System-Board Internal Connectors And Switches - IBM x3500 - System - 7977 User Manual

System-board internal connectors and switches

The following illustrations show the internal connectors and switches on the system
board.
Remote
Supervisor
Adapter
PCI Express x8
with x8 links slot 1
PCI Express x8
with x8 links slot 2
PCI Express x8
with x8 links slot 3
See Table 2 for information about the switch settings.
14
IBM System x3500 Type 7977: User's Guide
DIMM 6
DIMM 5
DIMM 4
DIMM 3
DIMM 2
DIMM 1
Rear fan
(optional)
PCI-X slot 4
PCI-X slot 5
PCI slot 6
Wake on LAN
Wake on LAN
(CN 45)
Table 2. Switches on SW4
Switch number
1
Power 1
Power 2
Power 3
Power switch
Reserved
SW4 (Boot block/Clear CMOS)
Description
Boot block:
v Leave the switch in the off position for normal mode.
v Move the switch to the on position to enable the system
to recover if the BIOS code becomes damaged.
Internal USB tape
DIMM 12
DIMM 11
DIMM 10
IDE
DIMM 9
DIMM 8
DIMM 7
Front USB
Microprocessor 1
SAS 1 power
SAS 2 power
Microprocessor 2
SAS 1
VRM
SAS 2
Battery
ServeRAID-8k