Use the tables in this section to determine part number information for the laptop.
FRUs that are not listed in this section are listed in the Hardware Maintenance Manual ThinkPad® T520, T520i, and W520. The publication contains information (including part numbers) about those FRUs.
| Part name | Part number |
|---|---|
| Cable, Ethernet, black, rack Ethernet switch to laptop eth0 USB Ethernet adapter | 45W2258 |
| Cable, Ethernet, customer connector at rear of rack to laptop eth2 Ethernet port (Models 941, 951) | 45W6688 |
| Cable, Ethernet, gray, rack Ethernet switch to laptop eth3 USB Ethernet adapter | 45W2262 |
| Cable, USB, black, laptop to black USB Ethernet adapter (Models 941, 951) | 45W3578 |
| Cable, USB, gray, laptop to gray USB Ethernet adapter (Models 941, 951) | 45W3579 |
| Cable bundle assembly: power, modem, and Ethernet (Model 961, standard and business class) | 98Y4006 |
| Cable bundle assembly: power, modem, and Ethernet (Model 961, DS8870 all-flash) | 98Y5014 |
| DVD-RW drive | 98Y1492 |
| DVD-RAM media disc | 23R1971 (Version 2) |
| SDHC memory card, 4GB | 98Y3649 |
| Hard drive, 250 GB | 41U9573 |
| Laptop auto power-on card (connects to laptop bottom docking connector) | 45D8579 |
| Laptop AC power adapter and cable to rear of rack (only used for external HMCs in customer-provided racks) | 45W6932 |
| Laptop AC power adapter for external laptop assembly, Japan | 45W8728 |
| Laptop DC power adapter and cable to rear of rack (only used for an HMC internal to a DS8xxx rack) (Models 941, 951) | 45W2449 |
| Laptop DC power adapter (only used for an HMC internal to a DS8xxx rack) (Model 961) | 98Y3778 |
| Power cable - laptop DC power supply to PDU (Model 961) | 98Y5593 |
| Memory DIMM, 4 GB | 98Y1491 |
| USB Modem and USB cable to laptop (Models 941, 951) | 45W2448 |
| USB Modem (Model 961) | 98Y3992 |
| USB to Ethernet adapter | 45D3566 |
| T520 Laptop (4242-BC5) with English keyboard | 46K2671 |