Product data

Download Microcode to a Disk Drive or to a SCSI Interface Card
The procedure for downloading microcode is similar for disk drives and for SCSI
interface cards. For some configurations, additional actions are needed for SCSI
interface cards (see also Microcode Maintenanceon page 28).
Downloading to Disk Drives
1. Go to the using system, select Diagnostic Operating Instructions, and follow the
instructions to select the Function Selection menu.
2. Select Task Selection.
3. Select the Download Microcode.
4. Select Device, and follow the instructions given.
Downloading to SCSI Interface Cards
Do the actions given in Table 2.
Table 2. How to Download Microcode to a SCSI Interface Card
Configuration Action
One SCSI interface card. Download as described in Downloading to Disk
Drives.
Two SCSI interface cards, but only one is
connected to a SCSI attachment.
1. Download as described in Downloading to
Disk Drives.
2. Stop all I/O to the disk drive modules that
are in this enclosure.
3. Swap the SCSI cable to the other SCSI
interface card
4. Download as described in Downloading to
Disk Drives.
Two SCSI interface cards. Both are connected
to SCSI attachments (AIX
version 4.3.3).
1. Download to one SCSI interface card as
described in Downloading to Disk Drives.
2. Download to the other SCSI interface card
as described in Downloading to Disk Drives.
Two SCSI interface cards. Both are connected
to SCSI attachments (AIX version above 4.3.3).
Download as described in Downloading to Disk
Drives.
If you want to check whether the microcode has downloaded successfully select, from
the AIX Diagnostics Functions, Display Hardware Vital Product Data to display the
existing microcode level (ROS Level and ID).
136 2104 Service Guide