On Mon, 17 Sep 2001, Eric Dittman wrote:
> > > >Cool idea -- flash on a DIMM. Has anyone ever heard of such a beast?
> > >
> > > The Apple Set Top box uses flash SIMM/DIMMs for it's boot
> > > code. At least the one I have does. It's a 68pin SIMM with 8 Intel
> > > E28F020 flash memory chips (256k x 8).
> >
> > Additionlly, several models of Macs have had either SIMM or DIMM
> > sockets for ROMs; in the case of the Mac IIci, it's unpopulated,
> > and my guess was there either for upgrades or for some special-
> > order boxes used by an unnamed customer... ditto the Quadra 605
> > (LCII format).
>
> My Mac IIfx used a ROM SIMM. The IIfx was the last Mac I ever
> bought, too, after the way Apple treated IIfx owners.
> --
> Eric Dittman
> dittman_at_dittman.net
> Check out the DEC Ethusiasts Club at http://www.dittman.net/
The SE/30 and the IIsi were also configured that way. I was told that
the intent was to permit patching the firmware, either in case of a bug
or upgrade.
- don
Received on Mon Sep 17 2001 - 18:31:20 BST