PSE Computers Disk Controller
From The Dragon Archive
An almost 1:1 clone of the original Dragon DOS disk controller, by PSE Computers.
Pictures
Parts List
PSE Computers Disk Controller Board IC list (with Datasheets)
Part Number | Description | Datasheet |
2764 | 8Kb EPROM | (pdf) |
SN7416N | Hex inverter buffers/drivers with open-collector high-voltage outputs | (pdf) |
SN7417N | Hex buffers/drivers with open-collector high-voltage outputs | (pdf) |
SN74LS00N | Quad 2-input positive-NAND gates | (pdf) |
SN74LS04N | Hex inverters | (pdf) |
SN74LS74AN | DUAL D-TYPE POSITIVE EDGE-TRIGGERED FLIP-FLOPS WITH PRESET AND CLEAR | (pdf) |
SN74LS139N | DUAL 1-OF-4 DECODER/DEMULTIPLEXER | (pdf) |
SN74LS174N | Hex/Quadruple D-Type Flip-Flops With Clear | (pdf) |
WD2797PL-02 | Floppy Disk Formatter/Controller | (pdf) |