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Star Gate Technologies, Inc.
TurboPort/RA1 & TurboPort/RA2 32-Bit OS/2 Device Driver
Software Instruction Sheet (manual part number: 650170-01)


The TurboPort/RA1 & TurboPort/RA2 32-Bit OS/2 Device Driver has the
same functionality as the COM.SYS OS/2 device driver with some
enhancements added. Follow these instructions to load the TurboPort
driver and to configure the TurboPort ports.

1. Copy the files TURBOPRT.SYS and TMODE.EXE to a directory on your
   hard drive.

2. The following specification must be added to the CONFIG.SYS file
   for each port of the TurboPort: 

	DEVICE=x:\path\TURBOPRT.SYS /F|/S|/P [/R] (c,aaa,ii)

   where x:\path is the drive letter and path of the directory on the
   hard drive where TURBOPRT.SYS is located.

   The parameters for this command are as follows:


   /F|/S|/P
   This parameter is required. Either /F, /S, or /P must be specified,
   or the device driver will not load. 

   The following conditions must be met for the driver to support each
   of the baud rate modes:

	a. Fast Baud Rate Mode
           The jumper pins must be hard-wired for the Fast Baud Rate
           mode, and /F must be specified in the DEVICE= line.

 	b. Standard Baud Rate Mode
           The jumper pins must be hard-wired for the Standard Baud Rate
           mode, and /S must be specified in the DEVICE= line. In
           addition, the COM.SYS specification MUST be below the
           TURBOPRT.SYS DEVICE= line in the CONFIG.SYS file. The COM.SYS
           device driver will support standard clock rates up to 57600
           Baud. 

	c. Software-Select Mode
           The jumper pins must be hard-wired for the Software-Select
           mode, and /P must be specified in the DEVICE= line. The port
           will operate at fast baud rates by default.

   See step 5 of the TurboPort/RA1 and TurboPort/RA2 Hardware
   Instruction Sheet for instructions on setting the jumper connections 
   which determine the baud rate mode of operation.


   /R
   This parameter is optional. The Remap Baud Rate parameter must be
   used if you want to operate at fast baud rates but the application
   you are using will not allow you to set fast baud rates. The parameter
   allows baud rates to be remapped as defined in the table below:


		|---------------------|		    
 		| Remapped Baud Rates |
		|---------------------|     
   		|  110    |   38400   |
		|---------------------|
		|  300    |   57600   |
		|---------------------|
		|  600    |   115200  |
		|---------------------|
		|  1200   |   230400  |
		|---------------------|
		|  2400   |   460800  |
		|---------------------|   


	a. Either the /P or the /F parameter must also be used if you are
           going to use the /R parameter, and the /P or the /F parameter
           must be to the left of the /R parameter. The /R parameter will
           have no effect if the port is configured for Standard Baud Rate
           Mode because the COM.SYS device driver--instead of TURBOPRT.SYS
           --will control the port. 
	      

	b. When the /R parameter is specified, the default baud rate at 
	   boot time will be 230400, which is 1200 remapped.


   (c,aaa,ii)
   These parameters are required. The first parameter (c) is the COM
   number (1, 2, 3, or 4) that you assign to the port. The second
   parameter (aaa) is the three-digit (hex) address (3F8, 2F8, 3E8, or
   2E8) corresponding to COM1, COM2, COM3, and COM4 respectively. The
   third parameter (ii) is the one- or two-digit interrupt number (2,
   3, 4, 5, 10, 11, 12, or 15).


   The following is an example of a DEVICE= line:

	DEVICE=c:\os2\turboprt.sys /p /r (3,3E8,12)

3. The TMODE.EXE utility allows you to configure the TurboPort ports.
   TMODE.EXE performs the same function as the MODE utility with these
   differences:

	a. TMODE allows you to set baud rates up to 460800.

	b. TMODE displays the correct baud rate when the baud rates
	   have been remapped.
      
   Refer to the OS/2 Command Reference Manual for a description of the
   MODE utility as it pertains to setting asynchronous communications
   modes.