Re: A 2640-10U Hard Drive and memory questions

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From: Paul Khoury (pkhoury_at_loop.com)
Date: Sun Apr 08 2001 - 15:24:46 EDT


On Sun, 8 Apr 2001 14:18:43 -0500 (CDT), mtr+thinkpad_at_milestonerdl.com wrote:

>I have just gotten my hands on a Thinkpad 560 (the 2640-10U version)
>
>I have upgraded the BIOS to 1.20
>
>I wish to confirm that a 64M EDO SO DIMM (3.3V no parity) is the biggest it can
>use. An e-mail I have gotten claimed a 128M sodimm might also work.
>
>The DYKA-22110 is dying, and I tried to replace it with a DJSA-220. If I leave
>the DJSA-220 is left in the machine, it will not boot a DOS 6.22 floppy. If I
>remove the DJSA-220, the machine will boot.
>
>
>What, if anything can I do to the Thinkpad to get ti to play nice with the 20
>gig DJSA-220?
>
>If it will never play nice, what is the largest hard drive it WILL play nice
>with? The only mention of a bigger hard drive in any IBM lit. says 5 gig.
>Another mentioned an 8 gig limit. Does anyone REALLY know?
>
This is probably in part a DOS limitation. Actually, DOS is limited to 2GB per partition,
but it could also be a system limit, but the latest BIOS should correct that.
Why it doesn't boot from you DOS floppy I don't know, but you won't be able
to see the drive anyways (except through FDISK, and a lot of 2GB partitions is sorta sloppy anyways,
at least IMO.

Paul


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