Internal Connectors, Leds, And Switches; System-Board Internal Connectors - IBM x3400 7975 Problem Determination And Service Manual

Internal connectors, LEDs, and switches

The following illustrations show the connectors, light-emitting diodes (LEDs), and
switches on the system board. The illustrations might differ slightly from your
hardware.

System-board internal connectors

The following illustration shows the internal connectors on the system board.
Rear fan
COM 2
header
Power
Main power
DIMM LEDs
6 12
5 11
4 10
3 9
2 8
1 7
Wake on LAN Battery
Power
USB tape
Front panel
Chapter 1. Introduction
Primary IDE
Front USB
Microprocessor 1
SAS/SATA backplane 1
power
Microprocessor 2
SAS/SATA backplane 2
power
Simple-swap SATA backplate
Hot-swap SAS/SATA 1
signal
Hot-swap SAS/SATA 2
signal
Hot-swap main fan
Hot-swap fan
(redundant)
11