Difference between revisions of "DEC bootstrap device codes"

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(A good start for a comprehensive list)
 
(Add CR, MS codes)
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{| class="wikitable"
 
{| class="wikitable"
 
! Code !! Controller !! Device !! Description
 
! Code !! Controller !! Device !! Description
 +
|-
 +
| CR || [[CR11]] || - || Punched card
 
|-
 
|-
 
| CT || [[TA11]] || [[TU60]] || Casette [[magnetic tape]]
 
| CT || [[TA11]] || [[TU60]] || Casette [[magnetic tape]]
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| DY || [[RX211]] || [[RX02]] || High-density [[floppy drive]]
 
| DY || [[RX211]] || [[RX02]] || High-density [[floppy drive]]
 
|-
 
|-
| MM || [[TM02]] || [[TU16]] || [[Magnetic tape]]
+
| MM || [[TM02]] || [[TU16]]/[[TE16]] || [[Magnetic tape]]
 +
|-
 +
| MS || Various || [[TS04]]/[[TU80]] || [[Magnetic tape]]
 
|-
 
|-
 
| MT || [[TM11]] || [[TU10]]/[[TS03]] || [[Magnetic tape]]
 
| MT || [[TM11]] || [[TU10]]/[[TS03]] || [[Magnetic tape]]

Revision as of 15:47, 12 January 2018

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 - Punched card
CT TA11 TU60 Casette magnetic tape
DB RH11/RH70 RP04/RP05/RP06
RM02/RM03
Removable cartridge disk
DD DL11 TU58 Casette magnetic tape
DK RK11 RK03/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/RS04 Fixed-head disk
DT TC11 TU55/TU56 DECtape magnetic tape
DU Various RD51/RX50/RC25
RA80/RA81
Fixed disk
DX RX11 RX01 Low-density floppy drive
DY RX211 RX02 High-density floppy drive
MM TM02 TU16/TE16 Magnetic tape
MS Various 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