| Texas Instruments TI-99/4A computer from 1981 | |
| CPU: | 16-bit TMS9900 @ 3.0MHz |
| RAM: | 48KB (16KB + 32KB expansion RAM) |
| Floppy Drives: | 1 full height SSSD |
| Ports: | RGB video, 2 joystick ports, cartridge slot, expansion slot |
| OS: | ROM BASIC |
| Serial Number: | 40004668 |
| Notes: | This system, the expansion box and a box of manuals were donated by John McDermott. The expansion box contains the 32KB RAM upgrade, an RS-232 card, the disk interface and the floppy drive. I had to make a video cable for it, and found power adapters for sale at Hosfelt Electronics. |
