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Re: Micro SCI disk controller, mystery solved

Subject: Re: Micro SCI disk controller, mystery solved
From: Ethereal <no@spam.com>
Date: Tue, 27 Jan 2004 05:57:39 GMT
Newsgroups: comp.sys.apple2
Organization: Your Company
References: <YpmdnXj_beKXN4_dRVn-vw@comcast.com> <20040124142525.20534.00000343@mb-m21.aol.com> <zeBQb.7935$A7.419@edtnps84> <8dqdnd0IbYPjuIndRVn-tA@comcast.com> <BifRb.17745$P51.4820@clgrps12> <3qydnRNPo9LRGYjdRVn-hw@comcast.com>
User-agent: Xnews/5.04.25
Xref: archiver1.google.com comp.sys.apple2:2816

"Bill Garber" <willy46pa@comcast.net> wrote in news:3qydnRNPo9LRGYjdRVn-
hw@comcast.com:

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

If the chip is made by National Semiconconductor then it's a good 
possibility that it's a PROM chip.  NS used to make some low density PROMs 
with 74LS and 74S prefixes (e.g. 74LS471, 74S287, 74S573, etc.)

Follow-Ups:
- Re: Micro SCI disk controller, mystery solved
  - From: Wayne Stewart <waynes@telus.dotnet>

References:
- Re: Looking for a Micro SCI disk controller
  - From: "Bill Garber" <willy46pa@comcast.net>
- Re: Looking for a Micro SCI disk controller
  - From: mjmahon@aol.com (Michael J. Mahon)
- Re: Looking for a Micro SCI disk controller
  - From: Wayne Stewart <waynes@telus.dotnet>
- Micro SCI disk controller, mystery solved
  - From: "Bill Garber" <willy46pa@comcast.net>
- Re: Micro SCI disk controller, mystery solved
  - From: Wayne Stewart <waynes@telus.dotnet>
- Re: Micro SCI disk controller, mystery solved
  - From: "Bill Garber" <willy46pa@comcast.net>

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