IBM 8862 Hardware Maintenance Manual - Page 30

connectors

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DIMM LEDs power. After ac power has been removed from the server, power remains available to these LEDs for up to 12 hours. After 12 hours, you must reinstall the microprocessor tray and turn on the server to supply power to the LEDs. To reinstall the microprocessor tray, reverse the preceding steps. Complete the following steps to view the DIMM LEDs: Note: The lit LEDs light the connector retaining clips; look for a lit retaining clip to locate a failed DIMM. 1. Turn off the server and all peripheral devices. 2. Slide the server out of the rack cabinet. 3. Open the top cover. a. The following illustration shows the internal connectors and LEDs on the 8-DIMM-connector memory board in the memory cassette. DIMM 4 error LED DIMM 3 error LED DIMM 2 error LED DIMM 1 error LED DIMM 5 error LED DIMM 6 error LED DIMM 7 error LED DIMM 8 error LED DIMM connector 1 DIMM connector 2 DIMM connector 3 DIMM connector 4 DIMM connector 8 DIMM connector 7 DIMM connector 6 DIMM connector 5 20 IBM xSeries 365 Types 8861, 8862: Hardware Maintenance Manual and Troubleshooting Guide

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power.
After
ac
power
has
been
removed
from
the
server,
power
remains
available
to
these
LEDs
for
up
to
12
hours.
After
12
hours,
you
must
reinstall
the
microprocessor
tray
and
turn
on
the
server
to
supply
power
to
the
LEDs.
To
reinstall
the
microprocessor
tray,
reverse
the
preceding
steps.
DIMM
LEDs
Complete
the
following
steps
to
view
the
DIMM
LEDs:
Note:
The
lit
LEDs
light
the
connector
retaining
clips;
look
for
a
lit
retaining
clip
to
locate
a
failed
DIMM.
1.
Turn
off
the
server
and
all
peripheral
devices.
2.
Slide
the
server
out
of
the
rack
cabinet.
3.
Open
the
top
cover.
a.
The
following
illustration
shows
the
internal
connectors
and
LEDs
on
the
8-DIMM-connector
memory
board
in
the
memory
cassette.
DIMM connector 1
DIMM connector 2
DIMM connector 3
DIMM connector 4
DIMM connector 5
DIMM connector 6
DIMM connector 7
DIMM connector 8
DIMM 1 error LED
DIMM 2 error LED
DIMM 3 error LED
DIMM 4 error LED
DIMM 5 error LED
DIMM 6 error LED
DIMM 7 error LED
DIMM 8 error LED
20
IBM
xSeries
365
Types
8861,
8862:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide