This website is an archived copy of "Chris's Acorns", now hosted by The Centre for Computing History as part of The Chris Whytehead collection.
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Acorn instructions and technical documents

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16-bit Audio Card Release Note (96K)
1770 Disc Interface Upgrade Kit Fitting Instructions (209K)
1MB RAM Upgrade Kit (for A3000) (13K)
A3000 Welcome Letter (109K)
A3020 and A4000 Econet module installation (286K)
A5000 and A540 FPA upgrade kit installation (284K)
A5000/RISC OS 3 Release Note (404K)
A500 2nd processor circuit diagram (4.9M)
A7000 Network Resources (242K)
Acorn Access+ Release Note (56K)
Acorn Video Specifications (98K)
Acornsoft 40/80 track disc configuration (65K)
AKA66 PAL TV Adaptor (20K)
Archimedes Hard Disc Upgrade (for A300) (45K)
Archimedes Arthur ROM Fitting Instructions (43K)
ATAPI CD-ROM Release Note (34K)
Atom Disc Pack (10M)
Backplane installation Leaflet (for A300) (56K)
Connecting up an Acorn Access network (369K)
Duet - Medusa 2nd ARM Processor Functional Specification (128K) and Circuit Diagram (389K)
Econet Level II, III and FileStore Error Codes (268K)
Ethernet 3 Expansion Card User Notes (35K)
Ethernet 3 Expansion Card installation addendum (28K)
Expansion card installation instructions (67K)
Fast A500's (265K)
Fitting an Econet module (72K)
FLEX for Acorn 6809 Systems (64K)
Hard Disc Upgrade AKD52 For the Archimedes 300 series (7K)
Home Office with the Risc PC (58K)
Home Office your step-by-step guide (266K)
Important Information on the Risc PC 486 Card (77K)
Important Warranty Information (for RiscPC) (33K)
Installing the network card - A5000 (207K)
Installing the network card - Acorn Risc PC (20K)
Joysticks for the BBC Microcomputer Model B (63K)
Learning Curve PC Emulator (V1.7) Release Note (76K)
Master Series battery Unit Issue 1 (11K)
Master Series Battery Unit Issue 3 (147K)
Master Compact Configuration Status (66K)
Master Series Econet module fitting instructions (245K)
Memory Board Technical Manual (233K)
MIDI Implementation Chart (32K)
MIDI Release Note Oct89 (16K)
PC Card release Note (150K)
PhotoCD Sample Application (837K)
Podule Release Note (for Arthur OS) (12K)
PC Emulator Installation Leaflet (258K)
Replay Compression Process Overview (16K)
RISC OS 3 hardware upgrade fitting instructions (357K)
RISC OS 3 Release Note (Version 3.10) (319K)
RISC OS 3 Release Note (Version 3.11) (518K)
RISC OS 3 (version 3.60) Release Note (300K)
RISC OS 3.60 Release Note Addendum (43K)
RISC OS ROM upgrade kit installation and configuration instructions (310K)
RISC OS ROM upgrade kit installation and configuration instructions Addendum (55K)
RISC OS 3 Software upgrade fitting instructions (492K)
RISC OS 3 software upgrade fitting instructions: Errata (76K)
RiscPC 600 CD Release Note (220K)
RiscPC Release Notes (411K)
ROM software for the BBC B and B+ (110K)
ROM software on the Master Compact (127K)
SCSI and CD-ROM Filing System Release Note (Feb 93) (312K)
SCSI and CD-ROM Filing System Release Note (Feb 94) (146K)
Second Floppy Disc Drive installation Leaflet (for A300) (66K)
Software tested and Working on StrongArm (56K)
Special Access Upgrade Pack Release Note (138K)
Speech upgrade instructions (4M)
StrongARM card and RISC OS 3.7 Upgrade Instructions (573K)
System Computer Catalog (18M)
Testing Econet Interfaces (40K)
The DNFS instruction booklet (252K)
The Home Office (51K)
The Learning Curve "Getting Started" (10K)
The Virus Protection Scheme (30K)
Tube Podule circuit diagram (31K)
Upgrading MIDI ROMs to version 3.14 (89K)
User Port / MIDI expansion card (for A3000) (9K)