I just got 2 x 1gb pc3200 400mhz ddr dimm to go onto my p4m-800t motherboard.i have 2 x 512mb pc2700 333mhz already,so i change the two 1gb for the two 512mb but the system only said there was 1 gb,i rebooted the system then it wouldn`t boot up and a bleeping started for the tower.i switched off them put back in the two 512mb and every thing is back to normal.i have no idea
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Re: upgrade to ram
Hi if you goto www.crucial.com this will then scan your system and tell you exactly what you can and cant have give it a try you will find out everything you need to know. Let me know if you get onto the site ok but i have had no problems
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That motherboard was made for PC2100 DDR266. A PC3200 DIMM *SHOULD* be backward compatible. Depending on the density of the PC3200 memory you might have problems. If you have not bought the memory yet I would go with the PC2100 for sure since the PC3200 will give you no speed gains at all and will be running at PC2100 speeds anyway.
If you already have the PC3200 memory then I would say just give it a shot. The worse case scenario is your machine will not boot up with the higher speed ram installed. Assuming you take all the normal hardware upgrade care and do not physically break anything you can test this memory with no harm to your motherboard.
1.6 System Memory
The Desktop Boards provide the following memory features:
• Two DIMM sockets supporting one of the following10:
2.5 V (only) 184-pin 200/266 MHz Double Data Rate (DDR) SDRAM DIMMs with goldplated
3.3 V (only) 168-pin 133 MHz Single Data Rate (SDR) SDRAM DIMMs with gold-plated
• 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
Yes that should not be a problem as DDR is backward compatible with the slower speeds so the faster RAM, will just slow down to match. These are the only conditions listed so as long as the stick you have doesn't fall under this criteria you should be good.
he D845GLVA board provide the following memory features:
2.5 V (only) 184-pin DDR SDRAM DIMMs with gold-plated contacts
Unbuffered single-sided or double-sided DIMMs
Maximum total system memory: 2 GB; minimum total system memory: 64 MB
DDR266/200 MHz SDRAM DIMMs only
Serial Presence Detect (SPD)
CAUTION: Do not use ECC DIMMs with this board. Using ECC DIMMs could damage the board. Integrator's Notes:
Registered DIMMs are not supported.
Double-sided x16 DIMMs are not supported.
a full-length PCI add-in card is installed in PCI bus connector 1 (the
PCI bus connector closest to the processor), remove the add-in card
before installing or upgrading memory to avoid interference with the
memory retention mechanism.
This board has been designed to support DIMMs based
on 512 Mbit technology for a maximum onboard capacity of up to 2 GB,
but this technology has not been validated (currently validated up to
1.0 GB) on this board.
be fully compliant with all applicable DDR SDRAM memory specifications,
the board should be populated with DIMMs that support the Serial
Presence Detect (SPD) data structure. This allows the BIOS to read the
SPD data and program the chipset to accurately configure memory
settings for optimum performance.
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.
you can upgrade to a max of 2gb on that board. These are your 1gb options: 1GB PC2700 333MHz DDR Memory, 1GB PC2100 266MHz DDR Memory, and 1GB PC3200 400MHz Non-ECC Unbuffered 184-pin DDR DIMM Memory. Install a set of any of these and your off and running.