FBSD Book

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Now your Modem is installed.
45.1.3. Configuring a Modem IRQ/COM Port and Device Driver
Turn on your Computer and Boot to FreeBSD with the -c Option. If your computer is already on,
you will need to reboot it. At start-up, you will see the Boot: prompt; type -c and press ENTER.
>> FreeBSD BOOT @ 0x10000: 639/31744 K of Memory
Usage: [[[0:]fd](0,a)]/kernel][-abcCdghrsv]
Use 1:sd(0,a)/kernel to boot sd0 if it is BIOS drive 1
Use ? for file list or Enter for defaults
Boot: -c
Now it should start booting and take you to a config> prompt. Here you need to type visual
45.2. Configuring the modems
Not Yet Scheduled
45.3. Multiport modem boards.*
BocaBoard 16 Port
In order to use a Multi port board, you need to modify your kernel. If you have never built your
own custom kernel, see the directions on Creating Custom Kernels in the Basic FreeBSD
programming section.
In your Custom Kernel Config File, add the following line at the top of the document:
options COM_MULTIPORT #Multi-Port Support
Next you need to add support for the extra COM ports. Each new COM port needs to have a
"device" entry in the Kernel Config File or the Kernel will not be able to recognize it as a valid
piece of hardware. BOCA Multi-port boards use a shared IRQ.
You will need to specify the Port memory starting address and the IRQ of the card using the
jumpers found on the card. Follow the instructions provided by BOCA for the card that you use.
A BOCA 8 port board will not work because it doesn t have the modem control capabilities. You
will also need to buy db25 to rj45/10 connectors to connect from the BOCA breakout box to the
external modems.
You will need to add the following to your Kernel Config File, assuming that your starting port
address is 100h and the IRQ is 12.
This is an example of a BOCA 16 port Board Sharing IRQ 12, with a starting address of 100H.
Adjust your settings as required. You ll notice that I commented out sio1-3 from the File, but left
sio0. I am using a mouse on COM1 and am not using any of the other Serial ports. You can start the
BOCA sio numbering at the first free COM Port.
Save the file and rebuild your kernel.
Now we need to edit /etc/ttys and add the lines to activate all the extra lines.
Next we create the required devices in /dev
Next we edit /etc/modems so it initializes all the new Devices at startup.
Last we reboot.
45.4. pppd
Not Yet Scheduled
46. FreeBSD as a LAN Server
46.1. PC Imaging Software (Pcrdist and Samba)
46.1. PC Imaging Software (Pcrdist and Samba)
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