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Edsac Replica Project - Rack Layout - Rack R5,R4,R3

By clicking on the racks in the left column, you can see up to three racks side by side. Clicking additional ones discards those in the first displayed rack. Note that if it is necessary to swap chassis to a place already occupied you can use the Bench, which should always have at least one free 'shelf'.

Click on rack id to see other racks

F1
F2
F3
F4
M1
M2
M3
R1
R2
R3
R4
R5
Coffin1
Coffin2
Bench
Power
Rack R5

Click on chassis to see more details
PositionNametype/idStatus
14Empty
13Buffers50/01In rack
12Empty
11CCU VIII57/01In rack
10Empty
9CCU I51/01In rack
8CCU IX & XI Register Clear58/01In rack
7CCU IV Arithmetic Control55/01In rack
6CCU VII59/01In rack
5Empty
4Empty
3Empty
2Empty
1Empty
Rack Wiring (under development)

Rack R4

Click on chassis to see more details
PositionNametype/idStatus
14Empty
13Multiplier Support Unit37/01In Rack
12Multiplier Tank Regen01/15In rack
11Multiplicand Shifting Unit36/01In Rack
10Multiplicand Tank Regen01/06In rack
9Empty
8Multiplicand Control Unit35/01In rack
7TCT Regen01/22In rack
6TCT Shifting Control34/01In rack
5CCU V Rounding49/01In rack
4Accumulator supportUnit69/01In Rack
3CCU III Shifting Control53/1In rack
2CCU II Mult Control52/01In rack
1Empty
Rack Wiring (under development)

Rack R3

Click on chassis to see more details
PositionNametype/idStatus
14Empty
13CCU X33/01In rack
12CCU VI32/01In rack
11Partial Product Adder26/01In rack
10Complementer Unit27/01In rack
9Collater Unit28/01In rack
8Distributing Unit 329/01In rack
7Half Adder 207/02In rack
6Half Adder 107/01In rack
5Accumulator Tank 2 Regen01/33In Rack
4Accumulator Tank 1 Regen01/32In Rack
3ASU 116/01In rack
2ASU 217/01In rack
1Empty
Rack Wiring (under development)

 

Page maintained by Bill Purvis
page last updated 5th December, 2020
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