![background image](http://html.mh-extra.com/html/nec/express5800-140he/express5800-140he_service-manual_251225126.webp)
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4.10.9
Replacement of Main Board or Connect Board on
140Rd-4 Chassis
1.
Make sure that the power of the Server is off, and disconnect the AC cables from all the
power units.
2.
Remove the Processor and Memory Boards from the Server.
3.
Remove the rear access cover, front access cover, PCI access cover, fans, fan cage, and
power cage.
4.
Do steps 4 and 5 in Subsection 4.10.5 to separate the I/O Board from the Main Board.
To replace the Main or Connect Board, the electronics bay does not need to be removed
from the Server but the I/O Board must be separated from the Main Board with the
ejectors.
5.
For the Server of the 3.5-inch device model (3HDD model), pull out the SCSI cables for
3.5-inch devices from the HDD cage.
To replace the Main or Connect Board, the power cables for 3.5-inch devices does not
need to be pulled out from the HDD cage but the SCSI cables must be pulled out.
6.
Do step 5 in Subsection 4.10.7 to separate the SCSI-BP from the Connect Board.
To replace the Main or Connect Board, the HDD cage does not need to be removed from
the Server but the SCSI-BP must be separated from the Connect Board with the ejectors.
7.
Remove the screws (2) fixing the Main Board to the Server. Then pull out the Main Board,
Connect Board, and brackets upward to remove them from the Server.
Remove the two screws, and then lift the
board to remove it from the chassis.
Fixing screw (×2)
Содержание EXPRESS5800/140He
Страница 1: ...Nec coF S e r v i c e G u i d e EXPRESS5800 140He EXPRESS5800 140Rd 4 ...
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Страница 38: ... 22 Internal View 140Rd 4 1 Fan bay 2 Hot plug PCI slot 3 Non hot plug PCI slot 4 Power supply cage 1 2 3 4 ...
Страница 39: ... 23 Internal View 140He 1 Power supply cage 2 Non hot plug PCI slot 3 Hot plug PCI slot 4 Fan bay 1 2 3 4 ...
Страница 41: ... 25 140He same as 140Rd 4 plus the following 3 5 inch disk bay Optional hard disk bays 8 5 25 inch disk bays ...
Страница 73: ... 57 Processor board error lamp Processor VRM error lamps Processor board error lamp REAR FRONT ...
Страница 144: ... 128 8 2 3 Processor and VRM Processor 1 Processor 2 Processor 4 Processor 3 ...
Страница 153: ... 137 voltage drop and the system is restarted This is not an error ...
Страница 161: ... 145 No Error message Action 8 The firmware is erased unsuccessfully ...
Страница 163: ... 147 ...
Страница 181: ... 165 12 3 Block Diagram ...
Страница 182: ... 166 This page is intentionally left blank ...
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