intel 385? ever heard of it?

Mike

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Dec 21, 1997, 3:00:00 AM12/21/97

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hi,

I have a chip marked "intel 385" it looks exactly
like the PGA version of a standard 386 processor.
when I first saw it I thought it was mis-marked,
but I wasn't sure. I asked around and all I found
out was that other people had seen 385's, and there
may even be 485's.

has anyone ever seen one of these? does anyone know
the difference between this "385" and a standard "386"?

intel's website wasn't too much help, searching for
"385" just showed various benchmark results for
their pentium processors.

altavista didn't help too much either, searching for
"intel 385" returned 9 results, these results lead me
to believe that the mysterious 385 really exists, or that
a few people have been sloppy typing "386"

thanks for the help,
Mike

ps, if you reply, could you stick my email address in
the "mail cc" field? thanks

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Peter Vince

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Dec 21, 1997, 3:00:00 AM12/21/97

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In article <349CB290...@NO-SPAM.rocketmail.com>, Mike <merc...@NO-SPAM.rocketmail.com> wrote:
>hi,
>
>I have a chip marked "intel 385" it looks exactly
>like the PGA version of a standard 386 processor.
>when I first saw it I thought it was mis-marked,
>but I wasn't sure. I asked around and all I found
>out was that other people had seen 385's, and there
>may even be 485's.
>
>has anyone ever seen one of these? does anyone know
>the difference between this "385" and a standard "386"?
>
>intel's website wasn't too much help, searching for
>"385" just showed various benchmark results for
>their pentium processors.
>
>altavista didn't help too much either, searching for
>"intel 385" returned 9 results, these results lead me
>to believe that the mysterious 385 really exists, or that
>a few people have been sloppy typing "386"
>
>thanks for the help,
>Mike
>
>ps, if you reply, could you stick my email address in
>the "mail cc" field? thanks

IIRC, its a memory managment chip, not a CPU chip. More of a fellow
traveller<g>. And, IIRC again, Compaq used it in its early DeskPro 386/20
and 386/20e models.

Hope this helps,

Peter Vince VA3PKV

PS. Don't forget to remove the, hopefully, spam foiling characters
in my "reply-to" when replying by e-mail.

Vincent Frederico

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Dec 23, 1997, 3:00:00 AM12/23/97

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It is a math co-processor and not a memory chip.

KiDWiZ
Rochester, N.Y.

Mike wrote in message <349CB290...@NO-SPAM.rocketmail.com>...

>hi,
>
>I have a chip marked "intel 385" it looks exactly
>like the PGA version of a standard 386 processor.
>when I first saw it I thought it was mis-marked,
>but I wasn't sure. I asked around and all I found
>out was that other people had seen 385's, and there
>may even be 485's.
>
>has anyone ever seen one of these? does anyone know
>the difference between this "385" and a standard "386"?
>
>intel's website wasn't too much help, searching for
>"385" just showed various benchmark results for
>their pentium processors.
>
>altavista didn't help too much either, searching for
>"intel 385" returned 9 results, these results lead me
>to believe that the mysterious 385 really exists, or that
>a few people have been sloppy typing "386"
>
>thanks for the help,
>Mike
>
>ps, if you reply, could you stick my email address in
>the "mail cc" field? thanks
>

Wesley

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Dec 27, 1997, 3:00:00 AM12/27/97

to

The Intel 80385 is a Cache RAM controller chip... I've got one in my
Compaq Deskpro 386/25. I didn't know what it was until I got to
scanning through Compaq's technical documentation on the machine...
apparently the newer 386's and later chips didn't need a dedicated cache
RAM controller...

Wesley

Dmitri Makhrov

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Dec 30, 1997, 3:00:00 AM12/30/97

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The math co-processor is 387

Dima