Subject: Re: ProDOS...
Newsgroups: comp.sys.apple2
From: dempson@actrix.gen.nz (David Empson)
Date: Tue, 3 Oct 2000 03:02:48 +1300
Message-ID: <1ehwl58.1rkefq281te1sN%dempson@actrix.gen.nz>
References: <39cba1c2$1@hal.grnco.net> <processoroverclocked-2209002239410001@dialup-napanet-206-81-102-52.napanet.net> <39CD94A4.2555B331@dcnet2000.com> <39CE1FBA.250B83BB@inetnebr.com> <8qmop3$3d6$1@merope.saaf.se> <39D084AB.AD21E514@dcnet2000.com> <39D0AE3F.F631E95B@inetnebr.com> <1ehssze.jy4jskefvttoN%dempson@actrix.gen.nz> <39d6ab95$1@news.uow.edu.au> <39D78137.D5DF16CB@inetnebr.com>
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Roy and/or Janet Miller <millers@inetnebr.com> wrote:

> Would opening up my /// and seeing if I can find the MMU chip and giving
> you the chip number help? I'd like to know more myself.

Very unlikely.  It is almost certainly an Apple custom chip, like the
MMU and IOU in the IIe and IIc.  They are ASICs ("Application Specific
Integrated Circuits"), where Apple defines the required functionality
and they are then mass produced to meet their requirements.

-- 
David Empson
dempson@actrix.gen.nz
Snail mail: P O Box 27-103, Wellington, New Zealand