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- Path: sparky!uunet!gatech!europa.asd.contel.com!howland.reston.ans.net!usc!news.cerf.net!iat.holonet.net!bmug!Blair_W._Sandler
- Message-ID: <1992Dec13.052558.149856@bmug.org>
- Newsgroups: comp.sys.mac.hardware
- Distribution: world
- From: Blair_W._Sandler@bmug.org
- Organization: BMUG, Inc.
- Date: Sun, 13 Dec 1992 05:25:58 PST
- Subject: Hardware problem on Plus
- Lines: 71
-
- I'm having hardware problems with a Mac Plus. If you know anything about any
- of
- this, I'd love some help. Otherwise, it's over to the repair place. I trust
- them, and
- they're GOOD (CJS Systems in Berkeley, CA); but they charge money. OK, here's
- the
- deal:
-
- I bought a used Plus, and then bought 4 used 1-MEG SIMMs to install. I've
- done this
- many times, so no big deal. Plus worked, new/used SIMMs worked, I set up a
- good
- system on the old, serial port non-scsi hard drive (!) and shut down the
- machine.
-
- My sister took it to her home in Davenport (up in the mountains near Big Basin
- State
- Park -- half-hour drive over VERY bumpy dirt road). She has no power yet
- (solar is
- coming someday soon...), so she took it back down the road into Santa Cruz to
- a friend's
- house. Turned it on, got the Dead Mac Face. She turned off the hard drive
- and booted
- up off a good floppy. Same thing. I don't know the number that showed under
- the
- face, but apparently it had a two in it, because when she called CJS Systems
- and told
- them the number, they said: either (1) two of the SIMMs are bad; (2) the SIMM
- sockets
- are bad; (3) there is corrosion on the sockets; or (4) there is corrosion
- between the
- SIMMs and the sockets. That's what they said over the phone just from her
- description
- of what happened.
-
- I got the machine back, took out the 1-meg SIMMs and reinstalled the original
- 256k
- SIMMS. Now, instead of the Dead Mac Face, the blinking question mark that means,
- "feed me a system file." But get this: I insert a perfectly good system disk
- (later checked
- out on my II ci), and it spits it out with an "X" that means, "there's no
- system on that
- disk." Hmm. Very strange indeed.
-
- So then I put the 4 1-meg SIMMs in my ci, where they seem to work fine (I'm
- using
- them now -- 12 megs where formerly I had only 8).
-
- OK. It's not the RAM, so it must be the sockets. Open up the Plus, remove
- the 256k
- SIMMs, inspect the sockets. Well, there's nothing I can see to indicate any
- problem. In
- my ignorance, they look fine.
-
- "Oh, dear, what can the matter be...?"
-
- If you have any ideas, I'd like to hear them.
-
- THANKS!
-
- Blair
-
- P.S. Please e-mail me because I don't read this newsgroup often.
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