF 00 03 C0 67 00 05 FF FF 00
        00 00

Handle 0xD401, DMI type 212, 172 bytes
OEM-specific Type
    Header and Data:
        D4 AC 01 D4 70 00 71 00 03 40 59 6D 2D 00 59 FC
        02 2E 00 59 FC 00 6E 00 59 FC 01 E0 01 59 FC 03
        28 00 59 3F 00 29 00 59 3F 40 2A 00 59 3F 80 2B
        00 5A 00 00 2C 00 5B 00 00 55 00 59 F3 00 6D 00
        59 F3 04 8E 00 59 F3 08 8F 00 59 F3 00 00 00 55
        FB 04 00 00 55 FB 00 23 00 55 7F 00 22 00 55 7F
        80 F5 00 58 BF 40 F6 00 58 BF 00 EB 00 55 FE 00
        EA 00 55 FE 01 40 01 54 EF 00 41 01 54 EF 10 ED
        00 54 F7 00 F0 00 54 F7 08 4A 01 53 DF 00 4B 01
        53 DF 20 4C 01 53 7F 00 4D 01 53 7F 80 68 01 56
        BF 00 69 01 56 BF 40 FF FF 00 00 00

Handle 0xD402, DMI type 212, 152 bytes
OEM-specific Type
    Header and Data:
        D4 98 02 D4 70 00 71 00 00 10 2D 2E 2D 01 21 FE
        01 2E 01 21 FE 00 97 00 22 FB 00 98 00 22 FB 04
        90 00 11 CF 00 91 00 11 CF 20 92 00 11 CF 10 E2
        00 27 7F 00 E3 00 27 7F 80 E4 00 27 BF 00 E5 00
        27 BF 40 D1 00 22 7F 80 D2 00 22 7F 00 45 01 22
        BF 40 44 01 22 BF 00 36 01 21 F1 06 37 01 21 F1
        02 38 01 21 F1 00 39 01 21 F1 04 2B 01 11 7F 80
        2C 01 11 7F 00 4E 01 65 CF 00 4F 01 65 CF 10 D4
        01 65 F3 00 D5 01 65 F3 04 D2 01 65 FC 00 D3 01
        65 FC 01 FF FF 00 00 00

Handle 0xD403, DMI type 212, 157 bytes
OEM-specific Type
    Header and Data:
        D4 9D 03 D4 70 00 71 00 03 40 59 6D 17 01 52 FE
        00 18 01 52 FE 01 19 01 52 FB 00 1A 01 52 FB 04
        1B 01 52 FD 00 1C 01 52 FD 02 1D 01 52 F7 00 1E
        01 52 F7 08 1F 01 52 EF 00 20 01 52 EF 10 21 01
        52 BF 00 22 01 52 BF 40 87 00 59 DF 20 88 00 59
        DF 00 E8 01 66 FD 00 E9 01 66 FD 02 02 02 53 BF
        00 03 02 53 BF 40 04 02 53 EF 00 05 02 53 EF 10
        06 02 66 DF 00 07 02 66 DF 20 08 02 66 EF 00 09
        02 66 EF 10 17 02 66 F7 00 18 02 66 F7 08 44 02
        52 BF 40 45 02 52 BF 00 FF FF 00 00 00

Handle 0xD800, DMI type 126, 9 bytes
Inactive

Handle 0xDD00, DMI type 221, 19 bytes
OEM-specific Type
    Header and Data:
        DD 13 00 DD 00 01 00 00 00 10 F5 00 00 00 00 00
        00 00 00

Handle 0xDD01, DMI type 221, 19 bytes
OEM-specific Type
    Header and Data:
        DD 13 01 DD 00 01 00 00 00 11 F5 00 00 00 00 00
        00 00 00

Handle 0xDD02, DMI type 221, 19 bytes
OEM-specific Type
    Header and Data:
        DD 13 02 DD 00 01 00 00 00 12 F5 00 00 00 00 00
        00 00 00

Handle 0xDE00, DMI type 222, 16 bytes
OEM-specific Type
    Header and Data:
        DE 10 00 DE C1 0B 00 00 10 05 19 21 01 00 00 01

Handle 0x7F00, DMI type 127, 4 bytes
End Of Table

Hdparm also does not tell me the max data transfer rate (disk speed) of my current drive although this link : www.wdc.com/en/library/sata/2879-001146.pdf  says that it is 3.0Gb/s
and here's hdparm -I /dev/sda

