HP D5970A - NetServer - LCII User Manual page 22

Chapter 3
The switch setting location and functions are the same on both cages. The settings
for switch 6 determines upper and lower cage functionality. Switches 1 and 2 are
always set to Off.
Table 3-1 lists the functional settings for each switch.
Table 3-1. Switch Functions and Settings
Switch Function
2
1 I C Bus Setting
2
2 I C Bus Setting
3 High/Low Addresses
Fast-Wide (68 pin) SCSI Only
Sets SCSI addresses for upper
or lower eight addresses
4 SCSI Address Zero
Sets middle shelf in cage to
SCSI ID 0.
5 Remote Start
Determines control of the hot
swap disk module power-on
sequence.
6 Upper/Lower Cage
Identifies cage location. This is
important information for the
SCSI addresses and for the I
bus.
16
Configuring Mass Storage
Settings
Always set to Off
Always set to Off
On Sets drives to upper eight SCSI
addresses.
Off Sets drives to lower eight SCSI
addresses.
See SCSI Address Settings table below
for description of settings.
On Sets middle shelf in the cage
(shelf 2 or shelf 5) to SCSI ID 0.
Off Sets middle shelf to normal SCSI
address sequence.
See Table 3-2 for a description of SCSI
address settings.
On Internal control: Upper cage is set
to delayed start and lower cage is
set to power-on at startup.
Recommended setting.
Off Power-on sequence is determined
by the disk array controller. Not
supported by HP SCSI controller
boards.
On Lower cage
Off Upper cage
See Table 3-2 for a description of SCSI
2
C
address settings.