Compaq HP 278006-001 Vintage Riser Card Backplane Board 007090-001 @MB66

Vintage HP Sound Modem Game PCI Card 900079 with riser card

Vintage IBM ISA Riser Card - P/N 65G8634 B129R288150-3-Slot Expansion Board. KLT

HP 5064-7456 ISA PCI BACKPLANE RISER BOARD

Vintage PCB board with some Intel, NEC & LCI chips - Gandalf 2701A REVB ECO PCB

Vintage NEC Computer Parts Circuit Board For Parts / Repair 1990

PICMG ISA/PCI Riser Backplane Adapter Board, Vintage

Vintage NEC D765AC Controller Card For Floppy Printer Game ?