Sun Microsystems Sun Fire E25K User manual

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System Controller CPU Board, Netra™
CompactPCI, Installation Guide
Sun Fire™E25K/E20K Systems
Sun Fire 15K/12K Systems

Preparing the Sun Fire Systems for the System
Controller CPU Board Installation
Caution – Be sure you are properly grounded before you begin the
hardware removal and installation. There are four ground points on
the system cabinet, two at the front top left and top right, and two at
the rear top left and top right.
Caution – The Sun Fire systems do not support the Netra CP2140
CompactPCI as a hot-swappable component.
The system controller CPU board, Netra CP2140 CompactPCI, is not a hot-
swappable component. Damage can occur to the board if all power-down
procedures are not followed.
Caution – Before removing the system controller CPU board from
the system, the green activation LED must be off and the amber or
blue removal OK LED must be on.
1. Power off and remove the System Control (SC) board as defined in the
system service manual for your system.
2. Remove the SC and the system controller CPU board as defined in the
system service manual for your system.

Inspecting the System Controller CPU Board for
the System Control Board
Note – Prior to installation, Sun Microsystem technicians need to reference
Infodoc 72037 for the required system controller CPU upgrade information.
Inspect the new board before inserting it into your Sun Fire system.
1. Remove the connector protective cover from the board being installed
and inspect the connector for any damage or gaps between the pins.
2. Ensure the board alignment tabs are not bent.
3. Inspect the mating connector before inserting the new board.
Caution – Do not force any board into a slot; it can cause damage to
the board and the system. The board should insert and seat
smoothly. If it binds, remove the board and inspect the card cage slot
for any obvious obstructions.

Installing the Memory Boards on the System
Controller CPU Board
The system controller CPU board can support up to two memory boards, each
with a 512-Mbyte configuration. The first memory board is installed directly
onto the system controller CPU board. The second memory board is installed
directly on top of the first memory board.
1. Determine if one or two memory boards are being installed for this
installation.
■If you are installing the single memory board configuration, follow
Step 2, Step 3, and Step 5 below.
■If you are installing the double memory board configuration, follow
Step 2 through Step 5 below.
2. Using a screwdriver, set the two memory board plastic support fasteners
to the open position with the slots away from the board.
3. Align the two bottom memory board connectors (P3 and P4) above the
memory board connector sockets (J0601 and J0602), located at the center
of the system controller CPU board, and press down firmly, ensuring the
two connectors are properly seated.
Caution – To avoid microfracture damage to the system controller
CPU board, do not apply excessive pressure on any of the
connectors.
4. For the second memory board, align the two bottom connectors (P3 and
P4) on top of the first memory board connector sockets (P1 and P2) and
press down firmly, ensuring the two connectors are properly seated in the
first memory board.
5. Using a screwdriver, set the two memory board plastic support fasteners
to the locked position by turning the fastener 180 degrees.

Verifying the Switch Settings on the System
Controller CPU Board
Verify all switch positions are set as follows prior to rebooting the system
controller CPU board.
1. Ensure the system management controller (SMC) switches (SW0501-1 and
SW0501-2) are in the down (off) position.
2. Ensure power module configuration (PS) switches 1 and 4 are in the up
(on) position, and PS 2, 3, 5, and 6 are in the down (off) position.
3. Ensure the SW1801 and SW2401 switches are in the up position.
Completing the Installation
To complete the installation procedure, refer to the following sections of the
system service manual for your system:
■“Installing the System Controller CPU Board”
■“Installing the System Control (SC) Board”
■“Verifying the Memory Boards on the System Controller CPU”
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Sun Microsystems, Inc.
www.sun.com
Part No. 817-1841-10, Rev. A
April 2004
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System Controller CPU Board, Netra CP2140 CompactPCI, Installation Guide, part
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