Sun 501-1382 | System Board (Motherboard) for SPARCstation 1

Technical Specs:
- Processor: Supports either a 20 MHz or 25 MHz SPARC processor
- Memory: Supports up to 64 MB of RAM
- Expansion Slots: 4 SBus slots
- Onboard Interfaces: SCSI-2, Ethernet, and serial ports
- Power Requirements: +5V, +12V, -12V DC power
- Form Factor: Full-size ATX
- Dimensions: 12 x 9.6 inches
- Weight: 2.2 lbs
- Operating System Support: SunOS 4.1.1, Solaris 1.x
- BIOS: OpenBoot 1.x
- Cache: 256 KB
- Bus Speed: 20 MHz or 25 MHz

Helpful Notes:
- This motherboard is a refurbished, Grade-A product, meaning it has been thoroughly tested and certified to be in excellent condition.
- The four SBus slots provide ample room for expansion, allowing for the addition of peripherals such as graphics cards, sound cards, and additional network interfaces.
- The Sun System Board is compatible with both SunOS and Solaris operating systems, making it a versatile choice for those looking to run a variety of software applications.