Re: /dev/ttyS2 and /dev/ttyS3

From: Bernard Pidoux (rmtk.nhgbd@kent.edu)
Date: Thu Feb 03 2000 - 21:34:00 EET

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    "Brian J. McCarthy" wrote:
    >
    > I've created the following init file:
    >
    > [root@gateway /proc]# cat /etc/rc.d/rc.serial
    > SETSERIAL=/bin/setserial
    > echo "Configuring serial ports...."
    > #
    > ${SETSERIAL} /dev/ttyS0 uart 16550a port 0x3f0 irq 4 ^fourport
    > ${SETSERIAL} /dev/ttyS1 uart 16550a port 0x2f0 irq 3 ^fourport
    > ${SETSERIAL} /dev/ttyS2 uart 16550a port 0x3e0 irq 10 ^fourport
    > ${SETSERIAL} /dev/ttyS3 uart 16550a port 0x2e0 irq 10 ^fourport
    > #
    > echo "done"
    >
    > This produces:
    >
    > [root@gateway /root]# setserial -gav /dev/ttyS?
    > /dev/ttyS0, Line 0, UART: 16550A, Port: 0x03f0, IRQ: 4
    > Baud_base: 115200, close_delay: 50, divisor: 0
    > closing_wait: 3000, closing_wait2: infinte
    > Flags: spd_normal skip_test
    >
    > /dev/ttyS1, Line 1, UART: 16550A, Port: 0x02f0, IRQ: 3
    > Baud_base: 115200, close_delay: 50, divisor: 0
    > closing_wait: 3000, closing_wait2: infinte
    > Flags: spd_normal skip_test
    >
    > /dev/ttyS2, Line 2, UART: 16550A, Port: 0x03e0, IRQ: 10
    > Baud_base: 115200, close_delay: 50, divisor: 0
    > closing_wait: 3000, closing_wait2: infinte
    > Flags: spd_normal skip_test
    >
    > /dev/ttyS3, Line 3, UART: 16550A, Port: 0x02e0, IRQ: 10
    > Baud_base: 115200, close_delay: 50, divisor: 0
    > closing_wait: 3000, closing_wait2: infinte
    > Flags: spd_normal
    >
    > But aprsd and other apps still cannot use any ports except ttyS0. Below is
    > the output from ioports.
    >
    > [root@gateway /proc]# cat ioports
    > 0000-001f : dma1
    > 0020-003f : pic1
    > 0040-005f : timer
    > 0060-006f : keyboard
    > 0080-008f : dma page reg
    > 00a0-00bf : pic2
    > 00c0-00df : dma2
    > 00f0-00ff : fpu
    > 01f0-01f7 : ide0
    > 02e0-02e7 : serial(set)
    > 02f0-02f7 : serial(set)
    > 03c0-03df : vga+
    > 03e0-03e7 : serial(set)

    Is'nt ttyS0 address 3f0-3f7 overlapping
    with 3f6 of ide0 ?

    > 03f6-03f6 : ide0
    > ec80-ecff : eth1
    > ef80-ef9f : Intel Speedo3 Ethernet
    > ffa0-ffa7 : ide0
    > ffa8-ffaf : ide1
    > [root@gateway /proc]#
    >
    > Brian McCarthy
    > N7TUQ
    >

    73 de Bernard, f6bvp.

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