DDI-1DR Disk Controller
From The Dragon Archive
Description
A DragonDOS compatible disk controller by P.N.P. Communications.
DDI-1DR Interface Pictures
IC Parts Lists
DDI-1DR Board IC list (with Datasheets)
Part Number | Description | Datasheet |
2764 | 8Kb EPROM | (pdf) |
7407 | Hex Buffers with High Voltage Open-Collector Outputs | (pdf) |
SN74LS00N | Quad 2-input positive-NAND gates | (pdf) |
SN74LS04N | Hex inverters | (pdf) |
SN74LS73N | Dual JK negative edge-triggered flip-flop | (pdf) |
SN74LS139AN | Dual 2-line to 4-line decoders / demultiplexers | (pdf) |
SN74LS273N | Octal D Flip-Flop with clear | (pdf) |
TMS2797NL | Floppy Disk Formatter/Controller | (pdf) |
ULN2003AN | High-voltage High current Darlington transistor array | (pdf) |
ROM
- SuperDOS E6 (zipped .ROM file)