Re: [Etherboot-users] questions about 5.1.4

[Tom T. <to...@mm...>]

On Sat, Jan 11, 2003 at 11:07:34AM +1100, Ken Yap wrote:
> >What you want is tulip.zrom.
> 
> Actually to forestall more head scratching by you, you should issue a
> make for the model of Tulip clone you want, e.g.
> 
> 	make mx987x5.zrom
> 
> otherwise the PCI IDs in the image won't be correct for the ROM and it
> won't boot. This make is what rom-o-matic issues when you have selected
> mx987x5.

Many thanks!

And, ... on another topic (for the general public rather than Ken).

I recently found a great source of EPROMS (and a few EEPROMS as well).
One of my local electronics stores has a table in the parking lot with
"junk" they are selling cheap.  On a recent visit I found lots of old
PC boards for $1.00 each.  Special favorites are old ISA graphics cards
that have 2 EPROMS (usually 27256 and/or 27128).  Modem cards were
a nice source of EEPROMS in a few cases.  Watch out for plastic case
OTP (One time programmable) 27256 and 27128 parts, they are useless.
(although I have heard of people using X-rays to erase these, my advice
is to throw them away).  With practice it is easy to tell the plastic
(useless) case jobs from the ceramic ones by looking at the edge of the
chip, but if you aren't sure, peel back the label and verify that it has
a quartz window.

I pry them out of the sockets, scrape the labels with a razor blade,
clean the gunk off with acetone, and erase them with a UV light.
Then they are as good as new and ready to program.

	Tom