post4d5V PCI interface (not compatible with ALIX.1C ALIX.1D). During power on self-test (POST), most PC BIOSes will write diagnostic codes to port 80h or port 84h (jumper selection). Use post4dby Add Komoncharoensiri, Director of Technical Services at 4D Inc. Here we go with another set of tips and tricks. The 4D Knowledge Base is a library of information about 4D technology where weekly tech tips and monthly