Re: apple II roms and eproms

["Bill Garber" <willy46pa@comcast DOT net>]

"Wayne Stewart" <waynes@telus.dotnet> wrote in message
news:I_lBc.23692$by2.16833@edtnps84...
: Bill Garber wrote:
:
: > "David Wilson" <david@uow.edu.au> wrote in message
: > news:40d4ca0d$1@news.uow.edu.au...
: > : David Wilson <david@uow.edu.au> writes:
: > : >Apple IIgs
: > : >ROM00/01/03 1 megabit ??? none 28
: > :
: > : >The IIgs uses a 28 pin 1 MegaBit (128KB) ROM but the
: > : >equivalent EPROM has 32 pins...
: > :
: > : I just double checked the ROM03 schematics, my memory data
book
: > : and my ROM03 PCB.
: > :
: > : 1) The PCB is laid out for 32 pin sockets (but my IIgs
: > : has only got 28 pin sockets soldered to it).
: >
: > Mine also.
:
: I have some of each and one with a 28 pin ROM in one socket
: and a 32 pin EPROM in the other. I have only one IIgs with
: a 32 pin ROM handy without having to spend half an hour or
: more digging. It uses a M5M27C100K-15. Interestingly it's
: in a machined pin socket. Makes me feel like digging out
: some others to see which sockets they used on them.
:
: A neat project might be to update the tools on the ROMs to
: the System 6 ones. That'd let you boot System 6 off a leaner
: System folder and a bit faster. Of course that'd only be of
: real value for someone without a hard drive. Course you'd also
: need to modify your TS3 file or come up with a TS4 one.
: Wayne

DOUBLE, double, POST, post, WHAT, what, HAPPENED, happened??

Anyone hear an ECHO ECHo ECho Echo echo ?????   :o)

Bill @ GarberStreet Enterprizez };-)
Web Site - http://garberstreet.netfirms.com
Email - willy46pa @ comcast DOT net
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