80 track upgrade for Texas Instruments Floppy Disk Controler (PEB card)
Store/Computers and Consoles/Classic Computers/Texas Instruments & compatibles/TI-99/4A/Hardware/Repair/Trade-in
$83.00
Optional DSR ROMs DSK1/DSK2/DSK3
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80 track upgrade for Texas Instruments Floppy Disk Controler (PEB card)
Store/Computers and Consoles/Classic Computers/Texas Instruments & compatibles/TI-99/4A/Hardware/Repair/Trade-in
Product Details
I remove the two soldered DSR ROM chips from your controller, install sockets and optionally install the DSR ROM replacement for 80 track support.
80 tracks are used for 3.5" drives or GOTEK to get up to 360k per disk on the TI controller (normally limited to DSSD/40 track 180k)
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