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;Note: This line MUST appear ''after'' any driver that uses a communications port, but ''before'' USB serial drivers (e.g., USBSER.SYS and/or USBCOM.SYS).
;Note: This line MUST appear ''after'' any driver that uses a communications port, but ''before'' USB serial drivers (e.g., USBSER.SYS and/or USBCOM.SYS).
;Note: See other notes related to COM.SYS.
;Note: See other notes related to [[COM.SYS]].
;Tip: To specify address and interrupt manually, use the syntax (port,address,IRQ), e.g.:
;Tip: To specify address and interrupt manually, use the syntax (port,address,IRQ), e.g.:
:Set COM3 and COM4 at address 3E8 on IRQ 4 and 2E8 on IRQ 3:
:Set COM3 and COM4 at address 3E8 on IRQ 4 and 2E8 on IRQ 3:

Revision as of 17:20, 29 August 2021

This driver is required for serial communications on ACPI systems.

DEVICE=\OS2\Boot\PSCOM.SYS <parameters>
Note
This line MUST appear after any driver that uses a communications port, but before USB serial drivers (e.g., USBSER.SYS and/or USBCOM.SYS).
Note
See other notes related to COM.SYS.
Tip
To specify address and interrupt manually, use the syntax (port,address,IRQ), e.g.:
Set COM3 and COM4 at address 3E8 on IRQ 4 and 2E8 on IRQ 3:
  DEVICE=drive:\OS2\COM.SYS (3,3E8,4) (4,2E8,3)

Parameters

  • /V - Verbose
  • /W - Wait verbose mode. Displaying pauses with a "Press Enter to continue..." message.
  • /F - Find COM ports on PCI combo (serial/parallel) cards automatically.