IBM 06H9989 | System Board with 512K Cache

Here are the technical specifications for the IBM System Board with 512K Cache:

1. Processor Socket: Socket 7
2. Cache Memory Installed Size: 512 KB
3. Chipset Type: Intel 430VX
4. RAM Memory Slots Quantity: 4 x 72-pin SIMM
5. Expansion Slots: 3 x ISA, 3 x PCI
6. On-Board Audio: None
7. On-Board Video: None
8. BIOS Type: Phoenix
9. Max RAM Supported: 256 MB
10. Form Factor: AT
11. Power Connectors: AT Power Connector
12. I/O Ports: 1 x Parallel, 2 x Serial, 1 x PS/2 Keyboard, 1 x PS/2 Mouse, 1 x VGA

Helpful notes:
1. This system board is compatible with Intel Pentium and AMD K5/K6 processors.
2. It supports up to 256 MB of RAM, which was a large amount for its time.
3. This board is designed for use in AT form factor cases and requires an AT power supply.