[comp.unix.xenix] SCO serial port configuration

grimshaw@uiucdcsp.UUCP (06/11/87)

Does anyone have any experience with the four serial port option
of the Qubie' AT4X4 Plus card under Xenix.  I have one of these cards
and have been unable to use all of the ports.  The system I am trying
to use the card on is :
	Tandy 3000
	SCO Xenix ver. 2.13
	hayes compatible internal modem, configured as com2
	AT4X4 Plus card with 1 meg of memory and four serial ports.

The serial ports are configured as :
	com#		Address		interrupt
	com7		2a0-2a7		irq4
	com6		298-29f		irq4
	com1		3f8-3ff		irq4
	com5		290-297		irq4

Thus, all four ports are using the com1 interrupt.  With the Qubie 
card I cannot change the address if I want to use all four ports. 
Com1 works just fine under SCO Xenix, but it does not recognize the 
other ports.  I have done a mkdev serial, so the ports are in /dev.

My questions to the net are:
	1	Does anyone have a driver for the Qubie' (basic time)
		board for SCO Xenix?
	2	Does anyone know of a patch to Xenix to change the 
		addresses at which it looks for the serial ports? 

Any help or pointers to a solution are greatly appreciated.

Andrew Grimshaw

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|	Andrew Grimshaw University of Illinois	 Dept. of CS (217) 333-6680   |
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