For more information about Project Smurd, see Keyboard Notes.md.
- Arduino - Microcontroller source code to drive the key matrix scanner.
- Photos - Various photos of the device and its components.
- TardisBuilders - Photos of another keyboard of the same model.
- Circuit Reverse Engineering - Identification and wiring of the electronic components
- Button Matric PCB - The PCB onto which the keys are soldered is completely reverse engineered
- Logic Board Labelled - Electronic components on the logic board are identified
- Logic Board Wiring - A mostly complete trace route identification of the logic board
- EEPROM - The contents of the persistent data storage of the device.
Empros 8830-101 (ROM No 56600413 27, Aug 1992), U4 EPROM- The raw binary dump of the EEPROMEmpros 8830-101 (ROM No 56600413 27, Aug 1992), U4 EPROM.dump- A "hex dump" of the data- KeyboardOS - Artifacts from Ghidra
disassembly.html- Human-readable disassembly of the Z80 machine codedecompiled_c.html&decompiled.c- Ghidra's decompilation to C.KeyboardOS.gpr- Ghidra project fileKeyboardOS.rep- Ghidra's internal files, not human readable
| Manufacturer | Control Data Corporation and and Empros Systems International | "CDC's Energy Management Division was one of its most successful business units, providing control systems solutions that managed as much as 25% of all electricity on the planet. In 1988 or 1989, this division was renamed Empros and was later sold to Siemens as CDC broke apart.[28]" |
| Manufactured For | The National Grid Company plc Contract No. FCGCP/-/I1080 |
"Intended For..." |
| Name(s) | Operations Keyboard, Keyboard NGC | The same across at least two keyboards. |
| Equipment ID NO. | Multiple: CA312B, QSE 36444 | The same across at least two keyboards. |
| Part Number | Multiple: 56598681, 56599470 | The same across at least two keyboards. Part numbers found within the device and on the EEPROM have the form 5659XXXX. |
| HPC/EC NO. | 56598681 | The same across at least two keyboards. |
| Series Code | 01 | The same across at least two keyboards. |
| Product Model | 8830-101 | The same across at least two keyboards. |
| Known serial numbers | 1037, 1046 | |
| Firmware | ROM PART NUMBER IS 56600413 27 AUG 1992 | Data embedded in EEPROM. |
| Installation Date | 24/9/92 for serial numbers 1037 & 1046 | Installed by A. Williams? |
| Additional ID | 56598203 E EM 9146 |
Small sticker on back, top. The same across at least two keyboards. |