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Author Topic: A500 does not reset on C-A-A  (Read 3715 times)

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Offline amigaksi

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Re: A500 does not reset on C-A-A
« on: October 07, 2007, 06:01:37 AM »
>Anyone have a schematic of the A500 keyboard? I don't think there's one in the manual

There are schematics in the "Introduction to Amiga 500" manual (some introduction).  In the version that I have the keyboard pins 1 and 2 are reversed (found out the hard way-- experimentally).  However, the reset and ground pins were correctly labelled.  Try connecting the reset to the ground pin (carefully) and if that resets the Amiga, you know it's the keyboard and not the motherboard.  Or if not technically inclined, try the Peripheral Simulator here:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=320167447376

If it works and allows you to reset your Amiga from the PC, it's not the reset line on your motherboard.
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Use PC peripherals with your amiga: http://www.mpdos.com
 

Offline amigaksi

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Re: A500 does not reset on C-A-A
« Reply #1 on: October 13, 2007, 07:45:45 AM »
Should be clock (_KBCLOCK) on pin 1 and data (_KBDATA) on pin 2 instead of what the Introduction to Amiga 500 Manual schematic states (in Appendix F).
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Use PC peripherals with your amiga: http://www.mpdos.com