Technical Reference Manuals and circuits

Links to circuit schematics and hardware manuals for Acorn/RISC OS products:

RISC OS hardware

• A300, A400, A440, A3010, A3020 schematics
• Motherboard Connections
• Acorn manuals and instructions collection

Manuals

• A300 series Service Manual
• A300 series Product Suppport and Service Training Course Notes
• A400 series Service Manual
• A540, R225, R260 Technical Reference Manual
• A540 Service Manual
• A4 laptop Technical Reference Manual
• A3000 Technical Reference Manual
• A3000 Service Manual (pages are out of order)
• A3010/A3020/A4000 Technical Reference Manual (pages out of order: odd pages start at the front, even pages start at the back)
• A5000 Module Level Service Manual
• Risc PC Technical Reference Manual

• Podule bus specification
• Acorn Ethernet and SCSI cards technical manual (as part of A540 TRM): Ethernet I (Ether1) pp21-32, 60-75, Ethernet II (Ether2) pp33-37, Acorn SCSI pp38-43
• Risc PC network slot specification

Chips

• ARM2/IOC/MEMC/VIDC datasheets
• ARM chipset and support chips datasheets
• Viewfinder podule
• Archimedes hardware (deduced in the writing of Arculator)

8 bit hardware

• BBC B, Econet module schematics
• Ben Harris' 8-bit circuits
• The BBC Lives!
• Acorn manuals and instructions collection