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#1 2009-09-02 23:08:02

graysky
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Zotac IONITX mother board... memory and sensors

I just assembled a new PC based on a Zotac IONITX A-U motherboard (Intel Atom 330 based processor with onbaord nvidia 9400).  Anyway, I have 2x2 gigs on the board, but the BIOS and memtest86+ are both only seeing 3300 MB of it.  I'm wondering if I got some bad memory or a messed up board, etc.

If anyone reading this also has this MB with 2x2 on it, can you reboot and hit 'del' to enter the BIOS and tell me what you see for your installed memory?  All 4 gigs or..?

Last edited by graysky (2010-06-05 19:06:20)


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#2 2009-09-03 00:16:07

graysky
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Re: Zotac IONITX mother board... memory and sensors

Seems as though this is normal... the ION platform reserves 512MB of addressable memory addresses.


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#3 2009-09-05 22:48:49

antis
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From: sweden
Registered: 2007-05-18
Posts: 108

Re: Zotac IONITX mother board... memory and sensors

The memory you are "missing" is probably reserved for the shared graphics chip on the mother board.
I don't want to reboot right now but...
I have set my graphics chip in BIOS  to take 512Mb of memory. If I issue "free" in the console it shows that I have a total of 3114638 Mb physical memory installed. Like you I have 2x2Gb installed.

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#4 2009-09-05 23:18:15

graysky
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Re: Zotac IONITX mother board... memory and sensors

@antis - right you are!  Shared mem.... can you view your CPU temp via lm-sensors by the way?


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#5 2009-09-06 07:38:34

antis
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From: sweden
Registered: 2007-05-18
Posts: 108

Re: Zotac IONITX mother board... memory and sensors

I tried lm-sensors when I installed everything about a month ago but it didn't find any chips at all to work with. For this to work I guess we'll have to wait for the sensors team to include them in a future update.

It sure would be nice to have the ability to monitor the temp and fan speed. I bought the single core version in the hope that I'd be able to run it completely fanless but that didn't turn out to work that well. It ran waaaay to hot in my small case so I installed the cpu fan and put a resitance on it to lower the speed. It still is a little bit too hot, but it works, and it's pretty quiet smile

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#6 2009-09-06 08:48:30

graysky
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Re: Zotac IONITX mother board... memory and sensors

If you want to try lm-sensors: http://bbs.archlinux.org/viewtopic.php?id=79403


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#7 2010-06-05 18:07:38

graysky
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Re: Zotac IONITX mother board... memory and sensors

Update for those wondering about this board - temps are working out-of-the-box with 2.6.33:

You do need both the coretemp and lm90 modules.

# sensors
coretemp-isa-0000
Adapter: ISA adapter
Core 0:      +42.0°C  (crit = +110.0°C)                  

coretemp-isa-0001
Adapter: ISA adapter
Core 1:      +40.0°C  (crit = +110.0°C)                  

w83l771-i2c-0-4c
Adapter: SMBus nForce2 adapter at 4d00
MB/ Temp:       +28.0°C  (low  = -40.0°C, high = +70.0°C)  
                      (crit = +85.0°C, hyst = +75.0°C)  
CPU Temp:       +39.9°C  (low  = -40.0°C, high = +70.0°C)  
                      (crit = +110.0°C, hyst = +100.0°C)

You'll need to edit /etc/sensors3.conf and add the following:

# ZOTAC IONITX-A-U Atom 330 1.6GHz Dual-Core 441 NVIDIA ION
# needs both coretemp and lm90 modules

chip "coretemp-isa-0000"
label temp1 "Core0"
compute temp1 @+20,@-20

chip "coretemp-isa-0001"
label temp1 "Core1"
compute temp1 @+20,@-20

chip "w83l771-*"
label temp1 "M/B Temp"
label temp2 "CPU Temp"

The BIOS reports two fan speeds (CPU and MB) but I am not seeing either reported here.

Last edited by graysky (2010-10-31 20:15:14)


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