Dearest;
How are you today?
Does anyone have any ideas about how can I confgure my PCCCOM ISA Bus (8
Ports) mutiport serial card to work under Red Hat 5.2?
I try to confgured the card by using the sample from the manual? The
sample configuration is listed below:
I/O port address = 100H
Interrupt = IRQ12
Chip Type = 16550A
Added the following lines to /etc/rc.d/rc.local file
SETSERAIL="/bin/setserail -b"
${SETSERIAL} /dev/cua5 uart 16550 port 0x100 irq 12
${SETSERIAL} /dev/cua6 uart 16550 port 0x108 irq 12
${SETSERIAL} /dev/cua7 uart 16550 port 0x110 irq 12
${SETSERIAL} /dev/cua8 uart 16550 port 0x118 irq 12
${SETSERIAL} /dev/cua9 uart 16550 port 0x120 irq 12
${SETSERIAL} /dev/cua10 uart 16550 port 0x128 irq 12
${SETSERIAL} /dev/cua11 uart 16550 port 0x130 irq 12
${SETSERIAL} /dev/cua12 uart 16550 port 0x138 irq 12
Then I reboot my Linux box, but the system return an error message for
all my /dev/cuaX ports as "The device is busy". What does it mean? And
any ideas about how can I fixed the problem? The IRQ number 12 is a
spare IRQ in my system.
And every time when I created these /dev/cuaX(5-12) files (I used "mknod
/dev/cuaX c 5 64"). It always used the same IRQ 3 which is same as one
of my current /dev/cua2 or /dev/ttyS2 for all my /dev/cuaX(5-12) files!
So how can I create addtional /dev/ttySx files (such as /dev/ttyS5 and
/dev/ttyS6) apart from the default 4 ttySx files (/dev/ttyS0 -
/dev/ttyS3)? Can I used the same command "mknod /dev/ttySx c ? ?"?
Hope have your reply soon!
Have a lovely day!
Luy ya,
Paul
Melbourne, Vic, Australia
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