Display Test Patterns
This service aid provides a means of adjusting system display units by providing test
patterns that can be displayed. The user works through a series of menus to select the
display type and test pattern. After the selections are made, the test pattern displays.
Display USB Devices
The following are the main functions of this service aid:
vDisplay a list of USB controllers on an adapter.
vDisplay a list of USB devices that are connected to the selected controller.
Torun the USB devices service aid, go to the diagnostics ″TASKS SELECTION″menu,
select ″

Display USB Devices

″. From the controller list that displayed on the screen,
select one of the items that begins with ″OHCDX″, where ″X″is a number.A list of
devices attached to the controller displays.
Download Microcode
This service aid provides a way to copy microcode to an adapter or device. The service
aid presents a list of adapters and devices that use microcode. After the adapter or
device is selected, the service aid provides menus to guide you in checking the current
level and downloading the needed microcode.
This task can be run directly from the AIX command line. See the following sections for
instructions on downloading to a particular type adapter or device.
Download Microcode to PCI SCSI RAID Adapter
See the following command syntax for a PCI SCSI RAID Adapter:
diag -c -d
RAIDadapterName
-T "download [-B] [-D] [-P]"
Flag Description
-B Download boot block microcode (default to functional microcode)
-D Microcode is on diskette (default to /etc/microcode directory)
-P Download the previous level of microcode (default to latest level)
Download Microcode to a PCI-X Dual Channel Adapter
Microcode installation occurs while the adapter and attached drives are available for
use. Before installation of the microcode, ensure that there is a current backup of the
system available and it is recommended that the installation be scheduled during a
non-peak production time period.
Notes:
1. If the source is /etc/microcode, the image must be stored in the /etc/microcode
directory on the system. If the system is booted from a NIM server, the image must
be stored in the usr/lib/microcode directory of the SPOT the client is booted from.
2. If the source is diskette, the diskette must be in a backup format and the image
stored in the /etc/microcode directory.
Chapter 6. Introduction to Tasksand Service Aids 11 5