Start SYSGEN.
If you intend to modify a default configuration group, use the KEEP
command to make a copy of the group with a new name.
(In steps 8, 9, and 10 you will modify the copy in order to
preserve an uncorrupted version of the current configuration.)
Enter the BASEGROUP command to activate the base group you want to modify.
For example, to modify a base group named CONFG935, enter:
sysgen>BASEGROUP CONFG935
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In general, you use a group like CONFG935 once when the system
is first installed and then never again. SYSGEN's default action of
using the group that was used to boot the system is
correct most of the time.
Enter I/O at the
sysgen> prompt to start the I/O Configurator.
Use the LCLASS, LDEV, and
LPATH IO configurator commands (with the
OFFLINE parameter) to get current
I/O configuration information. For example:
io>LCLASS DEST=OFFLINE
io>LDEV DEST=OFFLINE
io>LPATH DEST=OFFLINE
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Enter the OCLOSE command to close and
print the configuration lists.
Review the LDEV listing and choose an unused LDEV for the HP-IB
drive you are adding.
Review the LCLASS listing and choose a class for the HP-IB drive. If
your system has a DISC class, use that. (You may also enter other
class names; each device can simultaneously belong to up to eight classes.)
If you use a name that does not exist, SYSGEN creates a class for you.
Class names may not exceed eight characters and must begin with an alphabetic
character.
Use the APATH command to define the path to the device-adapter level.
For example, suppose your customer engineer installed a new HP-IB card
(ID number, HP27113A) in the CIO expander (CA 36) on
channel adapter 2 in device adapter slot 2. To define the path, enter:
Use the ADEV command to add the drive to the path you specified. Be
sure to include the device address.
For example, to add the drive as LDEV 4, enter:
io>ADEV LDEV=4 PATH=36.2.0 ID=HP7937H CLASS=DISC
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Enter the HOLD command to hold all changes.
Enter the EXIT command to exit the I/O Configurator.
At the sysgen> prompt, enter the KEEP command and a group name to
save changes in a permanent file.
Create a system load tape (SLT), store it in a secure location
with any other backup materials, and reboot the system. Read
''To create system load tapes'' in Chapter 2 for more information.
Refer to Chapter 1 “Starting the System” for rebooting instructions.
