1190 I/O Sub Card; For Access, Remove These Frus In Order: "1010 Battery Pack - Lenovo ThinkPad T520 Hardware Maintenance Manual

1
Windows license label (COA)
2
Information label
3
IMEI barcode label
4
Mac address label
5
Vodafone label
6
Israel label
7
Modem label (only for PRC models)
8
China wireless WAN label
9
Modem AMOM label (only for Brazil)
10
Bluetooth label (only for Brazil)
11
Wireless card label (only for Brazil)
12
SIRIM label
16
Asset tag label
For some models, you also need to apply one or two FCC labels. Check the old base cover; if it has one or
two FCC labels, find duplicates of them in the label kit and apply them to the new base cover.
For the location of each label, refer the following figure:

1190 I/O sub card

Note: The I/O sub card contains an Ethernet port and a USB port.
For access, remove these FRUs in order:
• "1010 Battery pack" on page 60
• "1020 Serial Ultrabay Enhanced device or travel bezel" on page 61
• "1030 DIMM slot cover" on page 62
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ThinkPad T520, T520i, and W520 Hardware Maintenance Manual