Difference between revisions of "DEC bootstrap device codes"
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| DT || [[TC11 DECtape controller|TC11]] || [[TU55 DECtape Transport|TU55]]/[[TU56 DECtape Transport|TU56]] || [[DECtape]] | | DT || [[TC11 DECtape controller|TC11]] || [[TU55 DECtape Transport|TU55]]/[[TU56 DECtape Transport|TU56]] || [[DECtape]] | ||
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− | | DU || Various || [[RD51]]/[[RX50]]/[[RC25]]<br>[[RA80]]/[[RA81 disk drive|RA81]] || Fixed disk | + | | DU || Various || [[RD51]]/[[RD52]]/[[RD53 disk drive|RD53]]/[[RD54]],[[RX50]]/[[RC25]]<br>[[RA80]]/[[RA81 disk drive|RA81]]/[[RA82 disk drive|RA82]] || Fixed disk |
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| DX || [[RX11 floppy disk controller|RX11]] || [[RX01/02 floppy drive|RX01]] || Low-density [[floppy drive]] | | DX || [[RX11 floppy disk controller|RX11]] || [[RX01/02 floppy drive|RX01]] || Low-density [[floppy drive]] | ||
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− | [[Category: PDP- | + | [[Category: PDP-11 Software]] |
Latest revision as of 18:53, 16 November 2023
DEC bootstrap ROMs for the PDP-11s, from the M9301 ROM on, allowed use of a symbolic device name to specify a device to boot from, when using the console emulator function.
These codes included (not all were supported by all ROMs):
Code | Controller | Device | Description |
---|---|---|---|
CR | CR11 | CR11 Card Reader | Punched cards |
CT | TA11 | TU60 | Casette magnetic tape |
DB | RH11/RH70 | RP04/RP05/RP06 RM02/RM03 |
Removable cartridge disk |
DD | DL11 | TU58 | DECtape II |
DK | RK11 | RK02/03/RK05 | Removable cartridge disk |
DL | RL11 | RL01/RL02 | Removable cartridge disk |
DM | RK611 | RK06/RK07 | Removable cartridge disk |
DP | RP11 | RP02/RP03 | Removable cartridge disk |
DS | RH11/RH70 | RS03/04 | Fixed-head disk |
DT | TC11 | TU55/TU56 | DECtape |
DU | Various | RD51/RD52/RD53/RD54,RX50/RC25 RA80/RA81/RA82 |
Fixed disk |
DX | RX11 | RX01 | Low-density floppy drive |
DY | RX211 | RX02 | High-density floppy drive |
MM | TM02 | TU16/TE16 | Magnetic tape |
MS | TS11/TU80K | TS04/TU80 | Magnetic tape |
MT | TM11 | TU10/TS03 | Magnetic tape |
MU | Various | TU81/TK50 | Magnetic tape |
PR | PC11 | PC05 | High-speed paper tape |
TT | DL11 | Various | Serial line, low-speed paper tape, etc |