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Looks like a Rev D, quite common. Sticker on the brand name, which is Commodore C-MOS. f the 003 is in a socket, maybe it it has replaced a damaged 003. 6530-002 and -003 were for sale in those days.

It has been done for the KIM-1. Look at http://retro.hansotten.nl/6502-sbc/kim-1-manuals-and-software/kim-1-6530-replacement/ All 6532s are functionally equal btw, no mask programming. The 6530s have mask programming. The logic in the replacement circuits take care to map the 6532 to the...

In the defense of the guy who did do the schematic: he produced a working PCB from it and diagnosed his broken KIM-1 with it to working condition again. And I know others have used this PCB to repair their KIM-1s with it. So you are a bit overreacting here. Your assessment of Kicad is also a...

Congrats! As Dwight and I and others have seen often: memory faults. But this KIM-1 took a real good hit, since 6502 and 6530-002 were also damaged. Corsham boards are really worth it! Hans

The diagnostic board has been recreated and succesfully build by Liu Ganning with the help of Dwight: http://retro.hansotten.nl/6502-sbc/kim-1-manuals-and-software/kim-1-diagnostic-board/

I am looking for the ROM dumps of the KIM-5 , the Resident Assembler/Editor for the KIM-1 http://retro.hansotten.nl/wp-content/uploads/2022/05/KIM-5.png I have the manual: http://retro.hansotten.nl/uploads/files/MOS_KIM_Assembler_Manual_Preliminary.pdf But the ROMs (3x 6540) are not...

Wow, that was picked up fast ;) Published yesterday! Enjoy! Its in German, so a bit hard if you dont read German (I do, read ok, write hmm, speak hmm). Valuable information for mostly AIM 65, a lot for KIM-1 and more.

It runs fine on a PAL-1, a KIM clone. Papertape files here (thanks Nils) https://drive.google.com/file/d/1tGfLiZmpHbmogmOaY6-pd80puRC5NImN/view Hans

Great!

The board has been built by Liu Ganning on PCB after he recreated the circuit diagram from the information Dwight sent me. And it helped! The RAM test, one of the first to perform indicated a RAM error. The RAM IC was not broken, it was the 74125 buffer. Replacing that and his KIM-1 was...

For sale, for Apple II Complete packages, book, software, box Apple Pascal 1.1 Apple Pascal 1.2 Apple Pascal 1.3 Apple Pascal 1.1 doucmentation set Apple Pascal books (english and german) -Apple Pascal reference manual, Apple (version 1.1) -Microbook: Datenverwaltungssystem in Pascal fur...

Apple II High_speed SCSI Card for the Apple IIe and IIGS As new in box. Package original, contains card, High Speed Utilities on 5 1/4 and 3,5 inch, and a Macintosh CD seup, Owner's Guide Apple CD600i SCSI CDROM drive. Items located in Amsterdam, The Netherlands, Europe Any offer above 100...