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Upgrading RAM's


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#1
spirit_SLASH

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hey there, i need to ask a question plz....
1st, here is my main circuit board (i used Belarc Advisor to know)

Board: Intel Corporation D845GLLY AAA86719-204
Serial Number: ABLY23962662
Bus Clock: 100 megahertz
BIOS: Intel Corp. LY84510A.86A.0011.P05.0206051658 06/05/2002

(http://support.intel...sktop/d845glly/)

so i have

254 Megabytes Installed Memory

Slot 'J6G1' has 128 MB
Slot 'J6G2' has 128 MB

and i want to upgrade my RAM's to 512 MB ...
i need to know if that is possible....

and could someone plz explain to me what is meant by this : (taken from intel site)

System Memory Features

The D845GLLY board provide the following memory features:

* Two DIMM sockets supporting 3.3 V (only) 168-pin 133 MHz Single Data Rate (SDR) 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 Desktop Board. Using ECC DIMMs could damage the Desktop Board.

Integrator's Notes:

* Registered DIMMs are not supported on the Desktop Board.
* This Desktop 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 on this board.


thanks for your help
~~SpiriT_SLASH~~
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#2
dsenette

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http://www.crucial.c...?model=D845GLLY

168-pin DIMM Banking: 2 (2 banks of 1)
Chipset: Intel 845GL
Error Detection Support: Non-ECC only
Supported DRAM Types: SDR SDRAM only
Max Unbuffered SDR SDRAM: 2048MB
Module Types Supported: Unbuffered only
Max Component Density: 512Mb
SDR SDRAM Frequencies: PC133
USB Support: 1.x Compliant

what this means is that you can have a maximum of 2 gig of memory...though i'm not sure how because you've got 2 slots for ram and each can only support a max of 512 each (somewhere the math don't add up)..

so basically you could get:

1 - 512 stick of NON ECC PC133 SDRAM (to make 512)
or
2 - 256 sticks of NON ECC PC133 SDRAM (to make 512)
or
2 - 512 stick of NON ECC PC133 SDRAM (to make 1 gig)
or
keep one of the 128's in there and add
1 - 512 stick of NON ECC PC133 SDRAM (to make 640)
or
get 1 256 and 1 512 sticks of NON ECC PC133 SDRAM (to make 768)


your choice as long as you stick with non ecc pc133 SDRAM
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#3
spirit_SLASH

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Thanks for your reply!
just a question...what is the difference b/w the NON ECC PC133 SDRAM and the ECC PC133 SDRAM ??
thanks alot
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#4
dsenette

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ECC deals with error corrrection...and requires a different ram controller on your board...if you put ECC ram in a NON ecc board...you have a high chance of tanking the board...same with NON ecc in an ECC motherboard...though this is less likely
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