Eric McRae | 4 Jun 2002 16:39

[PARPORT] Lava Dual PCI parallel port under RedHat 7.3

Lavalink's inctructions for their cards are quite clear but may be out
of date.  I recently moved a dual parallel PCI card to a RedHat 7.3
machine and am unclear how I should modify modules.conf to pick up the
new ports.

/sbin/lspci -v shows (among other things):

00:10.0 Parallel controller: Lava Computer mfg Inc Lava Dual Parallel
port A (prog-if 01 [BiDir])
	Flags: slow devsel, IRQ 14
	I/O ports at ecd8 [size=8]

00:10.1 Parallel controller: Lava Computer mfg Inc Lava Dual Parallel
port B (prog-if 01 [BiDir])
	Flags: slow devsel, IRQ 14
	I/O ports at ecd0 [size=8]

Their instruction say to then look in "conf.modules" which I interpreted
as "modules.conf" for parport entries.  Here is my modules.conf:

alias scsi_hostadapter aic7xxx
alias eth0 3c59x
alias parport_lowlevel parport_pc
pre-install pcmcia_core /etc/rc.d/init.d/pcmcia start
alias usb-controller usb-uhci
alias sound-slot-0 cs4232
post-install sound-slot-0 /bin/aumix-minimal -f /etc/.aumixrc -L
>/dev/null 2>&1 || :
pre-remove sound-slot-0 /bin/aumix-minimal -f /etc/.aumixrc -S
>/dev/null 2>&1 || :
options sound dmabuf=1
alias synth0 opl3
options opl3 io=0x388
options cs4232 isapnp=1

Note that there is no options line for the current parallel port.  I
know what to add for the additional Lava ports but what do I specify for
the current port?  I would presume the address to be 0x378 but what
IRQ?  Am I artificially constraining my system if I specify an IRQ? 
Should I do something like:

alias parport_lowlevel parport_pc
options parport_pc io=0x378,0xecd8,0xedc0 irq=auto,auto,auto

Note that the address and IRQ specifications for the Lava card are as
they recommend.
--
Eric McRae, Electro-Logic Machines, Inc.
511 Root St.,  Port Townsend WA, 98368
Phone/Fax: 360.379.0969, http://www.elmi.com

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Gmane