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13-16 SPARC Enterprise M4000/M5000 Servers Service Manual • August 2009
13.2.3 Installing the SPARC Enterprise M4000 DC-DC
Converter
Caution – The converter designed to go into slot DDC_B#0 has a metal heatsink. If
this converter is installed in any of the other slots, or if the converters without
heatsinks are installed in slot DDC_B#0, serious system damage might result.
1. Place the DC-DC converter in the open slot.
2. Push gently downward to seat the DC-DC converter in the slot.
13.2.4 Securing the Server
1. Install all memory boards.
See “Installing the Memory Board” on page 11-7.
2. 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.
3. Power on the server.
This step includes reconnecting power cables, verifying the state of the LEDs,
and turning the keyswitch to the Locked position. See “Powering the Server On
Using Software” on page 4-13.
Note – If the Solaris automatic booting is set, use the sendbreak -d domain_id
command after the display console banner is displayed but before the system starts
booting the operating system to get the ok prompt.
4. Confirm the hardware.
This step includes running programs to be certain all components are mounted
again and then booting the operating system.
Refer to “Verifying Hardware Operation” on page 4-9 for more information.