Type: | 16-bit home computer |
CPU: | TMS9900 @ 3.3 MHz |
Operating system: | TI Basic |
Memory: | ROM: 26 KB RAM: 256 Bytes (Expandable to max 52 KB) VRAM: 16 KB |
Sound: | 3 tones, 5 octaves plus noise (TMS9919) |
Graphics: | Max 256*192 pixels, 16 colors (PAL/SECAM: TMS9929A) (NTSC: TMS9918A/TMS9928A) |
Storage: | Tape recorder Optional floppy drive in the optional PEB (Peripheral Expansion Box) |
Input: | Integrated keyboard |
I/O ports: | Game/joystick port, Cassette interface, expansion port Cartridge slot, Composite video and TV/RF output, audio output |
Voltage: | 5 and 16 V from external transformer |
Power consumption: | |
Dimensions (W*H*D): | 381*71*259 mm |
Weight: | 2.2 Kg |
Manufactured: | 1983-1984 (Discontinued) |
Other: | An updated version of the all plastic beige TI-99/4A. Both the motherboard and power supply were improved, and the number of IC's on the motherboard were reduced from 42 to 35. The "QI" designation could be seen on the motherboard but not anywhere on the console itself. |
Related documents: | |
Modifications: | |
Notable "ham" software: | |