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I too was a previous owner of a 720C, my 1st Thinkpad. If I remember
correctly, when I bought my 240MB hd, there was a bios chip that needed to be
installed. It came with my hard drive. So I don't know if you have to replace
the system board per se, but you definitely needed this bios to support the
hard disk type.
Just my 2 cents worth.
... patrick
> Greetings! This is my first post to the digest. Here is my problem. I
> would appreciate your advice. I have a TP720C. Even though it is becoming
> something of a dinosaur, it runs Win 3.11 very well and the active matrix
> screen is still great, though smaller than what's out there now.
>
> My machine can with the 160 meg HD. I recently picked up a used 240 HD at a
> very cheap price. It doesn't seem to be a simple plug in swap.
>
> I visited the IBM tech site and noted that there is a special up-graded
> system board for a 720C with the 240 HD. I am wondering if anyone knows
> what is involved in making this swap? Do I need to located a used system
> board? Or, do I have to replace a bios chip or something like that? Does
> anyone know where the necessary used parts might be located.
>
> Thanks in advance for your help, Wayne Wright
>
>
>
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Patrick Hong Systems Management & Consulting Inc.
email: phong@concentric.net Tel: (613) 769-1544 Fax: (613) 728-4063