hints & tricks in no particular order
I may need to build a 34 (standard) <-> 26 (laptop) connector soon. Source: IBM/PC pinout (common PCs) Pin Name PC Drive Description 2 /REDWC Density Select 4 n/c Reserved 6 n/c Reserved 8 /INDEX Index 10 /MOTEA Motor Enable A 12 /DRVSB Drive Sel B 14 /DRVSA Drive Sel A 16 /MOTEB Motor […]
Title says it all :) I wanted to build a serial loopback plug compatible with the ancient CheckIt diagnostic tool. It wires serial inputs to serial outputs so that the port may be tested. There is more than one way to wire up a loopback plug - but this is the most common. Pinout front view: From Pin […]