Question about Mercury KVM800M Motherboard

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Memory can i use ddr2 for memory instead of ddr sdram ?

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Re: Memory

Sorry you can only use DDR SDRAM. Here are the specs:

2 x 184-pin DIMM sockets support two 2.5V DDR SDRAMs(DDR400/333/266)
Maximum: 2GB
Here is a link to the specs of your motherboard:

Posted on Dec 13, 2007

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Three things to consider when choosing memory

1) What is the Maximum TOTAL Amount, that the motherboard will support.

2) What is the Maximum Amount for EACH ram memory slot.

3) What type of Ram Memory is it?

A) What type is it?

Single-Data Rate SDRAM?
SDR Sdram which is erroneously just referred to as SDRAM.

Double-Data Rate SDRAM? DDR Sdram
Double-Data Rate 2 SDRAM? DDR2 Sdram
Double-Data Rate 3 SDRAM? DDR2 Sdram

(See? They are ALL ->
Synchronous Dynamic Random Access Memory)

Then you get down to the basics, that is really supposed to be known...........

B) What Frequency Rate does it operate at? ('Speed')
200MegaHertz? 266MHz? 333MHz? 400MHz? 533MHz? 667MHz?
800MHz? 1066MHz? 1333MHz?

C) What Voltage does it use?
JEDEC has set the standard for Ram Memory.
'High performance' ram memory may use higher voltage.

DDR Sdram
JEDEC has set the voltage standard for DDR Sdram at 2.5 Volts (DC)
That is what the factory has set as a default voltage, in BIOS Setup.
High performance ram memory? May be 2.6 volts, or 2.7 volts.

D) Ram Timings;
Shorter to explain this way,

E) Whether or not ECC or Non-ECC is to be used,

ECC ram memory is generally used in a Server computer.
The data (Information) is analyzed 2 to 3 times, before it goes through.

F) Buffered or Unbuffered ram memory:

G) Chip Configuration:

The black rectangle chips on the side/s of the ram memory module ('Stick'), are called DRAM chips.

They are arranged in an order, and connected via circuitry, to be accessed as the ram memory manufacturer has deemed.

This you shouldn't have to worry about.
In fact you can probably get away without knowing D) also.

What test is this for?

Post back in a Comment


Apr 17, 2013 | Motherboards

1 Answer

What is the max size of ddr400 memory you can fit into ddr1 & ddr2 dimm slots on a p4vm8 mother board

1) Total maximum amount for motherboard is 2GB.

2) There are 2 Ram Memory slots.

3) Maximum amount for EACH ram memory slot is 1GB.

Either DDR Sdram at 266MegaHertz, or 333MHz, or 400MHz.
PC2100, PC2700, and PC3200, respectively.

There is no DDR1 and DDR2 slots, in a manner of speaking.

May be marked on your motherboard that way, but stating it that way on a computer product support website = No.

You're going to make someone think, you don't know what you are talking about.

They may think you are referring to DDR Sdram, and DDR2 Sdram, and they know the motherboard only uses DDR Sdram ram memory.

Suggest state Slot 1 and Slot 2; or DIMM 1 and DIMM 2.

For additional questions please post in a Comment.


Mar 18, 2013 | VIA ASRock P4VM8 P4(S478)/...

1 Answer

I have a p4i45g MB with a p4 Processor. Do i use

- Max. capacity of system memory: 2GB DDR or 2GB SDRAM
- DDR x 2, DDR 266/200 non-ECC, un-buffered memory
- SDRAM x 2, PC133/100 non-ECC, un-buffered memory

use DDR1

Jul 14, 2009 | Motherboards

1 Answer

Max RAM for Intel 102 GGC motherboard

Thanks to Intel website The board has two 240-pin DIMM sockets and supports the following memory features: * 1.8 V (only) DDR2 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. * 2 GB maximum total system memory * Minimum total system memory: 128 MB * Non-ECC DIMMs * Serial Presence Detect * DDR2 533 or DDR2 400 SDRAM DIMMs Note To 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. If non-SPD memory is installed, the BIOS will attempt to correctly configure the memory settings, but performance and reliability may be impacted or the DIMMs may not function under the determined frequency.

Jun 16, 2009 | Intel D845EPI (INTELKD845EPILPAK10)...

1 Answer

Abt ram

boxbullet_gray.gif Two DDR SDRAM Dual Inline Memory Module (DIMM) sockets boxbullet_gray.gif Support for DDR 400 MHz and DDR 333 MHz DIMMs boxbullet_gray.gif Support for up to 2 GB of system memory

Support for DDR2 533MHz and DDR2 400MHz DIMMs
Support for up to 2GB of system memory

Mar 10, 2009 | Intel D101GGC Motherboard

1 Answer

Ram card

Hi giovanni2,
Sorry but you're board does not support DDR2 memory.
Only 2 x 184-pin DIMM sockets support two 2.5V DDR SDRAMs (DDR400/333/266). There are two PC Chips M871G.
One is M871G (V1.5) & the other is M871G (V3.1). Neither support DDR2 memory. DDR2 memory used DIMM slots with 240-pin. The memory slots on you're board uses 184-pin. The board will not function with 240-pin memory.

PC Chips M871G (V1.5) link.
PC Chips M871G (V3.1) link.

If I can help you further, feel free to post.
Suggestions & comments welcomed.

May 22, 2008 | PC Chips M871G Motherboard

1 Answer

Ddr and ddr dimm

To answer you there is no difference

DIMM= Dual In Line Memory Modual 64 bit transfer
Dimms replaced Simms when pentium ll came out.

DDR= Double Data Rate
Newer memory modules are DDR2 or DDR3
Older systems are DDR or SDRAM


Apr 17, 2008 | Motherboards

2 Answers

Graphics card upgrade

Not compatable at all.
DDR SDRAM memory uses 184 Pin Dimms
Double-Data-Rate Synchronous Dynamic Random Access Memory, better known as DDR SDRAM or DDR RAM for short, is a type of very fast computer memory. DDR RAM is based on the same architecture as SDRAM, but utilizes the clock signal differently to transfer twice the data in the same amount of time.

DDR2 SDRAM uses 240 Pin Dimms.
DDR2 SDRAM improves on DDR SDRAM by using differential signaling and lower voltages to support significant performance advantages over DDR SDRAM.

If your question has to do with buying a video card that is going to use DDR2 ram, that would be a faster graphics card. You can also get video cards with DDR3 ram which again is even faster.
Oddly enough in respect to system memory DDR2 is supposed to be faster than DDR yet the DDR memory cost more than the DDR2. Go figure.
Click the link for video cards.

Need help with anything, feel free & ask.
Have a great weekend!

Mar 21, 2008 | Foxconn P4M800P7MA-RS2 Motherboard

3 Answers

ECS M925 1.0 sdramm to ddr memory

The normal DDR Ram is supported..It doesn't support DDR2..

Nov 03, 2007 | PC Chips (M925G) Motherboard

1 Answer

Ddr ram for my motherboard

PC2100 is DDR266 memory. PC2700 is DDR333 memory. PC3200 is DDR400 memory All are backward-compatible with PC2100. Memory is designed to be backwards compatible, so generally you can safely add faster memory to a computer designed to run slower memory, but... your system will operate at the speed of the slowest memory module or system component. Keep in mind that the memory does need to be the same type, for example, SDRAM cannot be mixed with DDR, and DDR cannot be mixed with DDR2. ZT3000 "Beta tester of "0"s and "1's"

Aug 25, 2007 | EliteGroup P4VMM2 Motherboard

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