System Board Components And Jumpers - IBM LS20 - BladeCenter - 8850 Installation And User Manual

System board components and jumpers

The following illustration shows the system-board components, including connectors
for user-installable options, for the blade server.
The following illustration shows the jumpers on the system board.
BIOS backup page (J16)
14
AMD Opteron LS20 Type 8850 for IBM BladeCenter: Installation and User's Guide
I/O expansion option I/O expansion option
connector (J10) connector (J13)
SCSI connector 1
(J12)
SCSI connector 0
(J11)
1 2 Normal
operation
3
4
2
1
Start from
3 backup
4
BIOS image
Battery (BH1)
DIMM 1 (J31)
DIMM 2 (J30)
DIMM 3 (J4)
DIMM 4 (J2)
WOL bypass (J15)
3
Normal
4
operation
2 1
3
4
Disable WOL
2 1
Microprocessor 1
and heat sink
Microprocessor
socket 2 and
heat sink filler
Control panel
connector