[img] BBC/Master/etc Circuit Diagrams
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Atom:
atombasic.gif     273K 4223x3243 Atom BBC BASIC conversion card
atomeco.gif       424K 6990x4938 Atom Econet interface
BBC:
adder.gif          16K  540x400  BBC screen address adder
bbc.gif           775K 4096x2773 BBC computer
bbckbd.gif        115K 2585x1807 BBC keyboard with corrections
bbcplus.gif       957K 4096x2971 BBC B+ computer
Electron:
electron.gif      495K 4096x2971 Electron computer - still being cleaned up
Master:
compact.gif       192K 4096x2971 Master Compact computer
econet.gif         60K 2500x1800 Econet card
eprom.gif          76K 2048x1600 EPROM cartridge
master1.gif       763K 4096x2971 Master 128 sheet 1
master2.gif       688K 4096x2971 Master 128 sheet 2
Peripherals:
aviscsi.png       189K 2481x1754 Domesday SCSI AVI adapter
scsi.gif          256K 4096x2896 BBC/Master SCSI hard drive interface
BeebEx.gif        147K 3478x2444 BeebEx backplane
Second processors:
32016tube.gif     177K 2500x1800 1M 32016 external second processor
32016copro.gif   1420K 4932x3511 4M 32016 external second processor
6502copro.gif     439K 4096x2897 6502 internal CoProcessor
6502tube.gif      426K 4096x2897 6502 external second processor
80186copro.gif    758K 4096x2971 80186 internal CoProcessor
armcpu.gif        266K 4960x3500 ARM Evaluation System CPU board
armmem.gif        221K 4960x3400 ARM Evaluation System Memory board
z80tube.gif       479K 4096x2897 Z80 external second processor
cube65.png         40K 1024x702  CUBE 6502 second processor
E2P                              Electron second processor
6809                             6809 second processor
System:
6809acn.gif        81K 1715x1188 Acorn 6809 CPU card, hand drawn
6809cpu.gif        41K 1024x702  Acorn 6809 CPU card, redrawn
6809large.gif     471K 6250x4488 Acorn 6809 CPU card, hand drawn
romram.gif        931K 6589x4833 8K RAM + 8K ROM
systemfdc.gif     214K 6350x4488 8271 floppy disk interface
systemvia.gif     481K 6986x4971 6522, 6850, 8255 interface card
Torch:
keyboard.gif      298K 4096x2757 Torch keyboard
scsi1.gif         380K 4096x2867 SCSI card sheet 1
tosca.gif         296K 4096x2893 TOSCA (serial) card
z80card.gif       463K 4096x2835 Z80 card
Misc:
MIDI
Border
Display
HardDrive
IDE
LCD
Replay.gif
Misc
Monitor
Mouse
SROMs

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Last update: 12-Jun-2017