/dev/sda:

ATA device, with non-removable media
    Model Number:       WDC WD800JD-75JNC0
    Firmware Revision:  06.01C06
Standards:
    Supported: 6 5 4 
    Likely used: 8
Configuration:
    Logical        max    current
    cylinders    16383    16383
    heads        16    16
    sectors/track    63    63
    --
    CHS current addressable sectors:   16514064
    LBA    user addressable sectors:  156250000
    Logical/Physical Sector size:           512 bytes
    device size with M = 1024*1024:       76293 MBytes
    device size with M = 1000*1000:       80000 MBytes (80 GB)
    cache/buffer size  = 8192 KBytes
Capabilities:
    LBA, IORDY(can be disabled)
    Standby timer values: spec'd by Standard, with device specific minimum
    R/W multiple sector transfer: Max = 16    Current = 8
    Recommended acoustic management value: 128, current value: 254
    DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 
         Cycle time: min=120ns recommended=120ns
    PIO: pio0 pio1 pio2 pio3 pio4 
         Cycle time: no flow control=120ns  IORDY flow control=120ns
Commands/features:
    Enabled    Supported:
       *    SMART feature set
            Security Mode feature set
       *    Power Management feature set
       *    Write cache
       *    Look-ahead
       *    Host Protected Area feature set
       *    WRITE_BUFFER command
       *    READ_BUFFER command
       *    DOWNLOAD_MICROCODE
            SET_MAX security extension
            Automatic Acoustic Management feature set
       *    Device Configuration Overlay feature set
       *    Mandatory FLUSH_CACHE
       *    SMART error logging
       *    SMART self-test
       *    Gen1 signaling speed (1.5Gb/s)
       *    Host-initiated interface power management
       *    SMART Command Transport (SCT) feature set
       *    SCT Long Sector Access (AC1)
       *    SCT LBA Segment Access (AC2)
       *    SCT Error Recovery Control (AC3)
       *    SCT Features Control (AC4)
       *    SCT Data Tables (AC5)
Security: 
    Master password revision code = 65534
        supported
    not    enabled
    not    locked
        frozen
    not    expired: security count
    not    supported: enhanced erase
Checksum: correct

Last edited by Inxsible (2011-03-27 04:40:49)

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Offline

#2 2011-03-23 23:47:48

JokerBoy
Member
From: România
Registered: 2009-09-24
Posts: 641

Re: How to find the max data transfer rate(disk speed) supported by mobo?

Inxsible wrote:

Hdparm also does not tell me the max data transfer rate (disk speed) of my current drive although this link : www.wdc.com/en/library/sata/2879-001146.pdf  says that it is 3.0Gb/s

3Gb/s stands for SATA-II.

Arch64/DWM || My Dropbox referral link

Offline

#3 2011-03-23 23:49:25

Inxsible
Forum Fellow
From: Chicago
Registered: 2008-06-09
Posts: 9,183

Re: How to find the max data transfer rate(disk speed) supported by mobo?

yes but why doesn't hdparm tell me that? or am I not reading something right?

Also, the main thing is to find out if my mobo supports 3.0Gb/s or 6.0Gb/s

alright :

╔═[19:29]═[inxs @ wolfdale]
╚═══===═══[~]>> sudo hdparm -tT /dev/sda
Password: 

/dev/sda:
 Timing cached reads:   11846 MB in  2.00 seconds = 5930.10 MB/sec
 Timing buffered disk reads: 170 MB in  3.02 seconds =  56.21 MB/sec

Is that 6.0Gb/s?

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There's no such thing as a stupid question, but there sure are a lot of inquisitive idiots !

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#4 2011-03-23 23:51:25

JokerBoy
Member
From: România
Registered: 2009-09-24
Posts: 641

Re: How to find the max data transfer rate(disk speed) supported by mobo?

http://gdgt.com/dell/optiplex/755/specs/

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#5 2011-03-23 23:53:46

Inxsible
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From: Chicago
Registered: 2008-06-09
Posts: 9,183

Re: How to find the max data transfer rate(disk speed) supported by mobo?

