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Table 9. Parts list—Overall (continued)
No.
FRU (Overall)
FRU no.
CRU ID
21
System board assembly, discrete graphics, non-AMT, TPM
• 4177-CTO, 22x, 23x, 24x, 2Ax, 2Bx, 2Cx, 2Kx, 2Lx, 2Mx, 2Tx, 2Ux, 2Vx, 2Wx,
2Xx, 2Yx, 32x, 33x, 34x, GFx, GLx, QEx, QHx, QPx, QRx, QWx, QXx, QYx, QZx,
R4x, RAx, RCx, RDx, RHx, RJx, RQx, RTx, RUx, RWx, RXx, RZx
• 4178-CTO, 5Gx, 5Hx, 5Qx, 5Sx, 6Sx, 82x, 94x, 9Dx, 9Ex, 9Hx, 9Jx, 9Kx, 9Lx,
9Mx, 9Nx, A2x, A5x, A6x, AQx, B8x, BFx, BHx, BQx, BRx, BTx, BUx, BVx, BXx,
BZx, C4x, CGx, CHx, CMx, CNx, CPx, CQx, CVx, CYx
• 4179-CTO, G9x, GCx, GDx, GHx, GJx, GMx, GNx, GPx, GTx, GUx, GVx, GWx,
GXx
• 4180-CTO, J4x, M3x, MAx, MTx, MXx, N3x, N4x, N5x, PKx, PLx, PMx, PNx,
PPx, PQx, Q6x, Q7x, Q8x, Q9x
• 4236-CTO, N9x, PWx
• 4237-CTO
• 4238-CTO
04W2051 N
21
System board assembly, discrete graphics, non-AMT, non-TPM
• 4177-CTO
• 4178-CTO
• 4179-CTO
• 4180-CTO, 9Sx, 9Tx, 9Ux, 9Xx, AEx
• 4236-CTO
• 4237-CTO
• 4238-CTO
04W2052 N
22
CPU assembly, i5-2520M (2.50 GHz)
• 4177-CTO, 2Fx, 2Nx, Q5x, Q8x, QNx
• 4178-CTO, 52x, 56x, 58x, 5Ax, 5Bx, 5Ex, 5Fx, 5Vx, 5Zx, 68x, 6Fx, 6Qx, 6Ux,
6Vx, 6Xx, 6Yx, 6Zx, 9Ax, 9Bx, 9Cx, 9Kx, 9Px, 9Qx, 9Tx, 9Wx, A3x, A9x, AAx,
ABx, ACx, ALx, ANx, APx, ASx, C6x
• 4179-CTO, G2x, G3x, G4x, GBx, GEx, GQx
• 4180-CTO, 62x, 64x, J2x, J3x, K2x, K3x, K4x, K6x, K7x, K8x, KPx, KQx, KRx,
KSx, L6x, L7x, L8x, LEx, LFx, LGx, LHx, LNx, LUx, LVx, LWx, LXx, LYx, M2x,
M7x, M8x, M9x, MCx, MDx, MEx, MGx, MHx, MJx, MLx, MNx, MPx, MSx, MYx,
MZx, N6x, N7x, N8x, NBx, PAx, PBx, PCx, PDx, PEx, PFx, PHx, PJx, PVx, PWx
• 4236-CTO, 62x, 64x, N3x, N6x, N7x, N8x, N9x, NCx, NMx, NNx, NUx, P3x,
P4x, PAx, PBx
• 4237-CTO
• 4238-CTO
04W0492 N
22
CPU assembly, i5-2540M (2.60 GHz)
• 4177-CTO, 2Gx, 2Px, Q2x, Q3x, Q4x, QLx, RLx, RMx
• 4178-CTO, 54x, 55x, 57x, 59x, 5Wx, 6Px, 6Rx, 9Lx, ATx, BEx, BNx, C7x, C8x
• 4179-CTO
• 4180-CTO, 63x, 65x, K5x, K9x, KAx, KEx, KFx, KHx, KJx, KKx, KLx, KMx,
KNx, KTx, KUx, KVx, KWx, L5x, L9x, LAx, LBx, LCx, LDx, LJx, LKx, LLx, LMx,
LZx, M4x, MBx, MKx, MQx, NDx, NEx
• 4236-CTO, 63x, 65x, MBx, N2x, N5x, NAx, NBx, NHx, NSx, NTx, P5x, PCx, PDx
• 4237-CTO
• 4238-CTO
04W0493 N
144 ThinkPad T420 and T420i Hardware Maintenance Manual