This is a vintage 486-era motherboard featuring an IBM Blue Lightning DX2 processor and an AMI BIOS.
This AT-style motherboard was common in mid-90s PC clones.
Key features visible in the image include
Processor: An IBM-branded "Blue Lightning DX2" CPU, which was a clock-doubled 486-class chip based on Cyrix technology.
Expansion Slots: Seven 16-bit ISA (Industry Standard Architecture) slots (black) for older peripheral cards like sound or network adapters.
Memory: Eight 30-pin SIMM slots for RAM modules and a dedicated bank of SRAM cache chips.
Specialty Components: Includes an AMI (American Megatrends) BIOS chip and a Dallas Real-Time Clock (RTC) module.
Was pulled from working environment but Due to age is sold AS IS.