I did it 3 times 

╔═[19:52]═[inxs @ wolfdale]
╚═══===═══[~]>> echo "for i in 1 2 3; do hdparm -tT /dev/sda; done" > test


╔═[19:52]═[inxs @ wolfdale]
╚═══===═══[~]>> sudo sh test

/dev/sda:
 Timing cached reads:   13234 MB in  2.00 seconds = 6626.48 MB/sec
 Timing buffered disk reads: 170 MB in  3.02 seconds =  56.23 MB/sec

/dev/sda:
 Timing cached reads:   13226 MB in  2.00 seconds = 6622.00 MB/sec
 Timing buffered disk reads: 170 MB in  3.01 seconds =  56.49 MB/sec

/dev/sda:
 Timing cached reads:   13104 MB in  2.00 seconds = 6560.91 MB/sec
 Timing buffered disk reads: 170 MB in  3.00 seconds =  56.60 MB/sec

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#6 2011-03-23 23:57:11

Inxsible
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From: Chicago
Registered: 2008-06-09
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Re: How to find the max data transfer rate(disk speed) supported by mobo?

Thanks JokeyBoy, but that only tells me about the drive that comes along with the system, but not what the motherboard can support.

I found a bunch of links selling that mobo, but none of them specify the specs sad

Frankly if my mobo can support 6.0Gb/s, then I might as well buy that since the price difference is only $10.

In any case, I know that it does support 3.0Gb/s, so I will just buy a hdd with that spec in mind and be done with it.

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#7 2011-03-24 00:16:50

JokerBoy
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From: România
Registered: 2009-09-24
Posts: 641

Re: How to find the max data transfer rate(disk speed) supported by mobo?

hmm, dell 0PU052.. i think it's too old to have SATA-III support.. 775 CPU, DDR2. it's a few years old.

don't forget to look for NCQ also while buying a new HDD. smile

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#8 2011-03-24 00:19:47

Inxsible
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From: Chicago
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Re: How to find the max data transfer rate(disk speed) supported by mobo?

yes its a few years old, but the mobo is Dell specific - afaik.

I am not too sure about NCQ though.Some say its not worth it for general purpose usage.

http://www.techimo.com/forum/storage-re … q-not.html

How would I find out if the drive supports NCQ or not, newegg info lists it on some but not on others. Would there be a way to disable NCQ if I wanted to on a supported drive?

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#9 2011-03-24 00:42:40

JokerBoy
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From: România
Registered: 2009-09-24
Posts: 641

Re: How to find the max data transfer rate(disk speed) supported by mobo?

hdparm -I /dev/sdb

/dev/sdb:
....
           *    Native Command Queueing (NCQ)
....

disabled
# cat /sys/block/sda/device/queue_depth
1

enabled
# cat /sys/block/sdb/device/queue_depth
31

i think "echo 1 > /sys/block/sdb/device/queue_depth" should work. PS: i didn't tested this.

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#10 2011-03-24 00:46:33

anonymous_user
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Registered: 2009-08-28
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Re: How to find the max data transfer rate(disk speed) supported by mobo?

That thread is from 2007 so I would take with a grain of salt in regards to NCQ.

From googling on howto disable NCQ, it seems you have to change the disk from AHCI mode to IDE mode and then reinstall the OS.

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#11 2011-03-24 00:51:31

JokerBoy
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From: România
Registered: 2009-09-24
Posts: 641

Re: How to find the max data transfer rate(disk speed) supported by mobo?

anonymous_user - reinstall the OS? OS = Windows I think 'cause I can switch AHCI > IDE > AHCI without reinstalling Arch big_smile

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#12 2011-03-24 01:09:18

anonymous_user
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Registered: 2009-08-28
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Re: How to find the max data transfer rate(disk speed) supported by mobo?

Yeah Windows. I wasn't sure if it would also affect Linux.

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#13 2011-03-24 02:47:30

Inxsible
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From: Chicago
Registered: 2008-06-09
Posts: 9,183

Re: How to find the max data transfer rate(disk speed) supported by mobo?

Hmm... I will buy the drive tonight or maybe tomorrow and see how it performs with NCQ. For general use I don't think the performance would matter much, but just as a test, I might see if there is significant difference.

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#14 2011-03-24 08:52:20

Fruity
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Registered: 2009-12-16
Posts: 198

Re: How to find the max data transfer rate(disk speed) supported by mobo?

sata 2 and sata 3 are backwards compatible, so a sata 3 drive will work quite happily on a sata 2 mobo,

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#15 2011-03-24 09:02:28

OdinEidolon
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From: Belluno - Italy
Registered: 2011-01-31
Posts: 498

Re: How to find the max data transfer rate(disk speed) supported by mobo?

that mobo is too old to have sata3, period.

