Lenovo T420i manual Cru Id

Table 9. Parts list—Overall (continued)

No.	FRU (Overall)		FRU no.	CRU ID
19	Solid state drive, 128 GB		45N8081	**
	•	4177-CTO, Q7x	45N8007
	•	4178-CTO, 5Rx, ATx, B7x, CUx	45N7981
	•	4179-CTO
	• 4180-CTO, KAx, L3x, L6x, L7x, PAx
	•	4236-CTO, NMx, PAx, PBx
	•	4237-CTO
	•	4238-CTO
19	Solid state drive, 160 GB		45N8057	**
	• 4177-CTO, Q8x, QEx, QFx, RXx
	• 4178-CTO, 5Sx, 6Gx, 6Px, 99x, AEx, AWx, BMx, BNx, C6x
	•	4179-CTO
	• 4180-CTO, KBx, L4x, L5x, L8x, MDx, MEx, MQx, NFx, PWx, PZx
	•	4236-CTO, NSx, NTx
	•	4237-CTO
	•	4238-CTO
19	Solid state flash drive, 4 GB		45N8085
	•	4177-CTO
	•	4178-CTO
	•	4179-CTO
	•	4180-CTO
	•	4236-CTO
	•	4237-CTO
	•	4238-CTO
20	HDD cover		04W1637	**
21	System board assembly, integrated graphics, AMT, TPM		04W2045	N
	• 4177-CTO, Q2x, Q5x, Q8x, QAx, QNx, RMx
	• 4178-CTO, 52x, 56x, 57x, 59x, 5Ax, 5Bx, 5Vx, 5Wx, 5Xx, 67x, 68x, 6Fx, 6Gx,
		6Qx, 6Ux, 6Zx, 9Bx, 9Cx, 9Px, 9Qx, ABx, ALx, ANx, APx, ASx, ATx, AWx,
		AYx, C8x
	•	4179-CTO, GBx, GQx, GRx
	• 4180-CTO, 62x, 63x, K2x, K3x, K4x, K5x, K6x, K7x, K8x, K9x, KAx, KBx, KCx,
		KDx, KEx, KFx, KGx, KHx, KJx, KKx, LDx, LUx, LWx, M2x, M7x, M8x, M9x,
		MBx, MDx, MEx, MJx, MLx, MNx, MPx, MQx, MSx, MYx, N2x, NBx, NDx, NFx,
		PAx, PBx, PCx, PFx, PGx, PHx, PVx, PXx, Q2x, Q3x
	• 4236-CTO, 62x, 63x, MBx, N2x, N3x, N5x, NGx, NHx, NMx, NNx, NTx, NUx,
		P3x, P5x, P9x, PAx, PGx, PLx, PMx, PXx
	•	4237-CTO
	•	4238-CTO
21	System board assembly, integrated graphics, AMT, non-TPM		04W2046	N
	•	4177-CTO, 2Hx
	•	4178-CTO
	•	4179-CTO
	•	4180-CTO, MCx
	•	4236-CTO
	•	4237-CTO
	•	4238-CTO

142ThinkPad T420 and T420i Hardware Maintenance Manual