db9 to db25 null modem cable for x68000 x68k pcDB9 female to DB25 male null modem cableX68000 X68K null modem cableHow to make a null modem cable for X68000 <> PC data transfersHere are the pinouts for confirmed working null modem cable with partial handshaking. It is fully Magic Knights tutorial compatible, handles speeds up to 38400 bps reliably and supports hardware flow control.Signal name DB9 Female DB25 Male Signal nameData Carrier Detect (DCD) 1 4 + 5 Request To Send (RTS) + Clear To Send (CTS)Receive Data (RD) 2 2 Transmit Data (TD)Transmit Data (TD) 3 3 Receive Data (RD)Data Terminal Ready (DTR) 4 6 Data Set Ready (DSR)Signal Ground (SGND) 5 7 Signal Ground (SGND)Data Set Ready (DSR) 6 20 Data Terminal Ready (DTR)Length:6 feetRequest To Send (RTS) + Clear To Send (CTS) 7 + 8 8 Data Carrier Detect (DCD)Package Included: 1 x DB9 to DB25 Null modem Cable for X68K Printer 6ftBuyer Read:The X68000 (Japanese: エックス ろくまんはっせん Hepburn: Ekkusu Rokuman Hassen) is a home computer created by Sharp Corporation, first released in 1987, sold only in Japan.The first model features a 10 MHz Motorola 68000 CPU (hence the name), 1 MB of RAM, and no hard drive; the last model was released in 1993 with a 25 MHz Motorola 68030 CPU, 4 MB of RAM, and optional 80 MB SCSI hard drive. RAM in these systems is expandable to 12 MB, though most games and applications do not require more than 2 MB.