MSCOMM支持大于16个串口限制。 I noticed a few posts about the limitation to port 1-16 of MSComm. As I completed my generic ASCOM DSLR driver, I wanted to fix this limitation. There is a hack that can be done to the mscomm file to increase the port number to 1-
修改MSComm 支持256个串口; Get an HEX editor open C:\windows\system32\mscomm32.ocx (make a backup copy too) Find the string "66 3D 10 00" (there is only one) Change the string to "66 3D FF 00" Save the file.