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- Newsgroups: comp.sys.mac.hardware
- Path: sparky!uunet!spool.mu.edu!umn.edu!csus.edu!netcom.com!pledge
- From: pledge@netcom.com (Alan McLachlan)
- Subject: Re: Mac 128 Help/Mothbd. Needed!
- Message-ID: <1992Nov21.215008.20931@netcom.com>
- Organization: Netcom - Online Communication Services (408 241-9760 guest)
- References: <1992Nov20.123947.2145@ucbeh.san.uc.edu>
- Date: Sat, 21 Nov 1992 21:50:08 GMT
- Lines: 22
-
- In article <1992Nov20.123947.2145@ucbeh.san.uc.edu> mch04401@ucbeh.san.uc.edu writes:
- >I need some help with a Mac 128
- >
- >I got it to try to see if the 64K drams could be replaced with 256K drams and
- >make it a 512 cheaply so I could get some rough familiarity with the Mac
- >platform. The unit does not boot. When powered on, it makes a very rough beep
- >tone and puts noisy vertical lines on the screen. It gets no farther than
- >this, but I think it is trying to put an icon on the center of the screen
- >(there is a noisy little clump in the center).
- >If anyone can tell me whether to suspect the motherboard or the video board,
- >and if anyone has a spare 128/ 512/ 512e board that they have upgraded from,
- >I'd appreciate it. I would like to give about $25 for a 128, $35-40 for a 512,
- >and $55 or so for a 512e, but since this is dead, I'm negotiable. Of course
- >I'll pay shipping.
- >
- >Thanks,
- >Matt Hoffman
-
- The 128 needed other changes other than just changing the memory chips to make
- it a 512K. Look at the silk screening on the m/b and you will see some extra
- H/W that has to be installed to get it to work...
-
-