Each is marked "I/O Planar" and has eight 8 bit ISA expansion slots, is approx. ¼ the standard XT size, has a standard motherboard power connector, one adjustable capacitor, 12 fixed capacitors, 2 resistors and one IC
Perfect for the experimenter for use in custom XT computers or in an expansion box
Boards are in good physical condition, sold untested and As-Is for $5 each