Lenovo ThinkPad T420i Hardware Maintenance Manual page 158

Table 9. Parts list—Overall (continued)
No.
FRU (Overall)
25 SmartCard Reader
• 4177-CTO, 2Fx, 2Gx, 2Hx, 37x, 38x, Q8x, QBx, QPx, R9x, RBx, RCx, RLx, RMx,
RRx, RSx, RTx, RUx
• 4178-CTO, 5Lx, 5Mx, 5Nx, 5Px, 5Qx, 5Rx, 5Sx, 5Tx, 5Ux, 5Vx, 5Wx, 5Xx, 5Yx,
5Zx, 66x, 67x, 68x, 6Ax, 6Bx, 6Cx, 6Dx, 6Ex, 6Fx, 6Gx, 6Qx, 6Rx, 6Xx, 6Yx,
6Zx, 92x, 93x, 94x, 95x, 96x, 97x, 98x, 99x, 9Ax, 9Bx, 9Cx, A5x, A6x, A7x, AEx,
AXx, AYx, AZx, B2x, B3x, B4x, BDx, BEx, BFx, BHx, BJx, BMx, BNx, BPx, BQx,
BRx, BUx, BVx, BWx, BXx, BZx, C3x, C4x, C5x, C6x, CBx, CFx, CHx, CKx,
CLx, CMx, CNx, CPx, CQx, CXx, CYx, D7x, DBx, DDx, DEx, DFx, DGx, DHx,
DJx, DKx, DLx, DRx, DSx, DTx, DUx, DVx, DWx, DXx, DYx, DZx
• 4179-CTO, GXx
• 4180-CTO, KEx, KFx, L9x, LAx, LBx, LPx, LQx, LVx, LXx, M8x, MCx, MDx,
MEx, MRx, MSx, MZx, N2x, NDx, NEx, NFx, PBx, PCx, PUx, PVx, PWx, PXx,
PYx, PZx, Q3x
• 4236-CTO, N3x, NDx, NEx, PDx, PJx, PKx, PMx, PPx, PQx
• 4237-CTO
• 4238-CTO
26 Fan assembly, integrated
• 4177-CTO, 23x, 27x, 28x, 29x, 2Ax, 2Bx, 2Fx, 2Gx, 2Jx, 2Mx, 2Rx, 2Sx, 2Xx,
32x, 33x, 35x, GKx, GLx, GMx, Q4x, Q8x, QBx, QHx, QJx, QPx, QRx, QTx,
QUx, QVx, QWx, QXx, QYx, R3x, R4x, R5x, R6x, R8x, R9x, RCx, RFx, RGx,
RJx, RMx, RNx, RPx, RSx, RTx, RUx, RVx
• 4178-CTO, 53x, 57x, 58x, 5Cx, 5Dx, 5Ex, 5Fx, 5Gx, 5Hx, 5Jx, 5Kx, 5Mx, 5Nx,
5Px, 5Rx, 5Sx, 5Tx, 5Ux, 5Vx, 5Wx, 5Xx, 66x, 6Bx, 6Cx, 6Dx, 6Ex, 6Fx, 6Gx,
6Hx, 6Jx, 6Kx, 6Lx, 6Mx, 6Nx, 6Qx, 6Zx, 82x, 83x, 92x, 93x, 94x, 95x, 96x, 97x,
9Ax, 9Bx, 9Cx, 9Ex, 9Lx, 9Mx, 9Px, 9Qx, 9Sx, 9Tx, 9Ux, 9Vx, 9Wx, 9Xx, 9Yx,
9Zx, A4x, A5x, A6x, A8x, ABx, ADx, AEx, AGx, AHx, AJx, ALx, AMx, APx, AQx,
ASx, ATx, AUx, AXx, AYx, B3x, B5x, B8x, B9x, BAx, BBx, BCx, BDx, BEx, BFx,
BGx, BJx, BMx, BNx, BPx, BQx, BRx, BSx, BTx, BUx, BVx, BWx, BXx, BYx,
BZx, C3x, C7x, C8x, C9x, CAx, CEx, CFx, CGx, CHx, CJx, CKx, CLx, CMx,
CQx, CRx, CSx, CWx, CYx, D2x, D3x, D4x, D5x, D6x, D7x, DCx, DDx, DEx,
DGx, DPx, DQx, DSx, DTx, DYx, DZx
• 4179-CTO, G4x, G5x, G6x, G8x, G9x, GBx, GEx, GGx, GHx, GJx, GMx, GNx,
GQx, GSx, GTx, GWx, GXx
• 4180-CTO, 62x, 65x, J2x, J4x, K2x, K6x, K7x, K8x, K9x, KAx, KBx, KCx, KEx,
KHx, KJx, KKx, KLx, KMx, KNx, KPx, KQx, KRx, KSx, KTx, KUx, KVx, KWx,
KXx, KYx, L3x, L4x, L5x, L6x, L7x, L8x, L9x, LBx, LCx, LDx, LEx, LFx, LGx,
LHx, LJx, LKx, LNx, LPx, LRx, LSx, LTx, M2x, M3x, M4x, MDx, MEx, MFx,
MGx, MLx, MMx, MQx, MRx, MSx, MTx, N4x, N5x, N6x, N7x, NCx, NEx, PAx,
PCx, PFx, PGx, PHx, PJx, PKx, PLx, PMx, PRx, PTx, PUx, PVx, PWx, PYx,
PZx, Q4x, Q6x, Q7x, Q9x, QAx
• 4236-CTO, 64x, 65x, MBx, N2x, N3x, N4x, N5x, NVx, P3x, P4x, P5x, P6x, P7x,
P8x, P9x, PAx, PBx, PCx, PDx, PEx, PFx, PGx, PHx, PJx, PKx, PLx, PMx,
PNx, PPx, PQx, PRx, PSx, PXx, Q2x, Q3x, Q6x, Q9x, QAx, QCx, QDx, QHx,
QJx, QKx, QLx
• 4237-CTO
• 4238-CTO
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ThinkPad T420 and T420i Hardware Maintenance Manual
FRU no.
CRU ID
04W1638 N
04W2084
04W0407 N
04W0409