Nixdorf CT22
Description[edit | edit source]
 | |
| Part number | 1229-HA |
|---|---|
| Manufacturer | Cherry / Nixdorf |
| Keyswitches | Cherry MX Black / Cherry MX Linear Grey |
| Interface | AT keyboard interface |
| Years of production | 1989 |
The Nixdorf CT22 is a rebranded Cherry G80-1000 Keyboard. Its reference number is stated as 1129HA.
The keycaps are doubleshot with slightly darker coloring than the typical gray Cherry modifiers<ref name=":0">https://deskthority.net/viewtopic.php?t=17091</ref>. The CT22 supports N-key rollover through AT/PS2 and 6-key rollover through an USB adapter. It features PCB mounted Cherry MX Black switches on all keys, except the spacebar which is a Cherry MX Linear Grey switch with ~20g heavier actuation than the Black switches. All switches are paired with diodes to allow NKRO. Under the "Nixdorf Computer" logo there are the typical green status LEDs. The only known production date of this keyboard is 1989.
Documented layouts of the Board include (PCB reference number):
- HAD (German Layout, ISO)
- HAE (Spanish Layout, ISO)<ref name=":0" />
Gallery[edit | edit source]
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Back of keyboard / label -
Production date of case (7th month of 89) -
PCB -
PCB mount switches with diodes on 1129 PCB -
Closeup of PCB -
Closeup / PCB labels -
Closeup of switch with diode
References[edit | edit source]
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