Apple Xserve Diagnostics 3X103 - USB Tests

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USB Tests

Connect USB devices before running USB tests.

Test

Estimated completion time

Description

Verify Motor +/– 10%,
10 Reads High, 20 Low

2 minutes

Verifies the minimum and maximum
fan speeds. Sets the minimum and
maximum builds within 10% of the
threshold and then does 10
consecutive reads at the maximum
and 20 at the minimum.

Verify Motor Automatically +/
– 15%

2 minutes

Verifies the minimum and maximum
fan speeds. Sets the minimum and
maximum builds within 15% of the
threshold.

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 is run on.

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

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Appendix

AXD Tools Test Reference

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