From b0a5c9e3c41c29e29e6474adf85be1a469980473 Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Thu, 29 Jun 2023 15:48:30 +0200 Subject: updated IMC-2001 status --- content/hardware/imc-2001.md | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'content') diff --git a/content/hardware/imc-2001.md b/content/hardware/imc-2001.md index 78ef2b4..c5ec830 100644 --- a/content/hardware/imc-2001.md +++ b/content/hardware/imc-2001.md @@ -21,17 +21,24 @@ Trying to fix several issues: with the new PSU). - the CRT is producing some flickering when turning the brightness nob, this should be fixable with some deoxit. -- the paddle and the joystick connectors miss some legs for putting them into - the sockets on the motherboard -- paddle 0 seems to be a little bit shacky (the button works unreliably) - the second floppy drive (the more used one) now sees floppies always as "write protected". Diagnostic tests show alignment issues of the drive, this could be true, or the clone always had a different alignment than a default Apple 2 drive? +- the paddle wire is self-made on paddle 1 and quit a mess. +- really bad design to connect DIP 2x8 cables of the joystick and the paddles + directly on the motherboard, you pull the cable a little bit too much and + you tar out half of the motherboard. - possibly much more Fixed issues: +- ~~the paddle and the joystick connectors miss some legs for putting them into + the sockets on the motherboard~~. No essential pins are missing, will + rework this anyway as a 8x2 DIP to 9-DSUB, from there to an adapter + where you can connect 2 DIN-5 cables, needs rewiring of both paddles. +- ~~paddle 0 seems to be a little bit shacky (the button works unreliably)~~. + DeOxit in the button helped. Works much better now. - ~~the lever moving the contacts between 40-character and 80-character mode for the CRT output is corroded, doesn't always make contact and produces a flickering image~~. The box is heavily sealed and there -- cgit v1.2.3-54-g00ecf