Chapter 4 Troubleshooting Procedures 4-3
Action
● Replace the drive indicated by the failure message. The operating system
identifies the internal drives as shown in
TABLE 4-1.
Note – The # symbol in the operating environment address examples can be a
numeral between 0 and 7 and describes the slice or partition on the drive.
Symptom
Hard drive, CD-ROM, or DVD-ROM drive fails to respond to commands.
Action
Test the drive response to the probe-ide command as follows:
1. To bypass POST, type setenv diag-switch? false at the system ok prompt.
2. At the system ok prompt, type:
■ If the hard drive responds correctly to the probe-ide command, the message
shown in
CODE EXAMPLE 4-4 on page 4-7 is displayed, which means that the
system EIDE controller has successfully probed the device. This is an indication
that the motherboard is operating correctly.
■ If an optional hard drive is installed and one drive does not respond to the EIDE
controller probe but the other does, replace the unresponsive drive.
TABLE 4-1 Internal Drives Identification
Operating
Environment
Address
Drive Physical Location and
Target Cable Labels
Required Riser Board
Connection
c0t0d0s# Primary hard drive,
target 0
Primary HDD IDE1, J504
*
* A three-way cable connects the Primary Hard Drive, and the CD-ROM or DVD-ROM to the riser board at
connector IDE1, (J504). See the illustrations in Section 7.3, “Hard Drives” on page 7-6.
c0t6d0s# CD-ROM or DVD-ROM
drive, target 1
CD/DVD IDE1, J504
*
c0t1d0s# Secondary hard drive,
target 2(optional)
Secondary HDD IDE2, J503
ok% reset-all
ok% probe-ide
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