Reference For Openboot Diagnostics Test Descriptions; Table 2-12 Openboot Diagnostics Menu Tests - Sun Microsystems Sun Fire V440 Diagnostics And Troubleshooting Manual

Reference for OpenBoot Diagnostics Test
Descriptions
This section describes the OpenBoot Diagnostics tests and commands available to
you. For background information about these tests, see "Stage Two: OpenBoot
Diagnostics Tests" on page 15.
OpenBoot Diagnostics Menu Tests
TABLE 2-12
Test Name What It Does
Performs a checksum test on the boot PROM
flashprom@2,0
Tests the I
i2c@0,320
which includes various temperature and other
sensors located on the motherboard and on other
FRUs
Tests the on-board IDE controller and IDE bus
ide@d
subsystem that controls the DVD-ROM drive
Tests the on-board Ethernet controller, running
network@1
internal loopback tests. Can also run external
loopback tests, but only if you install a loopback
connector (not provided)
Same as above, for the other on-board Ethernet
network@2
controller
Tests communication with the ALOM system
rmc-comm@0,3e8
controller, and requests that ALOM diagnostics run
Tests the registers of the real-time clock and verifies
rtc@0,70
that it is running
Tests internal SCSI disk drives
scsi@2
Tests any external SCSI disk drives attached
scsi@2,1
Tests all possible baud rates supported by the ttya
serial@0,3f8
and ttyb serial lines. Performs internal and external
serial@0,2e8
loopback tests on each line at each speed
Tests the writable registers of the USB open host
usb@a
controller
usb@b
2
C environmental monitoring subsystem,
FRU(s) Tested
Motherboard
Motherboard, power supplies,
SCSI disks, CPU/memory
modules
Motherboard, DVD-ROM drive
Motherboard
Motherboard
ALOM card
Motherboard
Motherboard,
SCSI backplane,
SCSI disks
Motherboard,
SCSI cable,
SCSI disks
Motherboard
Motherboard
Chapter 2 Diagnostics and the Boot Process 47