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#16 2011-03-25 07:02:58

Kirurgs
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Registered: 2008-10-20
Posts: 144

Re: How to find the max data transfer rate(disk speed) supported by mobo?

JokerBoy wrote:

anonymous_user - reinstall the OS? OS = Windows I think 'cause I can switch AHCI > IDE > AHCI without reinstalling Arch big_smile

Well, it's not that easy (well it is easy), but still... If you are using standard ARCH kernel, kernel installation autodetects the hardware you're running and compiles certain stuff into kernel. If you switch from IDE -> AHCI, OS might not boot at all (I had it), but I'm not sure about AHCI -> IDE...
If OS won't boot, try fallback image and then run mkinitcpio again, it should work...

Last edited by Kirurgs (2011-03-25 07:03:52)

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#17 2011-03-25 14:43:48

Inxsible
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From: Chicago
Registered: 2008-06-09
Posts: 9,183

Re: How to find the max data transfer rate(disk speed) supported by mobo?

I just checked my BIOS and my current setting is set at IDE although it also mentions that the default should be AHCI. Currently I have a dual boot of Windows 7 (need it for Tax software) and Arch

So I guess, when I get the new HDD, I will first set it to AHCI and then install the OSes on it. See if NCQ helps any, and if not I will turn it back and re-install (if I have to). I am planning to have Windows only in virtualbox in the new drive.

Anyhoo, while I was in the BIOS I found two things which I had questions about :
1) Under Onboard Devices --> Integrated NIC , my setting is currently set at "On w/PXE" and it says the default should be just "On". Would it be ok to change it back to On since its a single machine and its not booting an OS on any server. I just don't want to have to re-install anything now since I will be doing that in the new HDD.
2) How would I know whether my BIOS would support a 64 bit OS in Virtualbox? I checked some setting under Virtualization, but they weren't very clear.

I will edit this post and let you know exactly what settings were present under the Virtualization sub-section.

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#18 2011-03-25 15:19:40

anonymous_user
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Registered: 2009-08-28
Posts: 3,059

Re: How to find the max data transfer rate(disk speed) supported by mobo?

Inxsible wrote:

2) How would I know whether my BIOS would support a 64 bit OS in Virtualbox? I checked some setting under Virtualization, but they weren't very clear.

Doesn't the host OS need to be 64-bit to use a 64-bit guest OS?

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#19 2011-03-25 15:25:56

Inxsible
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From: Chicago
Registered: 2008-06-09
Posts: 9,183

Re: How to find the max data transfer rate(disk speed) supported by mobo?

yes, mine is !

but you also have to enable a 64 bit VT mode i believe, to enable 64bit guests.

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#20 2011-03-25 15:30:38

anonymous_user
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Registered: 2009-08-28
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Re: How to find the max data transfer rate(disk speed) supported by mobo?

If you're talking about the Intel VT-x, it depends on your processor iirc. Which processor do you have?

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#21 2011-03-25 15:32:02

Inxsible
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From: Chicago
Registered: 2008-06-09
Posts: 9,183

Re: How to find the max data transfer rate(disk speed) supported by mobo?

Intel E8200

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#22 2011-03-25 15:33:39

anonymous_user
Member
Registered: 2009-08-28
Posts: 3,059

Re: How to find the max data transfer rate(disk speed) supported by mobo?

Looks like it does support VT-x:

http://ark.intel.com/Product.aspx?id=33909

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#23 2011-03-25 15:36:40

Inxsible
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From: Chicago
Registered: 2008-06-09
Posts: 9,183

Re: How to find the max data transfer rate(disk speed) supported by mobo?

yup...I guess each BIOS is different.

Maybe when I paste the settings that I have in BIOS later tonight, you would be able to tell me which setting do I have to turn on...

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#24 2011-03-25 15:41:32

anonymous_user
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Registered: 2009-08-28
Posts: 3,059

Re: How to find the max data transfer rate(disk speed) supported by mobo?

BTW do you have reason to believe that VT-x is not already enabled?

In the VirtualBox settings, you just have to go to the section for CPU and there should be a checkbox to enable/disable VT-x.

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#25 2011-03-25 16:28:27

Inxsible
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From: Chicago
Registered: 2008-06-09
Posts: 9,183

Re: How to find the max data transfer rate(disk speed) supported by mobo?

I must have missed that...AFAIR i didn't see it. I'll check again tonight.

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