Re: PET II questions (P500, B128, B256)

From: Nicolas Welte (
Date: 2001-12-10 21:15:34

Marko Mäkelä wrote:
> On Mon, 10 Dec 2001, Nicolas Welte wrote:
> > I might have a PET2001 with BASIC 1.0, but I'm not sure. I remember there was
> > an easy check with the startup message, which either started with ### or ***.
> > Which is which? I could also check the ROM chips, of course.
> According to VICE, BASIC 2.0 is ###, and BASIC 1.0 is ***.  To add some
> confusion, also BASIC 4.0 is ***, but the message includes the version
> number.

Both of my working 2001 start with ***, so they have BASIC 1.0. One of them
has the 6540 ROMs in it with the lower version numbers, but the other one has
a set of very strange chips, including the CPU and I think the port chips.
They don't have any print on them, they only have a white sticker with a red
symbol that looks like an Euro currency symbol with only one bar, or just a
capital C with a horizontal bar. Anybody ever saw such chips? The third, dead
2001 board seems to have BASIC 2.0, it has the higher version numbers on the
6540 ROMs.


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