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How Important Is Buffered Ram?

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I purchased a comp a while back from a company for fairly cheap, and of course I got a few cheap components. Anyway, I wanna see how much difference it makes using two Modules, instead of one to utilize my DDR memory. I ran Sisoft Sanra, and it's telling me that for ram 512mb or higher, it should be Registered/buffered, and be ECC/Parity, because what I have now isn't. I'm just wondering, if I buy more ram, should I try to sell what I have, and go for 2X256, or just buy another 512 with the above mentioned stats? Thanks for your help.



System Mainboard

Manufacturer : Gigabyte Technology Co., Ltd.

MP Support : 1 CPU(s)

MPS Version : 1.40

Model : GA-7VA

BIOS ID : 01/14/2003-KT400-8235-6A6LYG0CC-00


System Memory Controller

Location : Mainboard

Error Correction Capability : None

Number of Memory Slots : 3

Maximum Installable Memory : 768MB

Bank0/1 - A0 : None None None None DIMM 512MB

Bank2/3 - A1 : Empty

Bank4/5 - A2 : Empty


System Chipset

Model : Giga-Byte Technology VT8377 Apollo KT400 CPU to PCI Bridge

Bus(es) : ISA AGP PCI IMB USB SMBus/i2c

Front Side Bus Speed : 2x 143MHz (286MHz data rate)

Max FSB Speed / Max Memory Speed : 2x 166MHz / 2x 200MHz

In Order Queue Depth : 4 req(s)


Chipset Hub Interface

Type : V-Link

Width : 8-bit

Full Duplex : Yes

Multiplier : 1x

Speed : 8x 72MHz (576MHz data rate)

Down / Up In Order Queue Depth : 9 / 9 req(s)



Version : 0.03

Speed : 18MHz

Multiplier : 1/2x

Max Interrupts : 24

IRQ Handler Engaged : Yes

Enhanced Support : No


Logical/Chipset Memory Banks

Bank 0 Setting : 256MB DDR-SDRAM 8-1-1-1R 4-1-1-1W 3.0-3-3CL 2CMD

Bank 1 Setting : 256MB DDR-SDRAM 8-1-1-1R 4-1-1-1W 3.0-3-3CL 2CMD

Bank Interleave : 4-way

Speed : 2x 143MHz (286MHz data rate)

Multiplier : 1x

Power Down Mode : No

Fixed Hole Present : No


Memory Module(s)

Memory Module 1 : Xerox 512MB 16x(32Mx8) DDR-SDRAM PC3200U-344-650 (CL3 upto 200MHz)


Environment Monitor 1

Model : ITE IT8705/12 ISA

Mainboard Specific Support : No


Environment Monitor 2

Model : NS LM83

Version : 2.01

Mainboard Specific Support : No


Temperature Sensor(s)

Board Temperature : 29.0

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okay, fairly simple. 512mb dimms come both ways, 1 and 2 gb dimms ONLY come buffered. they're generally for servers and high end workstations (reason the opteron REQUIRES IT). So if you're gonna run 1gb or larger dimms you don't have a choice...

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