Lenovo ThinkPad X220 Maintenance Manual page 120

Table 9. Parts list - Overall (continued)
No. FRU
5
System board assembly with Intel Core i7-2620M, non-AMT, TPM, AES
• 4294-CTO
• 4296-CTO
• 4297-CTO
• 4298-CTO
• 4299-CTO
• 4300-CTO
• 4301-CTO
5 System board assembly with Intel Core i7-2620M, AMT, non-TPM, non-AES
• 4294-CTO, 2Ax
• 4296-CTO, 3Dx
• 4297-CTO
• 4298-CTO
• 4299-CTO
• 4300-CTO
• 4301-CTO
5 System board assembly with Intel Core i7-2620M, non-AMT, non-TPM, non-AES
• 4294-CTO, 29x
• 4296-CTO
• 4297-CTO
• 4298-CTO
• 4299-CTO
• 4300-CTO
• 4301-CTO
5
System board assembly with Intel Core i3-2310M, non-AMT, TPM, non-AES
• 4294-CTO, 2Ex, 2Dx, 27x, 26x, 25x
• 4296-CTO, 2Jx, 2Hx, 2Gx, 2Fx, 2Cx, 25x, 24x, 23x
• 4297-CTO
• 4298-CTO, 4Fx, 4Ex, 3Nx
• 4299-CTO, 2Nx, 2Mx
• 4300-CTO
• 4301-CTO
5 System board assembly with Intel Core i3-2310M, non-AMT, non-TPM, non-AES
• 4294-CTO, 2Cx, 2Bx
• 4296-CTO, 2Tx, 2Sx, 2Rx, 2Qx
• 4297-CTO, 22x
• 4298-CTO, 36x
• 4299-CTO
• 4300-CTO
• 4301-CTO
5
System board assembly with Intel Core i7-2640M, AMT, TPM
• 4294-CTO, 2Sx, 2Mx, 2Lx, 2Jx, 2Hx
• 4296-CTO, 3Mx, 3Lx
• 4297-CTO
• 4298-CTO, 53x, 52x, 4Tx, 4Sx, 4Rx, 4Qx, 4Mx, 4Lx, 4Kx
• 4299-CTO, 52x, 4Zx, 4Wx, 4Tx
• 4300-CTO
• 4301-CTO
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Hardware Maintenance Manual
FRU no.
CRU
ID
04W3281 N
04W3282 N
04W3283 N
04W3284 N
04W3285 N
04W3380 N