Lenovo ThinkPad T520 Hardware Maintenance Manual page 140

Table 9. Parts list—Overall (continued)
No. FRU (Overall)
16
System board assembly for T520 and T520i, integrated, AMT, non-TPM, non-AES
• 4239-CTO
• 4240-CTO
• 4241-CTO
• 4242-CTO, 44x
• 4243-CTO
• 4244-CTO
• 4246-CTO
16 System board assembly for T520 and T520i, optimus, AMT, non-TPM, non-AES
• 4239-CTO, 33x, 4Jx, 4Kx, 4Rx
• 4240-CTO, 58x
• 4241-CTO
• 4242-CTO, 4Hx
• 4243-CTO
• 4244-CTO
• 4246-CTO
16 System board assembly for T520 and T520i, integrated, non-AMT, TPM, AES
• 4239-CTO, 4Ex, 4Mx
• 4240-CTO, 4Rx, 59x, 5Ax, 5Cx, 5Kx, 5Tx, 5Vx
• 4241-CTO, 48x
• 4242-CTO, 2Dx, 3Ex, 3Fx, 47x, 48x, 4Qx, 5Bx, 5Ex
• 4243-CTO, 3Sx, 5Bx
• 4244-CTO
• 4246-CTO
16 System board assembly for T520 and T520i, optimus, non-AMT, TPM, AES
• 4239-CTO, 39x, 3Ax, 44x, 4Px, 5Ex, 5Hx
• 4240-CTO, 2Yx, 4Jx, 4Tx, 57x, 5Bx, 5Lx, 5Px, 5Ux, 5Xx, 6Mx, 6Zx
• 4241-CTO
• 4242-CTO, 3Gx, 5Fx, 5Gx, 5Hx, 5Jx, 5Kx, 5Rx
• 4243-CTO, 5Ax, 5Fx, 5Gx, 5Hx
• 4244-CTO
• 4246-CTO
16 System board assembly for T520 and T520i, integrated, non-AMT, non-TPM, non-AES
• 4239-CTO, 2Zx
• 4240-CTO, 3Hx, 3Jx, 3Lx, 3Zx, 4Sx, 4Ux
• 4241-CTO
• 4242-CTO
• 4243-CTO
• 4244-CTO
• 4246-CTO
16
System board assembly for T520 and T520i, optimus, non-AMT, non-TPM, non-AES
• 4239-CTO, 32x, 4Hx
• 4240-CTO, 3Ex, 3Fx, 3Gx, 3Kx
• 4241-CTO
• 4242-CTO
• 4243-CTO
• 4244-CTO
• 4246-CTO
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Hardware Maintenance Manual
FRU no.
CRU
ID
04W2022 N
04W3255 N
04W2024 N
04W3256 N
04W2026 N
04W3257 N