Almost On-Topic: DEC AHA1742B Firmware

From: Doc <>
Date: Sat Jan 5 02:05:21 2002

On Sat, 5 Jan 2002, Tothwolf wrote:

> I have a brand new still shrink wrapped 1740 and software here on my desk.
> It's not a 174xB, but rather a 1740A. I think the package was supposed to
> have a manual, but it seems to be missing. Its BIOS chip is labeled
> "450216-00 A", checksum is DC00. The microcode chip is labeled
> "450113-00 E", checksum is B7D6. Both have a copyright date of 1992. I'll
> look for the box of boards and see what other revisions I have. I don't
> think the 'A' and 'B' boards use the same BIOS and microcode.
> I may have some other models of Adaptec EISA SCSI boards in the same box,
> I'll have to look. I tend to collect odd boards for PC stuff to test Linux
> and BSD drivers.

  I forgot to mention that AFAICT, DEC uses custom microcode with these,
because when I tried to use the version "I" microcode off Adaptec's
site, even OpenVMS 7.2 wouldn't install anymore. My experience with
Digital Unix and OpenVMS 7.2 on an Aspen Alpine and a 164LX tend to
support that idea. What I'd really like to find is Compaq's archive
stash. If any of that still exists.

> > This is turning into a Fun Friday after all. Want a PowerBook?
> You don't want it anymore?

  I didn't want it when I got it. It was part of a package deal, and I
already have more Apple stuff than I ever intended to have. I find
MacOS not only extremely irritating, but strangely unavoidable.

Received on Sat Jan 05 2002 - 02:05:21 GMT

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