Operator Information Panel Controls And Internal Connectors - IBM 7940 Problem Determination And Service Manual

Operator information panel

Operator information panel controls and internal connectors

The following illustration shows the controls and internal connectors on the operator
information panel. When the server is turned off, you can light the system-board
error LEDs for up to 30 seconds to indicate detected faults by pressing the light
path button.
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IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide
PCI Express x16 riser card
USB (2) (front)
SATA hard disk
drive 2
SATA hard disk
drive 1
CD or DVD drive
Power
Signal cable connector
Light-path button
Battery
Fan 1
USB cable connector
PCI Express x8
riser card
HTX riser card
Fan 2 Fan 3