Nortel HMS400, Руководство по обслуживанию

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April
2006
.
CAUTION
Risk of equipment damage and data corruption
Use extreme care when installing a DIMM. Too much pressure
can damage the socket. DIMMs are keyed and can be inserted in
only one way.
Result : The plastic ejector levers close automatically indicating correct installation.
Replacing the CPU
Introduction
The HMS 400 server’s motherboard provides two connectors for Xeon processor chips, but only
one is populated for HMS 400. For a single-CPU configuration, the CPU must be installed on the
CPU1 connector. A processor terminator board is not required.
CPU replacement package contents
The CPU assembly package contains the following:
•
2.0 GHz AT 400 MHz FSB microprocessor with 512 kbytes of L2 cache memory
Note: A higher frequency microprocessor may be provided if the above-mentioned frequency
becomes obsolete.
•
heat sink with guides and clips
•
syringe containing heat sink grease
•
heat sink housing
•
fan
. WA
WARNING
Risk of equipment damage
The microprocessor is extremely sensitive to electrostatic
discharge (ESD) and requires careful handling to avoid static
damage. To prevent ESD, perform the replacement at an ESD
workstation or use an ESD wrist strap.
To remove the faulty CPU
.
CAUTION
Risk of electrical damage
Wear an antistatic ESD wrist strap during the CPU
replacement process.
1. Prepare the server for CPU replacement as follows:
a. Shut down the server, and then disconnect the power and peripheral device cables.
b. Place the server on its side.
c. Remove the side cover.
d. Remove the upper fan holder foam.
Nortel Hospitality Messaging Server 400 -131-
Maintenance Guide