Prolifc PL2303 USB 2.0 to COM: Difference between revisions

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===Testing the Device===
===Testing the Device===
Add to the config.sys
Add the following line to the config.sys below USBKBD.SYS.
  DEVICE=C:\os2\boot\USBCOM.SYS /V
  DEVICE=C:\os2\boot\USBCOM.SYS /V
Below USBKBD.SYS


If the device is unplugged I get:
If the device is unplugged you get:
  [C:\]mode COM1
  [C:\]mode COM1
  SYS0021: The drive is not ready.
  SYS0021: The drive is not ready.


If I plug the device I get
If you plug the device you get:
  [C:\]mode COM1
  [C:\]mode COM1
  baud    = 9600                  parity  = NONE
  baud    = 9600                  parity  = NONE

Revision as of 15:57, 19 July 2023


Prolifc PL2303 USB 2.0 to COM
Port: USB
Rating:
Very Good
Driver: USBCOM.SYS

General Specs

  • Model: PL2303 USB 2.0 to COM
  • HardwareID: 067b:2303

General Comments

The device is recognized by lsusb like "Prolific Technology, Inc. PL2303 Serial Port / Mobile Phone Data Cable"

Testing the Device

Add the following line to the config.sys below USBKBD.SYS.

DEVICE=C:\os2\boot\USBCOM.SYS /V

If the device is unplugged you get:

[C:\]mode COM1
SYS0021: The drive is not ready.

If you plug the device you get:

[C:\]mode COM1
baud     = 9600                   parity   = NONE
databits = 8                      stopbits = 1
TO       = OFF                    XON      = OFF
IDSR     = OFF                    ODSR     = OFF
OCTS     = OFF                    DTR      = ON
RTS      = ON                     BUFFER   = N/A