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
 * Schematics for A3000, A3010, A3020, A4000, A4, A400, A440, A5000, A680, A500, R225, R260, Risc PC

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
 * A680, A4, A3000 Technical Reference Manuals


 * 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)