JET-1027 ISA Step Card

Full compatible any motherboard with has ISA Bus Slot. POST code indicator for free run mode. Switch Step and free run mode in any time. Set check point for MEMR (Memory Raise) or POST (POST code write). The Step card will halt the CPU when check point occurs. ISA Address/Data bus indictor -- indicates ISA ADDRESS and DATA for 7-segment LED for HEX format.