Lenovo ThinkPad T420 Hardware Maintenance Manual page 146

Table 9. Parts list—Overall (continued)
No.
FRU (Overall)
17 Integrated China Telecom Mobile Broadband (Huawei EM660)
• 4177-CTO
• 4178-CTO
• 4179-CTO
• 4180-CTO
• 4236-CTO
• 4237-CTO
• 4238-CTO
—
mSATA Solida State Drive
• 4177-CTO, Q3x, QAx, QCx
• 4178-CTO, 5Ux, 67x, 68x, 6Ax, 9Cx, A8x, A9x, AXx
• 4179-CTO
• 4180-CTO, M6x, PYx
• 4236-CTO
• 4237-CTO
• 4238-CTO
18 HDD rubber rails
18 HDD rubber rails (7.0 mm-high HDD rubber rails for 9.5 mm-high bay)
18
SSD spacers
• 4177-CTO
• 4178-CTO
• 4179-CTO
• 4180-CTO
• 4236-CTO
• 4237-CTO
• 4238-CTO
19 SATA hard disk drive, 250 GB, 5,400 rpm
• 4177-CTO, 26x, GKx, QAx, QCx
• 4178-CTO, 6Tx, AJx
• 4179-CTO
• 4180-CTO, K3x, K4x, KQx, MFx, MVx, MWx, PDx
• 4236-CTO, N5x, P4x
• 4237-CTO
• 4238-CTO
19 SATA hard disk drive, 320 GB, 5,400 rpm
• 4177-CTO, 22x, 25x, 28x, 2Dx, 2Ex, GLx, GMx, QDx, QNx, QQx, QRx, QSx,
QUx, R7x, RNx
• 4178-CTO, 5Ax, 5Bx, 5Cx, 5Dx, 9Vx, AAx, ABx, AGx, AQx, ARx, CDx
• 4179-CTO, G2x, G4x, G5x, G6x, G7x, G8x, G9x
• 4180-CTO, KWx, LEx, LNx, LUx, M7x, MAx, PJx, Q2x
• 4236-CTO, N2x, N6x, NCx, NXx, NYx, PCx, PDx, PEx
• 4237-CTO
• 4238-CTO
19 SATA hard disk drive, 500 GB, 5,400 rpm
• 4177-CTO
• 4178-CTO
• 4179-CTO
• 4180-CTO
• 4236-CTO
• 4237-CTO
• 4238-CTO
140
ThinkPad T420 and T420i Hardware Maintenance Manual
FRU no.
CRU ID
60Y3239 **
45N8259 **
41V9756 **
04W1640 **
04W1641 **
45N7217 **
45N7229
45N7305
45N7285
42T1153
42T1167
45N7219 **
45N7297
45N7315
45N7307
45N7287
42T1155
45N7221 **
45N7309