Epson 7500 - Manual (Page 45)

Setting the I/O Control Options
The I/O control options let you change the settings for the
following built-in interface ports:
Parallel
Serial 1
Serial 2
Hard disk drive controller (IDE)
Diskette drive controller (FDC).
You may need to change these settings if you install an
interface on an option card. The following table lists the
possible settings.
I/O control options
I/O control option Setting Description
COM1 Select Enabled* Enables the COM1 serial port
Disabled Disables the COM1 serial port
COM2 Select Enabled* Enables the COM2 serial port
Disabled Disables the COM2 serial port
Parallel Port
Address
03BCH
0378H*
Sets the parallel port address to
03BCH
Sets the parallel port address to
0378H
0278H Sets the parallel port address to
0278H
Disabled Disables the parallel port
Running the SETUP Program 2-19