No. | FRU (Overall) | FRU no. | CRU |
| | | | ID |
| | | |
15 | SATA 2.5" solid state drive, 160 GB, 7 mm height | 45N8057 | ** |
| • | 4239-CTO | | |
| • | 4240-CTO | | |
| • | 4241-CTO | | |
| • | 4242-CTO, 2Ax | | |
| • | 4243-CTO | | |
| • | 4244-CTO | | |
| • | 4246-CTO | | |
| • | 4249-CTO | | |
| • | 4260-CTO | | |
| • | 4270-CTO | | |
| • 4276-CTO, 22x, 2Zx, 36x | | |
| • | 4281-CTO | | |
| • | 4282-CTO,2Sx, 32x | | |
| • | 4284-CTO, 43x | | |
| | | |
16 | System board assembly for T520 and T520i, integrated, AMT, TPM | 04W2020 | N |
| • 4239-CTO, 22x, 25x, 46x | | |
| • 4240-CTO, 29x, 2Dx, 2Fx, 2Gx, 2Jx, 2Kx, 3Bx, 3Cx, 3Mx, 46x, 4Ax, 4Ex, 4Px, 4Qx | | |
| • | 4241-CTO, 26x | | |
| • 4242-CTO, 22x, 23x, 24x, 25x, 29x, 2Ax, 2Bx, 2Cx, 2Ex, 2Fx, 2Gx, 2Hx, 2Px, 2Qx, 2Rx, | | |
| | 2Zx, 32x, 34x, 39x, 3Hx, 3Kx, 3Mx, 3Nx, 3Px, 45x, 4Ax, 4Ex, 4Rx, 4Sx, 4Wx, 56x, 57x, 58x | | |
| • 4243-CTO, 29x, 3Rx, 3Wx, 3Zx, 4Bx, 4Wx, 4Yx | | |
| • | 4244-CTO | | |
| • | 4246-CTO | | |
| | | |
16 | System board assembly for T520 and T520i, optimus, AMT, TPM | 04W2021 | N |
| • 4239-CTO, 23x, 24x, 26x, 34x, 42x, 43x, 45x | | |
| • 4240-CTO, 2Ax, 2Hx, 2Nx, 2Px, 3Dx, 3Px, 3Qx, 47x, 48x, 49x, 4Gx, 4Hx, 4Jx, 4Lx | | |
| • | 4241-CTO | | |
| • 4242-CTO, 27x, 28x, 2Jx, 2Kx, 2Lx, 2Mx, 2Nx, 2Sx, 2Tx, 2Ux, 2Vx, 2Wx, 2Xx, 2Yx, 33x, | | |
| | 35x, 36x, 37x, 38x, 3Lx, 3Qx, 46x, 49x, 4Cx, 4Dx, 4Fx, 4Gx, 4Mx, 4Tx, 4Ux, 4Vx, 4Zx, | | |
| | 52x, 53x, 54x, 59x | | |
| • 4243-CTO, 27x, 28x, 3Tx, 3Ux, 3Vx, 4Jx, 4Kx, 4Ux, 4Vx, 4Xx, 5Ax | | |
| • | 4244-CTO | | |
| • | 4246-CTO | | |
| | | |
16 | System board assembly for T520 and T520i, integrated, AMT, non-TPM | 04W2022 | N |
| • | 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 | 04W2023 | N |
| • | 4239-CTO, 33x | | |
| • | 4240-CTO | | |
| • | 4241-CTO | | |
| • | 4242-CTO, 4Hx | | |
| • | 4243-CTO | | |
| • | 4244-CTO | | |
| • | 4246-CTO | | |
| | | | |
