ISA RS232 Serial & Parallel Port Expansion Card ISA COM1 COM2 LPT PC Adapter new
COM2 Serial: Pin Interface. COM1 Serial: DB9 Port. Retro computer ISA interface card, 8086 80286 80386 80486 586 for pentium or for Celeron machine with ISA slot can be used. 1 ISA RS232 Serial and Parallel Port Card.