IBM x3500 User Guide - Page 28

System-board, internal, connectors, switches - internal usb

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System-board internal connectors and switches The following illustrations show the internal connectors and switches on the system board. DIMM 6 DIMM 5 DIMM 4 DIMM 3 DIMM 2 DIMM 1 Rear fan (optional) Power 1 Power 2 Power 3 Power switch Internal USB tape DIMM 12 DIMM 11 DIMM 10 IDE DIMM 9 DIMM 8 DIMM 7 Front USB Microprocessor 1 SAS 1 power 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 PCI-X slot 4 PCI-X slot 5 PCI slot 6 Wake on LAN Reserved See Table 2 for information about the switch settings. SAS 2 power Microprocessor 2 SAS 1 VRM SAS 2 Battery ServeRAID-8k Wake on LAN (CN 45) SW4 (Boot block/Clear CMOS) Table 2. Switches on SW4 Switch number 1 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. 14 IBM System x3500 Type 7977: User's Guide

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