Sun Microsystems Sun Fire X4100 - Manual (Page 118)

3-58 Sun Fire X4100 and Sun Fire X4200 Servers Service Manual • June 2006
13. Remove the flex cable and its attached foam rubber gasket from the chassis
midwall by disconnecting the cable’s four connectors from the following four
locations. See
FIGURE 3-55 .
1. DVD-ROM drive
2. Hard disk drive backplane
3. Power distribution board
4. Motherboard
Note – When reinstalling the flex cable, attach the connector to the power
distribution board (3) first. Then attach the remaining three connectors in any order.
FIGURE 3-55 Disconnecting the Flex Cable’s Four Connectors
14. Unfasten and remove the eight screws that secure the motherboard to the chassis
floor. See FIGURE 3-56 for the location of the eight screws.
15. Use an 8-mm nut-driver to remove the bus-bar nuts from the motherboard. See
FIGURE 3-56 .
Note – If you remove the HDDs from the server for any reason during this
procedure, you must return each HDD to the bay from which it was removed. Use
an adhesive note or another method to temporarily label the HDDs after you remove
them.