Installing The System Controller Cpu Board; Installing The System Control (Sc) Board; Verifying The Memory Boards On The System Controller Cpu Board - Sun Microsystems Sun Fire E25K Service Manual

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.
5.2.3

Installing the System Controller CPU Board

1. Install the correctly configured system controller CPU board and lock the insert-
eject levers into position.
2. Secure the system controller CPU board to the SC board with the two (2) captive
screws.
5.2.4

Installing the System Control (SC) Board

1. Install the SC board.
See Section 6.1.2.4, "Installing a System Control (SC) Board" on page
2. Reconnect all I/O cables.
3. Power on the SC board by using the Sun Management Center or from the main
SC by typing the following SMS command:
sc% resetsc
About to reset other SC. Are you sure you
want to continue? (yes/no)? yes
5.2.5 Verifying the Memory Boards on the System
Controller CPU Board
1. Verify the SC board.
See Section 6.1.2.5, "Verifying a System Control (SC) Board" on page
Note – Memory failure might occur due to the installation of an incorrect memory
board, memory board failure, or improper installation.
5-6 Sun Fire E25K/E20K Systems Service Manual • April 2004
6-8.
6-10.