IBM 39T5504 | Lenovo System Board (Motherboard) for ThinkPad R51 Series

1. Brand: IBM Lenovo
2. Model Number: 39T5504
3. Compatible with: ThinkPad R51 Series
4. Form Factor: Laptop Motherboard
5. Processor Socket: Socket 479
6. Chipset Type: Intel 855PM
7. RAM Type: DDR SDRAM
8. Maximum Supported RAM: 2 GB
9. Number of Memory Slots: 2
10. Expansion Slots: 1 x Type I/II PC Card slot, 1 x ExpressCard/54 slot
11. Audio: AD1981B AC'97 Codec
12. Networking: Ethernet, Fast Ethernet, Gigabit Ethernet

Helpful Notes:
1. This motherboard is designed specifically for the ThinkPad R51 series and may not be compatible with other laptops.
2. Upgrading the RAM to the maximum supported capacity can significantly improve the performance of your laptop.
3. It is recommended to seek professional assistance when replacing a laptop motherboard to avoid any damage to the device.