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GREAT WALL: 203
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Product number (P/N): 203,
Keywords/Tags: 203
Date of intro: 1978, Origin: China (List),
Keyboard: Micro-switch, Number of keys: 73, #Key-Black: 37, #Key-Red: 14, #Key-White: 22,
Miscellaneous switch: [DEG-RAD FL-SCI RUN-LEARN PRINT-ON JUMP-GO],
Classification: / Desktop / Memory (core),
Featuring: Scientific functions, Square root, Programmable, Logic-technology: SSI: DTL (Diode Transistor Logic), Memory-technology: Memory (core),
Resemblance with: WANG,
Known Serial-numbers: 78187812 (78 18, 78 12) (List of all S/Ns from GREAT WALL)
Collector value: 9.5/10,
Courtesy of: ZHU Peter,

!!! This item is WANTED to join the collection !!!

Item

Internals (keyboard)
(Courtesy of: ZHU Peter)

Internals (keyboard)
(Courtesy of: ZHU Peter)

Internals (keyboard) / Key
(Courtesy of: ZHU Peter)

Internals (keyboard) / Switch (micro)
(Courtesy of: ZHU Peter)

Internals (power supply) / Internals (PCB) / Fan
(Courtesy of: ZHU Peter)

Internals (printer)
Prod.Date: --1978
(Courtesy of: ZHU Peter)

Internals (printer)
(Courtesy of: ZHU Peter)

Internals (printer) / Label, name plate
Prod.Date: --1978
(Courtesy of: ZHU Peter)
DY1

Internals (PCB) / Display
(Courtesy of: ZHU Peter)

Internals (PCB) / Display
(Courtesy of: ZHU Peter)

Internals (PCB)
(1)
(Courtesy of: ZHU Peter)

Internals (PCB)
(2)
(Courtesy of: ZHU Peter)

Internals (PCB)
(3)
(Courtesy of: ZHU Peter)

Internals (PCB) / Memory (core)
(3): Closeup
(Courtesy of: ZHU Peter)

Internals (PCB) / Memory (core)
(3): Closeup
(Courtesy of: ZHU Peter)

Internals (PCB)
Closeup 01
(Courtesy of: ZHU Peter)

Internals (PCB)
Closeup 02
(Courtesy of: ZHU Peter)

Internals (PCB)
Closeup 03
(Courtesy of: ZHU Peter)

Internals (PCB)
Closeup 04
(Courtesy of: ZHU Peter)

Internals (PCB)
Closeup 05
(Courtesy of: ZHU Peter)

Created: 10-jan-2017, Manual-update: 10-jan-2017, Batch-update: 24-jun-2025             

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