HP EliteBook 650 Maintenance and Service Guide - Page 61

I/O board, Remove the cable from the clips in the computer chassis

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Table 6-2 RTC battery description and part number Description RTC battery Spare part number M34737-001 Before removing the RTC battery, follow these steps: 1. Prepare the computer for disassembly (see Preparation for disassembly on page 41). 2. Remove the bottom cover (see Bottom cover on page 41). 3. Disconnect the battery cable from the system board (see Battery on page 51). Remove the RTC battery: 1. Disconnect the battery cable from the system board (1). 2. Remove the cable from the clips in the computer chassis (2). 3. Use a tool to release the battery from the computer (3). Reverse this procedure to install the RTC battery. I/O board To remove the I/O board, use this procedure and illustration. Table 6-3 I/O board description and part number Description I/O board for use in vPro models I/O board for use in non-vPro models I/O board cables (included in Cable Kit) Spare part number M48790-001 N01502-001 N03218-001 I/O board 53

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Table 6-2
RTC battery description and part number
Description
Spare part number
RTC battery
M34737-001
Before removing the RTC battery, follow these steps:
1.
Prepare the computer for disassembly (see
Preparation for disassembly
on page
41
).
2.
Remove the bottom cover (see
Bottom cover
on page
41
).
3.
Disconnect the battery cable from the system board (see
Battery
on page
51
).
Remove the RTC battery:
1.
Disconnect the battery cable from the system board
(1)
.
2.
Remove the cable from the clips in the computer chassis
(2)
.
3.
Use a tool to release the battery from the computer
(3)
.
Reverse this procedure to install the RTC battery.
I/O board
To remove the I/O board, use this procedure and illustration.
Table 6-3
I/O board description and part number
Description
Spare part number
I/O board for use in vPro models
M48790-001
I/O board for use in non-vPro models
N01502-001
I/O board cables (included in Cable Kit)
N03218-001
I/O board
53