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- Newsgroups: comp.sys.mac.misc
- Path: sparky!uunet!stanford.edu!leland.Stanford.EDU!thorn
- From: thorn@leland.Stanford.EDU (Shannon Lee Thornburg)
- Subject: Re: IIsi RAM
- Message-ID: <1992Sep4.183632.15784@leland.Stanford.EDU>
- Sender: news@leland.Stanford.EDU (Mr News)
- Organization: DSG, Stanford University, CA 94305, USA
- References: <1992Sep4.134333.15099@etek.chalmers.se>
- Date: Fri, 4 Sep 92 18:36:32 GMT
- Lines: 23
-
- >I looked into several sources of information and this is what I found about RAM
- >in a Mac IIsi:
- >
- > -The hardware limits the RAM to 1 Gb (not 4 Gb).
- >
- > -The ROMs are 32-bit clean (no MODE32 needed).
- >
- > -Mac IIsi can use 256k, 1M, 2M, 4M, 8M and 16M SIMMs. I cant find out about
- > bigger SIMMs (32M and 64M doesnt exist yet?)
- >
- > -Mac IIsi has four SIMM-slots.
- >
- > -Mac IIsi has 1 Mb soldered onto the motherboard.
- >
- >The result of this is that Mac IIsi can be congfigured as follows:
- >
- > -1 Mb, 2 Mb, 5 Mb, 9 Mb, 17 Mb, 33 Mb and 65 Mb.
-
- The IIsi can also use 512k SIMMs for a total memory of 3 Mb.
-
- This was one of the standard configurations that Apple sold (the IIsi 3/40)
- before they gave up pretending that anyone could do anything useful with System
- 7 and fewer than 4 MB RAM.
-