IBM 7015-R50, Installation And Service Manual

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2-26
Service Guide
System Boot
This command enables you to begin boot activity.
Enter
6
in the main menu to select this option. The following screen is displayed:
SYSTEM BOOT
0> BOOT FROM LIST
1> BOOT FROM NETWORK
2> BOOT FROM SCSI DEVICE
SELECT [x:exit]:
The menu enables you to boot in three different ways:
•
Enter
0
to boot from the normal or service boot list, after completing all the maintenance
activity. The normal or service boot list is used, depending on the key mode.
•
Enter
1
to boot from a network. A network boot menu is shown.
•
Enter
2
to boot from a SCSI device. A menu enables you to specify the SCSI device
using the location code.
•
At this point, a BOOT FROM SCSI DEVICE screen appears. This displays the PRESENT
DEVICE LOCATION CODE. If it is not the device you want to boot from, go through each
option, and change it to the desired BUS, SLOT, SCSI ID, and LUN ID. Option 4 allows
you to change all these options at once. The BOOT FROM SCSI DEVICE screen is
similar to the following:
BOOT FROM SCSI DEVICE
PRESENT DEVICE LOCATION CODE:
(Drawer – Bus#/Slot# – Connector – SCSI ID/LUN) 00070030
COMMANDS: 0> CHANGE BUS#
1> CHANGE SLOT#
2> CHANGE SCSI ID
3> CHANGE LUN ID
4> CHANGE DEVICE LOCATION CODE
5> BOOT FROM SELECTED DEVICE
SELECT [x:exit]:
For the following, perform either steps 1-4 and 6 (commands 0-3 and 5 ) or steps 5 and 6
(commands 4 and 5):
1. Enter
0
to select the bus identification number. The system displays:
BUS# [0>Internal | 1>External or x: exit]
BUS 0 represents Micro Channel bus 0 in the 7015 R30, R40, and R50. BUS 1
represents Micro Channel bus 1 of the 7015 R30, R40, and R50.
Enter your choice. The displayed location code is updated.