IBM 02K1388 | I/O System Board

Here are 12 technical specifications for the IBM I/O System Board:

1. Compatibility: IBM ThinkPad A20, A21, A22, and A30 series laptops.
2. Expansion slots: 2 x Type II or 1 x Type III PC Card slot.
3. Ports: 1 x RJ-45 Ethernet port, 2 x USB ports, 1 x parallel port, 1 x serial port, 1 x VGA port, 1 x PS/2 keyboard port, 1 x PS/2 mouse port.
4. Chipset: Intel 815EM chipset.
5. Memory: 2 x 144-pin SO-DIMM slots for up to 512 MB of PC100 or PC133 SDRAM.
6. Audio: AC'97 audio codec with a built-in speaker and microphone.
7. Video: ATI Rage Mobility-M graphics controller with 8 MB of video memory.
8. BIOS: Phoenix BIOS with ACPI support.
9. Power: Supports both AC and battery power sources.
10. Dimensions: 9.5 x 7.5 inches (24.13 x 19.05 cm).
11. Weight: 1.5 lbs (0.68 kg).
12. Manufacturer: IBM Corporation.

Helpful notes:
1. This I/O system board is a replacement part for IBM ThinkPad laptops and is not compatible with other laptop brands.
2. Upgrading the memory on this board can improve the performance of your laptop.
3. This board is not user-serviceable and should only be installed by a qualified technician.