13-6 SPARC Enterprise M4000/M5000 Servers Service Manual • August 2009
Caution – The motherboard unit is a long and heavy assembly that houses the
system motherboard on the underside. The motherboard unit is heavy. Two people
are recommended to lift the unit.
4. Remove the motherboard unit from the server.
Be careful not to damage the connectors while removing the unit from the server.
13.1.3 Installing the SPARC Enterprise M4000
Motherboard Unit
Caution – The motherboard is heavy. Two people are recommended to lift the unit.
1. Align the motherboard unit and slide it into the rear of the server.
2. Push the motherboard unit handle up to seat the board.
3. Tighten the two (2) captive screws to secure the motherboard unit handle.
4. Pull the system out of the rack.
13.1.4 Securing the Server
1. Install all CPU modules and filler panels.
See “Installing the CPU Module” on page 12-6.
2. Install all memory boards.
See “Installing the Memory Board” on page 11-7.
3. Install the top cover.
This step includes sliding the server in to the equipment rack and restoring the
antitilt features to their original position. See “Replacing the Top Cover” on
page 5-8.
4. Tighten the two captive screws that secure the cable management arm to the
left rear of the server.
5. Connect the cable management arm to the equipment rack.
6. Power on the server
This step includes reconnecting power cables, verifying the state of the LEDs,