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Step 1: Connecting your modem to the serial port
To configure your DSL modem you first have to connect it to the serial port on your computer. The Cisco 675 comes with a special serial cable to connect the serial port of a computer to
the Cisco 675 management port. You can get detailed instructions on how to do this from your US West DSL manual, or follow the diagram below. On a Apple, an adapter cable is
required. If the connection doesn't work using the Mac serial port, try the parallel port.
Reproduced from the US West "Windows Cisco 675 User Guide" © 1999 US West
Step 2: Setting up Hyper Terminal
Now that your Cisco 675 is connected to the serial port, we'll need to configure the Cisco 675 using Hyper Terminal. Do this by clicking 'Start' => 'Programs' => 'Accessories' => 'Hyper
Terminal'. Once Hyper Terminal is active, you'll get a window that looks something like the one below.
Double click on Hypertrm.exe, and follow the steps to configure your connection.
- Enter any name for the connection and click the 'OK' button
- Leave the phone number blank, and in the connect using field select 'Direct to com1'(Like below). You can Also try 'Direct to com 2' if com one does not work.
- Click the 'OK' button.
This will bring up the COM1 (or COM 2) properties window. Follow these steps to make sure that everything looks the same as below.
- Bits per second set to '38400'
- Data bits set to '8'
- Parity set to 'None'
- Stop bits set to '1'
- Flow control set to 'None'
- Click 'OK'
Step 3: Upgrading the BIOS
- Login using your password that you used previously, if it fails just try pressing enter with no password.
- Type 'enable' then enter,
- Press enter at the password prompt, (the prompt will change to a # sign)
- Type "set download code" at the prompt then press enter (you will see a bunch of 'c''s while it's waiting to start the donwload process).
- Click on the 'Transfer' menu item at the top of the screen
- Then select 'Send File' and browse and select the file that you downloaded from our site(975,978CAP,978DMT)
- Send file with XMODEM (no CRC) protocol.
- If transfer fails, DO NOT REBOOT, try again until you succeed.
- When finished, type "reboot" at the prompt.
In the case your upgrade fails and your box will not boot, follow these instructions:
Break into the router command mode by pressing ctrl-c repeatedly during boot up until you get the prompt "=>"
Then type the following commands: (comments follow the --, do not type the -- or anything after!)
df 10008000 --download the file to this location in memory --start and xmodem download with the 675 image
--after transfer is complete you will see the # of bytes it --has written - e.g. 00fe8001 - you will need this later
es 0 --erase sector 0 es 1 --erase sector 1 es 2 --erase sector 2 es 3 --erase sector 3
es 4 --erase sector 4 es 5 --erase sector 5 es 6 --erase sector 6 (running config)
--note this will require the router be reconfigured pb 10008000 fee00000 <size> --program the area of memory to flash area
--<size> is the # of bytes (no brackets) the
--monitor reported being downloaded m0 --turn off monitor
rb --reboot
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