Table 2. I/O-board jumpers
Jumper
number
Jumper
name Jumper setting
J31 Wake on
LAN bypass
v Pins 1 and 2: Normal operation (default).
v Pins 2 and 3: Clears Wake on LAN bypass.
J29 Password
override
v Pins 1 and 2: Normal operation (default).
v Pins 2 and 3: Clears Password override.
J22 Boot
recovery
v Pins 1 and 2: Normal operation (default).
v Pins 2 and 3: Enable the UEFI recovery mode.
Note: If no jumper is present, the server responds as if the jumper is on pins 1 and 2.
I/O-board LEDs
The following illustration shows the LEDs on the I/O board.
Slot 7
error
LED
I/O
board
error
LED
Slot 6
error
LED
Slot 5
error
LED
Slot 4
error
LED
Slot 3
error
LED
Slot 2
error
LED
Slot 1
error
LED
Power fault LED
Installation guidelines
Before you install optional devices, read the following information:
v Read the safety information that begins on page v, “Working inside the server
with the power on” on page 27, and “Handling static-sensitive devices” on page
27. This information will help you work safely.
v When you install your new server, take the opportunity to download and apply
the most recent firmware updates. This step will help to ensure that any known
issues are addressed and that your server is ready to function at maximum levels
of performance. To download firmware updates for your server, complete the
following steps.
Note: Changes are made periodically to the IBM Web site. The actual procedure
might vary slightly from what is described in this document.
Chapter 2. Installing optional devices 25
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