HP Server rp2400 Hardware Manual - rp24xx, Customer Viewable - Page 189

DC-DC Converter Replacement, Step 1., CPU MHz, Master, Slave

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DC-DC Converter Replacement DC-DC Converter Replacement DC-DC Converter boards and one or two slave boards (depending on the CPU speed) are required to power each CPU. CPU MHz Master Slave 440 1 1 550* 1 2 * When available NOTE Each CPU requires a DC-DC Converter and slave(s) to operate. When CPUs are upgraded or replaced, ensure that the accompanying DC-DC Converter and slave(s) are changed. When returning replaced CPUs to Hewlett-Packard, ensure that the accompanying DC-DC Converter and slave(s) are returned also. The converter boards stand on edge in slots and are located immediately behind the Power Supply on the left and right sides of the System Board, in front of the CPU assemblies. CAUTION DC-DC converter boards are not "hot-swap" or "hot-plug" units. Shut the server down and unplug the electrical connection prior to removing or replacing DC-DC converter boards. To replace a DC-DC Converter board and its slave(s) from the server, perform the following steps: Step 1. Grasp the board by the left and right edges. Step 2. Align the board connector with the slot. The slot and board are keyed so that the board will only fit one way. Place your thumbs on the top edge of the board, near the left and right sides, and push the board straight down into its slot until either an audible "click" is heard, or the levers close and seat into the slots in the side edges of the board CAUTION DO NOT press hard on the left/right levers or they will break. Levers provide vertical stability, only. The following graphic shows a DC-DC converter board and slave(s). Chapter 273

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Chapter
DC-DC Converter Replacement
273
DC-DC Converter Replacement
DC-DC Converter boards and one or two slave boards (depending on the CPU speed) are required to power
each CPU.
NOTE
Each CPU requires a DC-DC Converter and slave(s) to operate. When CPUs are upgraded or
replaced, ensure that the accompanying DC-DC Converter and slave(s) are changed. When
returning replaced CPUs to Hewlett-Packard, ensure that the accompanying DC-DC Converter
and slave(s) are returned also.
The converter boards stand on edge in slots and are located immediately behind the Power Supply on the left
and right sides of the System Board, in front of the CPU assemblies.
CAUTION
DC-DC converter boards are not “hot-swap” or “hot-plug” units. Shut the server down and
unplug the electrical connection prior to removing or replacing DC-DC converter boards.
To replace a DC-DC Converter board and its slave(s) from the server, perform the following steps:
Step 1.
Grasp the board by the left and right edges.
Step 2.
Align the board connector with the slot. The slot and board are keyed so that the board will only fit
one way. Place your thumbs on the top edge of the board, near the left and right sides, and push the
board straight down into its slot until either an audible “click” is heard, or the levers close and seat
into the slots in the side edges of the board
CAUTION
DO NOT press hard on the left/right levers or they will break. Levers provide vertical stability,
only.
The following graphic shows a DC-DC converter board and slave(s).
CPU MHz
Master
Slave
440
1
1
550*
1
2
* When available