Step 7. Check The Cables And Connect I/O Devices; Step 8. Verify That The Emergency Power Off (Uepo) Switch Is In The Off Position; Computer Room Emergency Power Off (Epo) - IBM eserver pSeries 690 Installation Manual

Step 7. Check the Cables and Connect I/O Devices

Cables may loosen during shipping. Check for loose cables before completing the
installation. For cabling illustrations, see Appendix G, "Subsystem Positioning and
Cabling" on page 83. For further details on the cable descriptions and labels, see
Appendix H, "Cabling Information" on page 95.
Connect any externally attached I/O devices to the I/O subsystems at this time using
the procedures below.
If a display, Universal Serial Bus (USB) keyboard, and a USB mouse were ordered, do
the following. If these components were not ordered, proceed to 4 and 5 below.
1. Connect the keyboard cable to the Keyboard/Mouse Attachment Card PCI (adapter
2. Connect the mouse cable to the USB port on the upper corner of the rear of the
3. Attach the display cable to either one of the two ports located on the graphics
4. Check all Blind Swap Cassettes for broken latches by lightly pushing down on rear
5. Check to ensure adapters are seated by pushing down on the small metal tab on
The placement of the graphics and keyboard adapters is described in the PCI Adapter
Placement Reference , form number SA38-0538.

Step 8. Verify that the Emergency Power Off (UEPO) Switch is in the Off Position

Note: UEPO refers to the red Unit Emergency Power Off switch located on the unit.
The unit emergency power off (UEPO) switch is located on the front of the primary
frame (A Frame) of each pSeries 690. When the switch is tripped, utility power is
confined to the machine power compartment. All volatile data will be lost.

Computer Room Emergency Power Off (EPO)

|
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Attention:
| is tripped, the batteries will engage and the computer will continue to run. It is possible
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to attach the computer room EPO system to the machine UEPO. When this is done,
| tripping the room EPO will disconnect all power from the line cords and the internal
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battery feature backup unit. In this event, all volatile data will be lost.
| To incorporate the IBF into the room EPO a cable connection must be made to connect
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to the back of the system UEPO panel. The following diagrams illustrate how this
type N-D).
Note: Use any one of the four ports on the adapter; however, the adapter can
support only one connection at a time.
keyboard.
adapter .
of handles. Replace any broken latches.
top of the adapter.
EPO refers to the computer room Emergency Power off.
When the integrated battery backup feature is installed and the room EPO
Chapter 2. Installing the pSeries 690
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