Specifications

SQ: 5-53
RS3: Service Quick Reference Guide
Consoles
SCSI Card LEDs (continued)
LED Meaning
DS12
(Yellow)
Hard disk access. A command is being issued to the hard disk.
DS13
(Yellow)
Indicates a command is being issued to the tape drive.
DS13 will blink every second as the tape drive is monitored for tape
insertion or removal.
DS14
(Yellow)
Indicates cache memory on the SCSI board is being accessed. The
most recently used disk sectors are stored in cache memory.
SCSI Board 2 (1984-3301-0001) ID Jumper Setting
SCSI Device ID
Put J umper On Used For
0 HD0 Card Cage A
1 HD1 Card Cage B
2 HD2 Card Cage C
SCSI Board 2 (1984-3301-0001) Bus Terminal Jumper Setting
HD3
Action
1--2 Enabled (disk -only console)
2--3 Disabled (Normal setting)