Re: Micro SCI disk controller, mystery solved

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

"Wayne Stewart" <waynes@telus.dotnet> wrote in message
news:BifRb.17745$P51.4820@clgrps12...
: Bill Garber wrote:
: > Wayne,
: >
: > The PROM on your disk controller is
: > the 74SO125N. That IS a 256 byte PROM.
: > I couldn't find it per se, but after
: > searching for all the different PROMs
: > used on the Apple 5.25 controller at
: > the 341-0027 location, I was finally
: > able to cross reference it to the prom
: > on your JMR board. Whew, now I feel
: > better. I thought someone did some magic
: > there or something.
:
: Hm, the information I have seem to indicate that the74SO125N is
: a Quad tri-state buffer

Are you sure? A 74LS125 or 74S125 is I know, but
that number came up as a cross ref for a 256 byte
PROM.

Bill @ GarberStreet Enterprizez };-)
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Email - willy4SPAM6pa@comXcast.net
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