Table 10. System board (continued)
Item
Connector (location)
Internal cable required
Cable connection
7
Audio connector
(external)
No
Connect headphones or a headset with 3.5-mm
(0.14-inch) 4-pole plug to this connector.
8
Coin-cell battery
connector (internal)
Coin-cell battery cable The coin-cell battery comes with cable. Connect the
cable to this connector.
9
Speaker assembly
connector (internal)
Speaker assembly cable The speaker assembly comes with cable. Connect
the cable to this connector.
10
Trackpad connector
(internal)
Trackpad cable Trackpad cable
11
Memory module slot
(internal)
No Insert the memory module into this slot.
12
Built-in battery
connector (internal)
Built-in battery cable The built-in battery cable comes with the cable.
Connect the cable to this connector.
13
Hard disk drive
connector (internal)
No Connect the hard disk drive to this connector.
14
Fingerprint reader card
connector (internal)
Fingerprint reader card
cable
Connect one end to the fingerprint reader card and
the other end to this connector.
15
M.2 solid-state drive
connector (internal)
No
Connect the M.2 solid-state drives to this connector.
16
I/O card cable
connector (internal)
I/O card cable Connect the I/O card cable to this connector.
17
Thermal fan connector
(internal)
Thermal fan assembly
cable
The thermal fan assembly comes with cable.
Connect the cable to this connector.
18
Trackpoint connector
(internal)
Trackpoint cable Trackpoint cable
19
Keyboard connector
(internal)
Keyboard cable Keyboard cable
LCD panel connector and cable
54 E480, E485, and R480 Hardware Maintenance Manual
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