Difference between revisions of "Unofficial maximum memory specs"
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| ThinkPad {{X41}} 2528-5FU || 1.5 GB || 2.09 || 1.02 || | | ThinkPad {{X41}} 2528-5FU || 1.5 GB || 2.09 || 1.02 || | ||
* 2 GB with 1 x 2 GB (Transcend TS2GIB3847 DDR2 667 MHz) | * 2 GB with 1 x 2 GB (Transcend TS2GIB3847 DDR2 667 MHz) | ||
+ | * 2 GB with 1 x 2 GB (FRU 73P3846 DDR2 PC2-4200) | ||
BIOS claims 2.5 GB. Diagnostic POST tests only 2 GB. Linux and XP recognize 2 GB. | BIOS claims 2.5 GB. Diagnostic POST tests only 2 GB. Linux and XP recognize 2 GB. | ||
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Revision as of 19:48, 28 April 2008
Some ThinkPads are known to support more memory than their specs say. This page gathers information about those models, how much memory they can take and what special requirements that memory must fulfill.
Have a look at the Memory page for the official memory configs and partnumbers
Tested Memory configurations
The following table gives an overview of tested memory configurations that exceed the specified limits for that ThinkPad type.
ThinkPad | max. Specs | BIOS | Embedded Controller | Memory configuration successfully tested |
---|---|---|---|---|
ThinkPad A31p 2653-R |
1 GB | 1.09 | 1.05 |
|
ThinkPad T30 2366-92U |
1 GB | 2.08 | 1.06 |
but see problem with T30 not booting with 1 GiB memory module.
BIOS recognizes 2048MB, but Gentoo sees only 1024MB |
ThinkPad T43p 2668-WTB | 2 GB | 1.29 | 1.06 |
|
ThinkPad X31 2672-C2G | 1 GB | 3.02 | 1.08 |
newer documentation also states 2 GB, even original one did not |
ThinkPad X31 2673-C2G | 1 GB | 3.02 | 1.08 |
|
ThinkPad X41 2528-5FU | 1.5 GB | 2.09 | 1.02 |
BIOS claims 2.5 GB. Diagnostic POST tests only 2 GB. Linux and XP recognize 2 GB. |
X41 Tablet 1866-6HU | 1.5 GB | 2.03 | 1.02 |
BIOS claims 2.5 GB. Diagnostic POST tests only 2 GB. Linux and XP recognize 2 GB. |
ThinkPad 240 2609-40U |
320MByte | IRETWWW76 | n/a |
|
ThinkPad 240X |
256MByte | unknown | n/a |
|
ThinkPad 570 2644-3AU |
320MByte | 1.16 IMET65WW 11/11/99 | n/a |
|
ThinkPad 600 ? |
288 mb | ? | ? |
|
ThinkPad 770x 9549 |
448MByte | 1.11 IIET42WW 09/10/99 | n/a |
|