Re: PLA equations for the 1551 drive's cart

From: Gerrit Heitsch <*gerrit_at_laosinh.s.bawue.de*> Date: Sat, 22 Feb 2025 18:56:45 +0100 Message-ID: <9f8c58c4-45dd-4372-acb8-81d3a90eac39_at_laosinh.s.bawue.de> · gerrit_at_laosinh.s.bawue.de

On 2/22/25 18:28, Francesco Messineo wrote:
> 
> I've never seen a good 8501 in my whole life so far. I have made a
> replacement for it with a 6502 and 2 x ATF1502 CPLDs, this is barely
> larger than the 8501 itself. But I only have one C16 that was donated
> many years ago by a friend.

The 8501R4 or 8501 without R-Number seem to last. I have a few of them, 
a few years ago a number popped up on ebay for a low price.

I still have working 8501R1 too.

My 7501R1 failed though.

  Gerrit