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- EMS0017 REDIRECTION OF LPT1. PCJR INTERNAL MODEM REDIRECTED
-
- 10/23/85
- IBM PCjr (4860067)
-
- A base model PCjr with no internal modem and no parallel
- printer adapter automatically sends output intended for
- LPT1: to the serial port (for the Compact printer). Hence,
- the use of the serial device is transparent to the user.
- This serial port is also COM1: with no options installed.
- If an internal modem is installed the serial port then
- becomes COM2:. Under these conditions the printer output is
- then sent to the COM2: serial port (the Compact printer).
- This is handled automatically by ROM BIOS.
-
- If a parallel printer adapter is attached, the output
- intended for the printer is automatically sent to the newly
- attached parallel printer. To use the Compact printer,
- output must be redirected to the serial port.
-
- MODE COM1:1200,N,8,2,P
- MODE LPT1:=COM1:
-
- The above two DOS commands work on a PCjr without an
- internal modem. COM2: is used when the modem is installed.
- *** END OF DOCUMENT ***
-
- Note : This modification or recommendation has not been subjected to
- exhaustive testing and may not, in all circumstances, provide
- a complete solution.
- sting and may not, in all circumstances, provide
- a complete solution.