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Table 10. System board (continued)
Item
Connector (location)
7
Audio connector
(external)
8
Speaker assembly
connector (internal)
9
Coin-cell battery
connector (internal)
10
Built-in battery
connector (internal)
11
Memory module slot
(internal)
12
Trackpad connector
(internal)
13
I/O card cable
connector (internal)
14
Thermal fan connector
(internal)
15
M.2 solid-state drive
connector (internal)
16
ThinkPad Integrated
Earbuds connector
(internal)
17
Wireless LAN card slot
(internal)
18
Keyboard connectors
(internal)
19
TrackPoint conenctor
(internal)
I/O board connectors
56
E14 Gen 4 / E15 Gen 4 Hardware Maintenance Manual
Internal cable required
No
Speaker assembly cable
Coin-cell battery cable
Built-in battery cable
No
Trackpad cable
I/O card cable
Thermal fan cable
No
Earbud connector
No
Keyboard assembly
cable
TrackPoint cable
Cable connection
Connect headphones or a headset with 3.5-mm
(0.14-inch) 4-pole plug to this connector.
The speaker assembly comes with cable. Connect
the cable to this connector.
The coin-cell battery comes with cable. Connect the
cable to this connector.
The built-in battery cable comes with the cable.
Connect the cable to this connector.
Insert the memory module into this slot.
Connect one end to the trackpad and the other end
to this connector.
Connect the I/O card cable to this connector.
The thermal fan assembly comes with cable.
Connect the cable to this connector.
Connect the M.2 solid-state drives to this connector.
Connect one end to the earbud tray and the other
end to this connector.
Insert the wireless LAN card into this slot.
The keyboard assembly comes with the keyboard
assembly cable. Connect one end of the cable to this
connector.
The keyboard assembly comes with the TrackPoint
cable. Connect one end of the cable to this
connector.
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