Lenovo T14 Gen 3 Hardware Maintenance Manual page 62

Table 9. System board connector and cable guide (continued)
No.
Connector/feature
6
Speaker assembly connector
(internal)
7
Ethernet card connector (internal)
8
Wireless-WAN-card slot (internal)
9
Thunderbolt 4 connector (USB-C)
10
(external)
11
HDMI connector (external)
12
Always On USB 3.2 connector Gen
1 board connector (internal)
13
Audio connector (external)
14a
M.2 solid-state drive connector
(internal) (for Intel models)
14b
M.2 solid-state drive connector
(internal) (for AMD models)
15
Built-in battery connector (internal)
16
Memory module slot (internal)*
17
Trackpad connector (internal)
18
RFID board connector (internal) (for
selected models of T14 Gen 3)
18
Smart card reader connector
(internal) (for selected models)
19
P-sensor connector (internal)
20
Coin-cell battery connector
(internal)
21
Thermal fan connector (internal)
56
T14 Gen 3 and P14s Gen 3 Hardware Maintenance Manual
Internal cable required
Speaker assembly cable
Ethernet card cable
No
No
No
No
No
No
No
No
NO
Trackpad cable
RFID cable
Smart card reader cable
P-sensor cable
Coin-cell battery cable
Thermal fan assembly cable
Cable connection
The speaker assembly comes with
a cable. Connect the cable to this
connector.
Connect one end of the Ethernet
card cable to the Ethernet card
board and the other end to this
connector.
Insert the wireless WAN card into
this slot.
Connect a USB-C compatible
device or a Thunderbolt 3
compatible device to this
connector.
Connect a compatible digital audio
device or video monitor to this
connector.
Connect a USB-A compatible
device to this connector.
Connect headphones or a headset
with a 3.5-mm (0.14-inch) and 4-
pole plug to this connector.
Insert the M.2 solid-state drive into
this slot.
Insert the M.2 solid-state drive into
this slot.
Connect the built-in battery.
Insert the memory module into this
slot.
Connect one end of the cable to
the trackpad and the other end to
this connector.
Connect one end of the cable to
the RFID board and the other end
to this connector.
Connect one end of the cable to
the smart card reader and the other
end to this connector.
Connect the P-sensor cable to this
connector.
The coin-cell battery comes with a
cable. Connect the cable to this
connector.
The thermal fan assembly comes
with a cable. Connect the cable to
this connector.