Lenovo 20U1 Hardware Maintenance Manual page 64

Table 10. System board (continued)
No.
Connector/feature
8
Always On USB 3.2 connector
Gen 1 (external)
9
HDMI connector (external)
10
Coin-cell battery connector
(internal)
11
MicroSD-card slot (external)
12
Ethernet connector (external)
13
Smart card reader connector
(internal)
14
NFC connector (internal)
15
Memory module connectors
(internal)
16
Built-in battery connector (internal)
17
Trackpad connector (internal)
18
Fingerprint reader connector
(internal)
19
Speaker assembly connector
(internal)
20
HDD cable connector (internal)
21
USB and audio card connector
(internal)
22
Thermal fan connector (internal)
23
Nano-SIM-card slot (external)
24
Keyboard connector (internal)
25
TrackPoint pointing stick
connector (internal)
58
L14 Gen 1 and L15 Gen 1 Hardware Maintenance Manual
Internal cable required
No
No
No
No
No
Smart card reader cable
NFC cable
No
No
Trackpad cable
Fingerprint reader cable
No
HDD cable
No
Thermal fan assembly cable
No
Keyboard assembly cable
TrackPoint pointing stick cable
Cable connection
Connect USB-A compatible
devices to this connector.
Connect HDMI compatible devices
to this connector.
The coin-cell battery comes with a
cable. Connect the cable to this
connector.
Insert a MicroSD card into this
slot.
Connect the Ethernet cable to this
connector.
Connect one end to the smart card
reader and the other end to this
connector.
Connect one end to the NFC
module and the other end to this
connector.
Connect memory modules to
these connectors.
Connect the built-in battery to this
connector.
Connect one end to the trackpad
and the other end to this
connector.
Connect one end to the fingerprint
reader module and the other end
to this connector.
The speaker assembly comes with
cable. Connect the cable to this
connector.
Connect the HDD cable to this
connector.
Connect the USB and audio card
directly to this connector.
The thermal fan assembly comes
with the cable. Connect the cable
to this connector.
Insert a nano-SIM card into the
nano-SIM-card tray. Then, insert
the tray with the card into this slot.
The keyboard assembly comes
with the cable. Connect the cable
to this connector.
The TrackPoint pointing stick
comes with the cable. Connect the
cable to this connector.