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This is the recovered Machine Room from 2005. Please don't expect wonders. The look and feel of this site is nine years old, and so is its code. Some of the functionality has been recovered while the rest of the site is modernised and restructured. Watch this space!
Top :: Browse :: Tandy Radio Shack :: TRS-80 Model IV

Tandy Radio ShackTRS-80 Model IV

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240x174 JPEG file (17 KiB). Contributed by alexios (more pictures like this). Unrated (0 votes).
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Entry quality: 0 | Rate this entry: Unrated (0 votes). | 5273 hits | Admin: alexios
No known owners (I still own one | I used to own one). I have seen one.
Search Google or Ebay United States for Tandy Radio Shack TRS-80 Model IV (more links, auctions & searches)
Other series members
TRS-80, TRS-80 Model 12, TRS-80 Model 16, TRS-80 Model 2000, TRS-80 Model 4P, TRS-80 Model II, TRS-80 Model III, TRS-80 Model IV, TRS-80 Model 16B, TRS-80 Model 4D.
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Emphasis Business, Programming
Software compatibility CP/M 2, DOSPLUS 4, LS-DOS 6, MULTIDOS, NEWDOS/80, TRS-80, TRS-DOS
Timeline Released: April 1983
CPU type Z80A
CPU word length 8 bits
CPU clock rate 4 MHz
ROM Size 14 KiB
RAM Size 16 KiB
Maximum RAM Size 256 KiB
Number of keys 83
Dimensions 40.0 x 38.0 x 38.0 cm (15.7 x 15.0 x 15.0 in)
Weight 11 kg (24.3 lb)
Graphics modes 128x48, 160x72, 64x48
Text modes 32x16, 64x16, 64x40, 80x24
Total number of colours 2
Total peripheral memory 184 KiB, 368 KiB, 736 KiB
Cassette tape speed 500 bps, 1,500 bps
I/O Ports Expansion, Floppy, Parallel, RS-232, Tape recorder

More technical info...