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DDR Ram Problems.


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#1
Elvedin

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AMD Sempron 2600+ CPU,1 Gig DDR Ram 400Mhz,Ati 9600 Radeon 128 MB Agp 8X,
Abit KV7 MotherBoard,120Gig HD running Windows xp pro.

1.When my computer boots it says DDR266 mhz why 266 when i have 400Mhz ?
I change it once and Pc could not boot so i had to reset the bios i dont want to try this again any professionals that can help me out ?
:tazz:
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#2
Retired Tech

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You could download Everest Home edition, click + next to Motherboard then click SPD to look at memory speed to see how your system recognises the memory

http://www.lavalys.c...p?pid=1&lang=en

Edited by Keith, 22 July 2005 - 07:27 PM.

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#3
Elvedin

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Thanks for reply.
It says
Total 1022 MB
Used 272 MB
Free 750 MB
Utilization 27 %
When the PC boots it says DDR Ram Running at 266Mhz is there a way to change this to 400Mhz or is it possible to change it?
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#4
Retired Tech

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I was wondering what Everest says about the speed, it should be 7 down in the SPD list
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#5
Elvedin

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Here is what i got.
Device Description
DIMM1: Elpida EBD52UC8AMFA-5B
DIMM2: Smart Modular SM5646485D8N6CHIBH

Memory Module Properties
Module Name Elpida EBD52UC8AMFA-5B
Serial Number 3EECE4A6h
Manufacture Date Week 4 / 2046
Module Size 512 MB (2 rows, 4 banks)
Module Type Unbuffered
Memory Type DDR SDRAM
Memory Speed PC3200 (200 MHz)
Module Width 64 bit
Module Voltage SSTL 2.5
Error Detection Method None
Refresh Rate Reduced (7.8 us), Self-Refresh

Memory Timings
@ 200 MHz 3.0-3-3-8 (CL-RCD-RP-RAS)
@ 166 MHz 2.5-3-3-7 (CL-RCD-RP-RAS)
@ 133 MHz 2.0-2-2-6 (CL-RCD-RP-RAS)

Memory Module Features
Early RAS# Precharge Not Supported
Auto-Precharge Not Supported
Precharge All Not Supported
Write1/Read Burst Not Supported
Buffered Address/Control Inputs Not Supported
Registered Address/Control Inputs Not Supported
On-Card PLL (Clock) Not Supported
Buffered DQMB Inputs Not Supported
Registered DQMB Inputs Not Supported
Differential Clock Input Supported
Redundant Row Address Not Supported

Memory Module Manufacturer
Company Name Elpida Memory, Inc.
Product Information http://www.elpida.com/en/products/

Edited by Elvedin, 22 July 2005 - 08:18 PM.

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#6
Doby

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Hi Elvedin,

I am very familar with your board, go into bios and set the ram clock to 200 mhz, this will make the ram run at its rated speed of 400mhz.

Your cpu is a 333mhz so if stability problems occur wicth sometimes but not always happen when running the cpu and ram out of sync then set the ram clock at 166mhz this will run the ram and cpu at 333mhz.

I have that board with a 2500 xp barton and run my ram at 200/400 mhz no problem but some others report that compination results in stability problems so you have to try it and see. If you have any problems just reset the cmos by the jumper on the mobo that will load the bios defaults and get you running again.

Rick
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