Apple Mac Pro (Memory DIMMs Replacement) Manuel d'utilisateur télécharger pdf (Page 9)

073-1246 Rev. B 9

Memory

Diagnostic LEDs

Important: The quad-

core and 8-core processor

boards include a set of

diagnostic memory LEDs.

After re-installing or

replacing a DIMM, always

use the LEDs to verify the

DIMM is correctly seated.

To verify your DIMM

installation, do this:

Start up the 1

computer.

Remove the side 2

access panel.

Check the bank of 3

memory LEDs.

An illuminated, red

LED indicates its

associated DIMM may

be poorly seated or

failed.

If you see a red 4

LED, refer to “How

to Troubleshoot

Memory LEDs” on the

next page.

Note: Apple System

Proler does not report

unseated or failed

memory. You must use the

memory LEDs to locate

DIMM issues.

Quad-Core LEDs

8-Core LEDs

1 2 3 4 5 6 7 8 9 10

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Apple Mac Pro (Memory DIMMs Replacement) Manuel d'utilisateur Page 9