Texas Instruments TI-99/4A
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The Texas Instruments TI-99/4A home computer was supplied with a variety of internal keyboards from different manufacturers.
Keyboards
- Alps Electric, made in Japan, with Alps SKCC series switches[1][2]
- Futaba–Sejin Electron with Futaba MD series switches or Futaba sealed linear switches[3][4][5]
- General Instrument; the switches are likely to be General Instrument Series S950[2]
- Hi-Tek:
- (Part 100511 D) Flat-top Hi-Tek High Profile[6]
- (Part 373-70229B) Waffle frame Hi-Tek High Profile[7]
- Hi-Tek Dovetail Series switches[8]
- Mitsumi, using Mitsumi KSD Type; keyboard part number is KSD-A46YN[8]
- Stackpole, with green-slider Stackpole switch grid[9][10]
References
- ↑ MainByte Software — TI-99 Keyboard
- ↑ 2.0 2.1 Deskthority — Keyboard mystery: Alps 12KC018A for TRS-80 Model III
- ↑ KbdBabel — KbdBabel Matrix Scanner
- ↑ nIGHTFALL Blog — Texas Instruments TI-99/4A with some Extra Accessories
- ↑ Deskthority - TI-99/4A with Futaba sealed linear switches
- ↑ AtariAge Forums — Black keyswitch style TI99/4a keyboard (non membrane) - Wanted
- ↑ Deskthority — Hi-Tek keyboard
- ↑ 8.0 8.1 YouTube — TI-99/4A mylar keyboard repair
- ↑ Flickr — TI-99/4A Keyboard Switches | Keyboard contacts | briantw
- ↑ YouTube — Texas Instruments TI-99/4A key review (Stackpole switch grid)
