Nortel HMS400, Руководство по обслуживанию

Страница: 130 / 158

April
2006
To remove baseboard DIMMs
1. Prepare the server for DIMM 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.
.
WARNING
Risk of personal injury or equipment damage
Failure to follow the procedures in “Preparing the server for hardware
maintenance” on page 96 can result in electrical shock or equipment
damage.
2. Gently push the DIMM socket’s plastic ejector levers out and down to eject a DIMM from its
socket.
.
CAUTION
Risk of equipment damage
Use extreme care when removing a DIMM. Too much pressure can
damage the socket slot. Apply only enough pressure on the plastic
ejector levers to release the DIMM.
3. Hold the DIMM only by its edges; be careful not to touch its components or gold-edge
connectors. Carefully lift it away from the socket, and store it in an antistatic package.
4. Repeat to remove other DIMMs as necessary.
5. If you are replacing a DIMM, continue with “To install baseboard DIMMs” below.
To install baseboard DIMMs
.
CAUTION
Risk of equipment damage and data corruption
Use only Nortel Networks-approved DIMMs. A mixture of dissimilar
metals (from the use of non-approved DIMMs) can cause later
memory failures, resulting in data corruption
.
1. Prepare the server for DIMM installation
.
WARNING
Risk of personal injury or equipment damage
Failure to follow the procedures in “Preparing the server for
hardware maintenance” on page 96 can result in electrical shock
or equipment damage.
2. Hold the DIMM only by its edges when you remove it from its antistatic package.
3. Compare the length of the gold edge connectors on the DIMM with the socket, and align them
accordingly.
4. Press the DIMM firmly down until it clicks into place inside the socket.
Nortel Hospitality Messaging Server 400 -130-
Maintenance Guide