HP 98568A Installation Instruction page 418

HP 98720A Graphics Display Station
Table 8-9.
HP 98720A
Set to External Addressing Mode (Select Code 26-27, 28-29,
30-31)
Device Name
HP 98720A, select code 26-27, image
planes
HP 98720A, select code 26-27,
overlay planes
HP 98720A, select code 28-29, image
planes
HP 98720A, select code 28-29,
overlay planes
HP 98720A, select code 30-31, image
planes
HP 98720A, select code 30-31,
overlay planes
8-24
Adding Plotters & Other
Graphics Devices
Path
Name
/dev/crt
/dev/ocrt
/dev/crt
/dev/ocrt
/dev/crt
/dev/ocrt
File Major
Type
Number
c 12
c 12
c 12
c
12
c 12
c 12
Minor
Number
Ox1a0200
Ox1a0201
Ox1c0200
Ox1c0201
Ox1e0200
Ox1e0201