Speaking of which, does anyone have any 387 chips to go in a laptop?
I guess they're the pinless variety.
>>Speaking of which, I read in a PC repair book that the 486SX is a
>>486DX with certain lines cut to disable the math coprocessor. The
>>thing that went into the coprocessor socket was a rebranded 486DX
>>that took over all functions of the SX when installed. Anyone know
>>about this?
>
>PC Magazine back in the early 90's had something that mentioned this.
If I
>remember correctly it was one of the Dvorak columns. He mentioned that
the
>486SX was basically a marketing ploy by Intel to allow them to get rid
of
>486DX chips with defective Math CoPro units.
>
>As for a Math CoPro for the 486, I'm not sure I ever saw a 487 chip,
but I
>always figured that they took the chips that didn't cut it as a normal
>processor but had a good Math CoPro, and sold them as 487's.
>
>I've no idea if this is true, but it made sense to me, since why
through
>out a chip with a good processor, with you can just package it as a
486SX,
>and sell it at reduced cost. Sounds to me like everyone won. After
all,
>how many people really felt the need for a Math CoProcessor in the
early
>90's? I added one to a 386sx laptop in January of '94 when I was
forced to
>go from my 486DX/33 to a 386SX/16 laptop since I was mainly using it
for
>Linux, and didn't want to have to emulate the math functions, still I
don't
>know that I needed it.
>
> Zane
>| Zane H. Healy | UNIX Systems Adminstrator |
>| healyzh_at_ix.netcom.com (primary) | Linux Enthusiast |
>| healyzh_at_holonet.net (alternate) | Classic Computer Collector |
>+----------------------------------+----------------------------+
>| Empire of the Petal Throne and Traveller Role Playing, |
>| and Zane's Computer Museum. |
>| http://www.dragonfire.net/~healyzh/ |
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Received on Sat Nov 07 1998 - 08:48:05 GMT