Lenovo 43147NU User Manual - Page 132
I/O sub card
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1190 I/O sub card For access, remove these FRUs in order: v "1010 Battery pack" on page 87 v "1020 Serial Ultrabay Enhanced device or travel bezel" on page 88 v "1030 DIMM slot cover" on page 89 v "1050 Hard disk drive slot cover, hard disk drive (HDD) and HDD rubber rails or Solid state drive (SSD) and storage converter" on page 91 v "1060 Keyboard" on page 93 v "1080 PCI Express Mini Card for wireless LAN" on page 98 v "1090 PCI Express Mini Card for wireless WAN" on page 101 v "1100 Keyboard bezel assembly" on page 103 v "1110 Bluetooth daughter card (BDC-2.1)" on page 106 v "1120 Backup battery" on page 107 v "1130 Smart Card or Contactless Smart Card or Smart Card dummy spacer" on page 108 v "1140 Speaker assembly" on page 111 v "1150 Thermal module" on page 113 v "1170 LCD unit" on page 117 v "1180 Base cover assembly" on page 121 Table 34. Removal steps of I/O sub card 1 11 2 Step 1 Screw (quantity) M2 × 7 mm, wafer-head, nylon-coated (3) Color Silver Torque 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connector is attached firmly. 124 ThinkPad T510, T510i, and W510 Hardware Maintenance Manual