On 2000-10-14 [EMAIL PROTECTED] <Chad> said:
>>I don't have a chip-pulling tool, though, so what
>>would be the easiest method to pull them up without one -- are
>>they usually too firmly set to safely dislodge them with my
>fingers?
>I use a small flat tip screw driver to pry the chips up. If you are
>careful, and pry from both sides, one side at a time, they will
>come out easily, and without damage.
Ok... I have some small, Swiss watchmaker's screwdrivers, but I think
I might just make some tools like them myself with the aid of a wet-
stone or grinder and suitable guage of wire -- and maybe bend the ends
slightly... hmmm.
>I see that 102 is, "system board timer failure". I don't really
>know what that means, practically speaking, However.
If "system board" means *motherboard*, then John Tomany's remarks
indicate that IBM's diagnostic program is picking up an error in the CPU
speed; however, with some other diagnostic programs, I've repeatedly
gotten the typical 4.77 MHz reading (although one program prefers to
round it off to 4.8 MHz).
The only other remote possibility for the 102 error could be the
result of an outdated diagnostic program that didn't include this
later 640k board model of the XT (the first models were 64k-256k
boards; the later, 256k-640k, which is what I have with 512k
installed). Or, if "system board timer" refers to an add-on board
that gave the XT its own constant clock, the diagnostic program
could be looking for this device -- which I've removed (it *doesn't*
work, by the way), and failing to detect it, it reports the 102
error. I doubt, though, that such a "timer board" is necessary for
the correct functioning of the system.
Jerry >>>> USR Courier HST--V.32 | IBM PC/XT & PC Color Display <<<<
>>>>> PC DOS 3.3 & WordStar 3.30p | 20 MB HDD & 360K FDD <<<<<
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