From: Anders Carlsson (anders.carlsson_at_sfks.se)
Date: 2007-04-04 00:02:17
Hello again,
> I would start with the EPROMs
After express delivery (ordered on Wednesday, shipped from Canada on
Thursday, arrived in Sweden on Tuesday!), I have now received my EPROM
burner/reader.
I have carefully removed the three EPROMs and read them one after
eachother. The 2764:s seem to be fine, but I'm unsure if I managed
to successfully read the AM27128. The reader software supports two
versions, 21V Vpp or 12.7V Vpp. As long as I'm only reading, it should
be the same voltage, but at one setting I only get $FF (empty chip)
and at the other setting I'm getting some kind of consistent, if not
so intelligent data.
I haven't analyzed these dumps more than quickly comparing them to
the ROM set in WinVICE xplus4, and found that at least a few text
strings are the same, so they can't be completely mush.
For those interested, you can download the archive here, and see if
you can parse the raw data. Obviously the .bin files are without a
loading address, as I frankly don't have a clue where in the memory
map they should go.
http://www.cbm.sfks.se/files/ted-eproms.zip
Regards
--
Anders Carlsson
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