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Diffstat (limited to 'content')
| -rw-r--r-- | content/hardware/imc-2001.md | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/content/hardware/imc-2001.md b/content/hardware/imc-2001.md index c5ec830..583a687 100644 --- a/content/hardware/imc-2001.md +++ b/content/hardware/imc-2001.md @@ -10,10 +10,12 @@ This is an old Taiwanese Apple \]\[ / CP/M clone. Trying to fix several issues: -- strange issues with imaged floppied not working in LinApple or also +- strange issues with imaged floppies not working in LinApple or also not on the real computer, always bailing out in the monitor in strange locations. Used Fluxengine and ADTPro to get images, they are identical. - Checked the RAM of the machine, no errors. + Checked the RAM of the machine, no errors. Must investigate if boot + addresses are the issue (48k floppy masters not working on 64 or similar + issues) - HGR shows a line on row 0 only partially. This could be an adjustment issue of the CRT image or also bad RAM. - the CRT shows some flickering and diagonal effects. Testing on an old TV @@ -25,7 +27,11 @@ Trying to fix several issues: "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. +- the paddle wire is self-made on paddle 1 and quit a mess. Doing a rewire + with DIN-5 connectors which then lead to a 9-pin DSUB-Apple ][ standard + joystick connector, which will go to the 16-pin DIP socket on the motherboard. + The original joystick connector has a completely weird layout and is not usable + (it has no Apple 2 layout) - 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. |