6502 2nd Processor
Issue 4 2/84 ECO 360
Ref. A1/108,000/C
80186 Co-Processor
Issue 1 23/4/86
Ref. 0143,200/C
PDF
GIF TIFs
Chris Richardson
Acorn 1770 Logic schematic
Atom - BBC BASIC Conversion Card
Issue 1, 06/82
Ref. 102,007C
Atom - 50Hz TV Converter
Issue 1 28/01/81
Ref. 102,003/C
Atom - Econet Node
Issue 1 27/1/81
Ref. 202,002
Atom - Issue 1 13/05/80
Ref. 202,000/C
Atom - Issue 3 14/01/81 Prelim Issue
Ref. 202,000/C
Atom - Issue 3 14/01/81
Ref. 202,000/C
Atom - Pal Encoder
Issue 1 31/12/80
Ref. 202,001/C
BBC B - Issue 9 7/83
ECO 121 (split)
Ref. 103,000/C
BBC B - Issue 9 7/83
ECO 121
Ref. 103,000/C
BBC Micro
16-Bit IDE Interface
BBC Micro
8-Bit IDE Interface
Disc Drive 40/80
Track stepping
Econet Clock and Terminator box
Econet Module
Issue 2 3/9/86
Ref. 0143,020/C
Master 128
Including Cartridge slot,
Econet,
Keyboard
Master Compact - Issue 2
Ref. 0158,000/C
Music 2000 Midi Interface
SCSI Exerciser PCB
Circuit Diagram
Issue 1 9/86
Ref No. 0166,100
SCSI Host Adaptor Master Series Internal Interface (BBC AIV)
Issue 2 29/10/86
Ref. 0161,000/C
System 1- Issue 1
ref 200,000/C 23/02/79
System 1 Keyboard,
Display, Cassette - Issue 1
ref 200,001/C 26/02/79
System 2 - 6809 Processor Card
Issue 2
ref 200,018/C 7/2/80
System 2 - Econet Eurocard
Issue 2
ref 200,024 27/1/81
System 2 - Floppy Disc Controller
Issue 1, Eurocard
ref 200,004/C 7/2/80
System 2 - Memory Board 8k RAM &
8k PROM Issue 1, Eurocard
ref 200,003/C 29/08/79
System 2 - VDU Interface PCB
(Teletext) Issue 1, Eurocard
ref 200,002/C 29/08/79
System 2 - Versatile Interface Board
Issue 2
ref 200,009/C 3/3/80
Z80 CoPro - Issue 3 4/84 ECO 403
Ref. A1/0109,000/C
