Power supply tests, Processor tests, Sensor tests – Apple Xserve Diagnostics User Manual
Page 34: Usb tests, Video controller tests

34
Appendix
AXD Tools Test Reference
Power Supply Tests
Processor Tests
Sensor Tests
USB Tests
Connect USB devices before running USB tests.
Video Controller Tests
Test
Estimated completion time
Description
Good Bit
1 second
Checks if the power supply’s good bit
is set. If it’s not set, this could indicate
that the power supply isn’t seated
well, is bad, or that there’s no AC
connected.
Quick
5 seconds
This is available only if you have more
than one power supply. This turns off
the redundant power supplies so that
only one power supply is used.
Test
Estimated completion time
Description
L1 Cache Test
1 second
Verifies that the L1 cache is good on
all processor cores
Test
Estimated completion time
Description
Sensor Reads
1 second
Verifies that the sensor reads are
within the preset sensor limits
Test
Estimated completion time
Description
Presence
1 second
Verifies that a USB device is connected
Test
Estimated completion time
Description
PCI-E 8 LinkWidth Verification
1 second
Verifies PCI link width is 8
Framebuffer Address as Data
2 minutes
Tests the framebuffer using
framebuffer addresses as data