Looking Up Fru Information - Lenovo ThinkPad T490s Hardware Maintenance Manual

Table 10. System board connector and cable guide (continued)
No.
Connector/feature
19
Smart card reader and fingerprint
reader connector (internal)
20
Always On USB 3.1 connector Gen
1 (external)
21
Nano-SIM-card and microSD-card
slot (external)
22
Keyboard connector for ThinkPad
23
X390 (internal)

Looking up FRU information

For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to:
https://support.lenovo.com/partslookup
Internal cable required
Smart-card-reader cable,
fingerprint-reader cable, or smart
card reader and fingerprint-reader
cable
No
No
Keyboard assembly cables
Cable connection
For smart-card-reader cable,
connect one end to the smart card
reader and the other end to this
connector.
For fingerprint-reader cable,
connect one end to the fingerprint
reader and the other end to this
connector.
For smart card reader and
fingerprint-reader cable, connect
one end of the cable to the smart
card reader, one end to the
fingerprint reader, and the other
end to this connector.
Connect a USB-A compatible
device to this connector.
Insert a microSD card or Nano
Subscriber Identity Module (SIM)
card into this slot.
The keyboard assembly comes
with the cables. Connect the
cables to these connectors.
.
Chapter 6 Locations
63