RAMSDOpen
RAMSDOpen
Open RAM I/O drivers and close a ROM Serial Driver SPortSel whichPort ; sPortA=modem port; sPortB=printer port
Apple no longer recommends the use of RAMSDOpen. Instead, use RAMSDOpen closes the ROM Serial Driver and opens the RAM input and output drivers for either a printer port or a modem port. It should only be
used on machines with 64K ROMs.
whichPort is the parameter that identifies the port as being either the modem
port or the printer port.
noErr (0) No error
openErr (-23) can't open driver
Notes: RAMSDOpen determines the kind of Macintosh being used and chooses the appropriate RAM Serial Driver.