IBM 04W0680 | System Board (Motherboard) i5-2540 2.50GHz for ThinkPad X220

Here are the technical specifications for the IBM System Board (Motherboard) i5-2540 2.50GHz for ThinkPad X220:

1. Processor: Intel Core i5-2540M 2.50 GHz
2. Chipset: Intel QM67 Express
3. Memory: 2 DDR3 SDRAM slots, supporting up to 8GB RAM
4. Graphics: Integrated Intel HD Graphics 3000
5. Audio: High Definition (HD) Audio, Conexant CX20672 codec
6. Ethernet: Intel 82579LM Gigabit Ethernet
7. Wireless: Intel Centrino Advanced-N 6205
8. Bluetooth: Bluetooth 3.0
9. Expansion Slots: 1 ExpressCard/54 slot, 1 Smart Card reader slot
10. Storage: 1 SATA III (6 Gbps) 2.5" HDD/SSD bay
11. Ports: 3 USB 2.0, 1 USB/eSATA combo, 1 VGA, 1 DisplayPort, 1 RJ-45, 1 microphone/headphone combo jack
12. Power: 65W AC adapter

Helpful notes:
1. The Intel Core i5-2540M processor has a base clock speed of 2.50 GHz and can turbo boost up to 3.30 GHz.
2. The Intel Centrino Advanced-N 6205 wireless card supports dual-band Wi-Fi (2.4 GHz and 5 GHz) and has a maximum speed of 300 Mbps.
3. The ThinkPad X220 motherboard is compatible with Windows 7 and Windows 10 operating systems.