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

== RISC OS hardware ==

* [http://www.drobe.co.uk/reference/circuit.php A300, A400, A440, A3010, A3020 schematics]
* [[Motherboard Connections]]
* [http://acorn.chriswhy.co.uk/Documents.html Acorn manuals and instructions collection]

=== Manuals ===

* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A300sm.pdf A300 series Service Manual]
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A300notes.pdf A300 series Product Suppport and Service Training Course Notes]
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A400sm.pdf A400 series Service Manual]
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A540trm.pdf A540, R225, R260 Technical Reference Manual]
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A540sm.pdf A540 Service Manual]
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A4trm.pdf A4 laptop Technical Reference Manual]
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A3000trm.pdf A3000 Technical Reference Manual]
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A3000sm.pdf A3000 Service Manual] (pages are out of order)
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A3020trm.pdf A3010/A3020/A4000 Technical Reference Manual] (pages out of order: odd pages start at the front, even pages start at the back)
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A5000mlsm.pdf A5000 Module Level Service Manual]
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/RPCtrm.pdf Risc PC Technical Reference Manual]

* [http://www.chiark.greenend.org.uk/~theom/riscos/techdocs.html#datasheets Podule bus specification]
* [http://www.drobe.co.uk/archives/backwater.vetonline.vic.edu.au/pdf/A540trm.pdf 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
* [http://www.chiark.greenend.org.uk/~theom/riscos/docs/netslot.pdf Risc PC network slot specification]

=== Chips ===
* [http://www.drobe.co.uk/reference/early_datasheets/ ARM2/IOC/MEMC/VIDC datasheets]
* [http://www.home.marutan.net/arcemdocs/ ARM chipset and support chips datasheets]
* [http://web.inter.nl.net/users/J.Kortink/home/hardware/viewfinder/index.htm Viewfinder podule]
* [http://b-em.bbcmicro.com/arculator/archdocs.txt Archimedes hardware] (deduced in the writing of Arculator)