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- Newsgroups: comp.sys.att
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!news.acns.nwu.edu!nucsrl!ddsw1!gagme!gagme!greg
- From: greg@serveme.chi.il.us (Gregory Gulik)
- Subject: Re: 3b/400 speedups
- Message-ID: <1993Jan1.183334.21452@serveme.chi.il.us>
- Organization: Gagme Public Access Unix, Chicago, Illinois
- References: <1992Dec28.152156.22894@tigger.jvnc.net> <1992Dec29.162910.16424@serveme.chi.il.us> <1992Dec30.132655.647@hakatac.almanac.bc.ca>
- Distribution: usa
- Date: Fri, 1 Jan 1993 18:33:34 GMT
- Lines: 42
-
- In article <1992Dec30.132655.647@hakatac.almanac.bc.ca> rthomas@hakatac.almanac.bc.ca (Robert N Thomas) writes:
- >
- > I took a few moments to take a look inside my 3B2/400 system...
- >
- >One chip Labeled...
- > WE 32102-W
- > McCoy 8528
- > MC790A1-001
- > 1x = 10.00MHz
- > 2x = 20.00MHz
- >
- > This one looks like a wierd oversized clock chip.. It has about 6-12
- >pins which are soldered directly into a 3-4 multi-layered motherboard..
- >The de-soldering of this type of beast gived me goosebumps, and I start
- >having nightmares of the trace on layer 2 not getting connected back up
- >for some reason.. I am hopeful that this isn't the one I am to remove!!
-
- Yeah, that's the one. My original 400 had that chip soldered in,
- but I picked up another motherboard that had that chip socketed.
- Actually, about 3/4 of the 400 motherboards I've seen have that
- chip socketed.
-
- >Another CLOCK CHIP labeled...
- > CTS SINGAPORE
- > 974-6033-0
- > 20.0 MHz
- > 8448 887
- >
- > This one looks like a typical STD clock chip one might find in an old
- >IBM AT computer. I don't have nightmares about de-soldering this one...
- >Is this the chip you replaced??? If this is the GUY, I might PLOP in a 25MHz
- >chip, and increase the speed by 20%..
-
- I have no clue what that chip is.
-
- -greg
-
- --
- Gregory A. Gulik Call Gagme, a public access
- greg@serveme.chi.il.us UNIX system at 312-282-8606
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