On this page manuals, most English, some German and othre MOS Technology documents
- User manual
- Hardware manual
- Programming manual
- KIM Hints
- KIM Application Note #2 Interval timer Operation
- Circuit diagram poster
- KIM-2 – KIM-5 manuals
- MOS Cross assembler
- KIMath Subroutines package
- First book of KIM (with sources and binaries)
- MCS6500 Instruction Set Summary cards
- MOS Technology Newsletters
- Quick references
- Other MOS Technology documents
PDFs from all over the internet, archive.org, own scanning. Thanks for that!
From https://www.retro-commodore.eu/2021/02/14/kim-1-manuals/ come the high quality scans!
User Manual
Hardware manual
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Hardware Manual January 1976 Second Edition Publications Number 6500-10A MCS6500 Hardware Manual high quality Hardware Manual in ASCII format MCS6500 Hardware Manual jan 1975 in PDF format MCS6500 Hardware Manual jan 1976 second edition in PDF format Hardware manual in HTML format |
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Rockwell 6500 Hardware Manual |
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MOS 6500 Hardware Handbuch German version of Hardware manual |
Programming manual
KIM Hints
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KIM hints KIM-1 Hints PDF format KIM-1 Hints smaller PDF format KIM-1 Hints in text format KIM-1 Hints in text format with additions and corrections |
KIM Application Note #2 Interval timer Operation
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>KIM Application Note #2 Interval timer Operation |
KIM-2 – KIM-5 manuals
Hardware extensions, see also the KIM System Products pages.
Cross assembler Manual, GE timeshare
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Cross assembler Manual, GE timeshare MCS6500 Microprocessor Software Support Guide for using the MOS Technology Support Software on United Computing Systems timesharing service Describes the MCS6500 Cross Assembler, Simulator and DMP to ROM programs. |
MOS KIMath Subroutines Programming Manual
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MOS KIMath Subroutines Programming Manual |
MOS Technology Cross assembler
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Circuit diagram poster
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KIM-1 circuit diagram Rockwell branded circuit diagram KIM-1 poster in high resolution, large picture! KIM-1 poster in high resolution, cleaned up by Joshy of Forum64 and me (August 2022) KIM-1 poster in high resolution, cleaned up and with wide borders KIM-1 poster in high resolution, scan by Dave McMurtrie |
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Redrawn KIM-1 circuit diagram |
KIM-2/3/4/5
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User’s Manual Motherboard KIM-4 in PDF User’s Manual Motherboard KIM-4 User’s Manual Motherboard KIM-4 in BW PDF User’s Manual Motherboard KIM-4 in HTML |
First Book of KIM
Newsletters and errata
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MOS Technology newsletters |
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MOS Technology April 1976 customer update |
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Customer Errata Letters Customer Errata Letter 1 Customer Errata Letter 2 Customer Errata Letter 3 |
Quick references
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KIM-1 Quick Reference by Jeff Trenter | |
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KIM-1 user guide and notes from the book “Microcomputer Principles featuring the 6502/KIM |
Other MOS Technology documents
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MOS Technology Floating point BCD routines MOS Technology January 1976, Rev 0. Numbers of six digits BCD Mantissa, a two digit BCD Exponent and the signs for the mantissa |
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MCS6532 Design Specification Published before the first 6532 datasheet |
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MCS6500 Microprocessor Software Support Guide for using the MOS Technology Support Software on United Computing Systems timesharing service Describes the MCS6500 Cross Assembler, Simulator and DMP to ROM programs. |
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MCS6500 datasheet May 1976 |
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MDT 650 product description |
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Simplifying Conversion from 6800 to 6502 |
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TIM Software development Aid Product description |
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KIM 2-3-4-5 product descriptions |

Warranty card that came with the KIM-1
Byte Magazine 1978 09 Plugging the KIM-2 Gap
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Byte Magazine 1978 09 Plugging the KIM-2 Gap |
See also:
KIM-1 PCB Edge connectors
The KIM-1 needs 2 edge connectors.
The specifications are: card edge; PIN: 44; 3.96mm
When you search for those, ...
Dungeons And Dragons Dice Simulator For The KIM-1
In Compute! Issue 13, June 1981, a small program is published. It runs on an unexpanded KIM-1, showing a random number a...
MICRO
MICRO The 6502 Journal
Published by Robert M. Tripp, The Computerist
Published from 1977 tot 1983. The first y...
Compute! and Compute II
Compute!
A magazine devoted mostly to 6502 computers.
Apart from the Compute II period,
before and afterwar...