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- Newsgroups: comp.sys.mac.hardware
- Path: sparky!uunet!caen!med.umich.edu!news
- From: caraher@pn32.petnet.med.umich.edu
- Subject: Re: SIMM installation IIsi
- Message-ID: <1992Nov10.174601.10654@med.umich.edu>
- Sender: news@med.umich.edu
- Organization: pet/cyclotron
- References: <1992Nov10.020320.25491@athena.mit.edu>
- Date: Tue, 10 Nov 1992 17:46:01 GMT
- Lines: 19
-
- In article <1992Nov10.020320.25491@athena.mit.edu> brainiac@athena.mit.edu
- (Jack I Fu) writes:
- >
- >I have a Mac IIsi that has 4 MB on the motherboard and 4 256KB
- >SIMMs in the 4 RAM banks for a total of 5 MB. I recently took
- >those 4 256KB SIMMs out of the sockets and installed 4 1MB SIMMs.
- >However, when I restarted the computer, the "About the Macintosh..."
- >window still shows 5 MB! Am I missing something? Do I need to "set"
- >some switch or something? Why isn't the Mac recognizing the new
- >SIMMs rated at 80ns? Please help. Thanks.
- >
- >
- >Jack Fu
- >brainiac@athena.mit.edu
- >
- Haven't you really just removed 4 1-MB SIMMs and replaced them with four more?
- The motherboard has a 1 MB SIMM, not 4MB, and the banks have 1 MB each for a
- 5MB configuration. You need 2 MB SIMMS to upgrade to 9MB, 4MB SIMMs for 17 MB,
- etc.
-