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Full Discussion: Parallel Port info?
Special Forums Hardware Filesystems, Disks and Memory Parallel Port info? Post 20387 by auswipe on Thursday 25th of April 2002 11:39:18 AM
Old 04-25-2002
Most Linux and BSD systems that I have used support the `dmesg` command that will give you vital information on your system.

The dmesg below is for my ports on a FreeBSD box:

Code:
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 8250
sio1: configured irq 3 not in bitmap of probed irqs 0
ppc0: parallel port not found.

I have them turned off in the BIOS, hence not too much information about them other than I know they use an old 8250 UART.
 

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LEARN ABOUT NETBSD

wss

WSS(4)							   BSD Kernel Interfaces Manual 						    WSS(4)

NAME

     wss -- Windows Sound System hardware audio driver

SYNOPSIS

     wss0   at isa? port 0x530 irq 10 drq 0 drq2 1
     wss0   at isa? port 0x530 irq 10 drq 0 flags 1
     wss*   at acpi?
     wss*   at isapnp?
     wss*   at pnpbios? index ?
     audio* at audiobus?
     opl*   at wss?

DESCRIPTION

     The wss driver supports Microsoft's Windows Sound System, the MAD16 chip based hardware, and their clones.

     The base I/O port is set by a jumper on the board; valid choices are 0x530, 0x604, 0xE80, or 0xF40.  Both IRQ and DMA channels are software
     programmable.  The IRQ may be set to 7, 9, 10, or 11, and the DMA channel may be set to 0, 1, or 3.

     The device flags must have bit 0 (value 1) set to enable the MAD16 support.  This is to avoid potential conflicts with other devices when
     probing the MAD16 because it requires use of extra I/O ports not in the base port range.  Chips needing this flag include the OPTi 82C928,
     82C929, 82C831, and the OAK OTI-601D.  Setting bit 1 (value 2) in flags disables the joystick port on MAD16 hardware.

SEE ALSO

     acpi(4), audio(4), isa(4), isapnp(4), joy(4), opl(4), pnpbios(4)

BSD
								   June 22, 2005							       BSD
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