From: Ullrich von Bassewitz (uz_at_musoftware.de)
Date: 2002-07-10 20:31:35
Hi!
On Wed, Jul 10, 2002 at 07:28:35PM +0200, Michael Klein wrote:
> http://www.lb.shuttle.de/puffin/b500/index.html
>
> ASSY# 8256048, Serial# WG 00395
The Commodore part numbers listed for these chips are that of the Commodore
610 - apart from the version suffix. I would say this is the last proof that
the B500 and the 610/B128 are in fact identical machines. It seems that
Commodore went through several naming schemes for the PET-II machines:-)
Unfortunately, I've never seen such an early kernal version (-01), so I have
no image from a 610 to compare. I would expect this kernal version to be quite
buggy and contain cassette routines instead of the ROM monitor and the
coprocessor routines. It should be possible to replace the chips by that of a
Commodore 600/700 without problems.
> Looks identical to the left one, except for the power supply, which
> isn't caged in my B500.
European models had another power supply. The caged power supply was used in
the U.S. model, but it is not of very high quality, at least not when used
with 240V. The power supply of U.S. P500 survived just two weeks after
switched to 240V.
Regards
Uz
--
Ullrich von Bassewitz uz@musoftware.de
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