System just shut down and will not power up. AsusP5VD2-VM-SE, w/intel D 925 processor, komusa (1gbx2) 2gb ddr 2 dimms, chiefmax 650w atx power supply, three case fans. After removing power fans start to run but do not come up. System was running with not programs just desktop shown when it just shut down. System has been running for approx three days it is a new build in an old case.
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Re: System will not power on
Remove all hard drives,cdroms, floppys ect. then try powering on if it still doesn't come up remove all cards from there slots then try powering up if stall doesn't remove ram, still doesn't try new power supply if still doesn't try new motherboard.
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From the Intel spec sheet 4GB is supported:
The boards have four DIMM sockets and support the following memory features:
• 2.5 V (only) DDR SDRAM DIMMs with gold-plated contacts
• Unbuffered, single-sided or double-sided DIMMs with the following restriction:
Double-sided DIMMS with x16 organization are not supported.
• 4 GB maximum total system memory. Refer to Section 2.2.1 on page 55 for information on the
total amount of addressable memory.
• Minimum total system memory: 128 MB
• Non-ECC DIMMs
• Serial Presence Detect
• DDR 400 MHz and DDR 333 MHz SDRAM DIMMs
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it is the problem your computer operating system or motherboard bios setup problem . You restart your pc after restart then press dell key then prevew your bios setup option then choice bios defalt setup then press F10 press Y restart your pc .
It is absolutely normal if the processors speed and multiplier fluctuates. It doesn't mean that the processor is damaged. This technology is called Intel Speedstep. When your processor is not used on 100% it reduces its speed, so the power consumption decreases. When you need more power, the processor will automatically clock itself to higher speed.
You can use only DDR 266Mhz dimms maximum upto 2 GB. i.e. one DIMMS of 266Mhz of 2GB or two of 1GB each. For more details read bellow:
System Memory Features
The D845GBV board provide the following memory features:
Two DIMM sockets supporting 2.5 V (only) 184-pin 200/266 MHz Double Data Rate (DDR) SDRAM DIMMs with gold-plated contacts Unbuffered non-ECC DIMMs only Maximum total system memory: 2 GB; minimum total system memory: 64 MB Serial Presence Detect (SPD) DIMMs only Suspend to RAM
CAUTION: Do not use ECC DIMMs with the D845GBV board. Using ECC DIMMs could damage the Desktop Board.
No. DDR replaced the SD in RAM so SDRAM and DDR RAM are two completely different things but each ram type has its own frequency hence you get SDRAM 100(mhz) and SDRAM 133(Mhz) just like you get DDR 1 RAM at 266(mhz) and 400(mhz) and DDR 2 RAM at 533(mhz) and 800(mhz). Therefore as you can see how these things differ, but if your mboard takes SDRAM that it can take and frequency of SDRAM but you must ensure that all the frequencies of all your RAM modules in all your slots correspond otherwise you will have problems, meaning that if you decide to use 133mhz RAM then all your RAM modules that you use must be the same. Let me know how you go. thanks