Question about Gigabyte GA-8I945P-G Motherboard

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Incorrect Memory Count

Hie , im using the 8i945P-G mobo and just recieved 4 (!) G.skill pc2-6400 1024 sticks ... wich is good so far. thwn i installed the first 3 the bios identifies them correctly and shows 3072MB of ram when i add the forth stick it increases the ram to 3400 ... i'v tried to change places of the sticks, use diferent combination and even tried it with a 3*1024 +1*512 ... still the bios says that i got 3400. the funny thing is that windows (xp64) shows 3250MB YET CPUz shows all the 4G correctly i'v updated the bios to it's latest (F11) version and still nothing *** i know that the Mobo supports ram up to 667Mhz and those are 800Mhz sticks *** but it suppose only to alow them down (and its realy good 4 OC coz the *** Mem runs @ it's natural speed when i'm using 250 FSB ([email protected] Mhz) any idea what may cause this messup ???

Posted by Eli Revzin on


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andrew pester

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Due to standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount. __For example, 4 GB of memory size will instead be shown as 3.xxGB memory during system startup.____To use a DDRII 667 memory module on the motherboard, you must install an 800/1066MHz FSB processor.____Please also refer to the image below

Posted on Jun 14, 2007

  • andrew pester
    andrew pester Jun 14, 2007

    if you need more info on your board, you can get the manual from here:-



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2 Answers

Mainboard: g31 m7 te - power: antec hcg750 - gpu: gtx560ti

No the mobo is compatible with the Power Supply, and GPU.
And vice-versa.

Mainboard fan???????
You mean the Processor (CPU) fan?

I'm guessing I guess, because computer case fans aren't on the motherboard/mainboard/mobo.

You're getting power to the mobo, but the question is how much?

1) IF ALL of the LED lights were on at once, they would use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts of power.

3) A typical Processor can use from 51 to 125 Watts of power.
Just depends on what Processor it is.

The mobo will support Intel Core2 Quad-Core processors. Depending on which one, you may be talking about Up To 105 Watts of power,

This is why LED's can light, and fans may spin, but the Processor isn't getting enough power, so the computer will not turn on. (Processor isn't turning on)


1) Just because that Power Supply is new, doesn't mean it is good.
Sometimes you get a bad one. Test the three main voltages coming out, with a multimeter set to DC Voltage.

Need guidance post back in a Comment.
(An economical multimeter can be purchased, for as little as $8 to $12. I have seen cheaper. Available in a multitude of stores. An auto parts store is but one example )

2) You don't have the 4-pin ATX +12 Volt power cable plugged in.
Goes to the white square 4-socket hole connector, to the left top corner of the Processor socket.
(Motherboard installed in computer case)

3) REQUIRES -> TWO 6-pin PCI-Express power cables, for the Nvidia GTX560Ti graphics card.

The Antec HCG750 PSU has 4 of them, so no problem there, IF you have two of them plugged into the graphics card.

Both connectors of the 20 + 4-pin ATX main power cable's connector, need to be used. Biostar mobo requires a 24-pin ATX main power cable.

Post back in a Comment as to power cables plugged in, and DC Voltage test on PSU.


Aug 06, 2012 | Biostar G31-M7 TE Motherboard

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Im using psp 3001 with version 5.03 PROME-4...Ads by GoogleInflatable Movie Screens www.OpenAirCinema.usSeamless, high quality screens Portable, washable, outdoor screens By richmond_sic on Mar 07,...

You should have not installed ChickHen in your PSP 3001 since there are no known ways so far, not even by Dark Alex, to fix it from "Brick"-ing. YOur attempts to remove the battery and so on to fix it is futile because even Pandora Battery and Magic Memory Stick won't work on those versions of PSP.
Try sending it to S0ny...
If you intend to buy a new PSP, either buy those Slim that is version 2000 and those that are NON (remember NON) TA088v3 MoBo. From this MoBo onward to PSP 3000s, all is unhackable and cannot be fixed from Brick.

May 31, 2011 | Sony PSP (Piano Black)

2 Answers

Does the GA-8I945P-G supports the Core2duo Processor?

No since this is a older mobo the manufactre only recomndes you use Pentium D, Pentium 4 HT, or Celeron D. many people have tried this and have had alot of problems and little success.

May 04, 2011 | Intel Gigabyte GA-8I945P-G Dual-Core CPU...

2 Answers

How much ram and at what speed will i get best performance all around onn a P4P 800M mobo ? Is running a 2.4G asus processor and has 2 256 sticks running at 44g mhz. I would like to use 1 gig sticks but...


As far as i remember that motherboard has 4 DIMM (ram) slots supporting a maximum of 4GB DDR400/333/266 memory also it has Dual Channel Memory Architecture.


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1 Answer

My lan can't create in mobo ga8i945g-p

You need to find the driver for the LAN. Here:

Remember to select you OS

Good luck.

Feb 24, 2011 | Gigabyte GA-8I945P-G Motherboard

2 Answers

I lost my motherboard driver,now what can i do?

go to goole type your model no download the driver and install it

Oct 29, 2010 | Gigabyte GA-8I945P-G Motherboard

1 Answer

Give the allowable number of wire for each conduit sized listed below. size wire 15mm(1/2) 20mm(3/4) 25mm(1 inch) No. 2.0mm(No.14 AWG) No. 3.5mm(No 12 AWG) No....

The fill would depend on the wire type because the type of insulation determines teh circular mills of the conductor here are some examples though of THHN,THWN,THWN-2 wire.
Based on NEC2008 Annex TableC.1
1/2" (16mm)conduit=12-#14THHN,9-#12THHN,5-#10THHN,3-#8THHN,2-#6THHN
3/4" (21mm) conduit=22-#14THHN,16-#12THHN,10-#10THHN,6-#8THHN,4-#6THHN
1" (27mm) conduit-=35-#14THHN,26-#12THHN,16-#10THHN,9-#8,7-#6THHN

Aug 18, 2010 | Gb Electrical 1 30 Amp Ground Fault...

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Ok i have 2 1gb corsair memory sticks and when i put them both in they wont work but when i use one it will its the slot on the mother board i think is there anyway to fix it

try the known good memory stick and try to reseat the memory stick to every slot that your mobo have. so you would know if the problem is with the mobo or the memory stick itself

Mar 29, 2010 | EliteGroup ECS 915P-A2 Intel 915P Socket...

1 Answer

Does GA-8I945P motherboard support high density memory?

You have 4 slots available. Each slot can take a 1gb non ecc memory module with the specs below.

4 DDR II DIMM memory slots (supports up to 4GB memory) 
Supports 1.8V DDR II DIMM 
Supports dual channel DDR II 667/533/400 DIMM

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