| Name | TM-990/189 |
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| Manufacturer | Texas Instruments Inc. (USA) | Type | Training Card/SBC |
| Production start (mm-yyyy) | 1978 | Production end (mm-yyyy) | - 1981 |
| RAM | 1Kb | ROM | 4Kb |
| CPU | 9900 - 2 Mhz | ||
| Operating System | |||
| Text (Cols x Rows) | 10 x 1 | ||
| Graphics | |||
| Sound | |||
| Storage memory | |||
| Serial port | RS232 (optional) | Parallel port | |
| Others port | |||
| Original price | Currency original price | 0 | |
| Units sold | |||
| Note | |||
| Configurations | |||
| User | webmaster | ||
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