HP 4108GL Management And Configuration Manual page 440

Troubleshooting
Restoring a Flash Image
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Since the OS file is larage, you can increase the speed of the download by
changing the switch console and terminal emulator baud rates to a high
speed. For example:
a. Change the switch baud rate to 115,200 Bps.
b. Change the terminal emulator baud rate to match the switch speed:
In HyperTerminal, select Call | Disconnect.
i.
ii. Select File | Properties.
iii. click on [Configure . . .].
iv. Change the baud rate to 115200.
v. Click on [OK]. In the next window, click on [OK] again.
vi. Select Call | Connect
vii. Press [Enter] one or more times to display the => prompt.
Start the Console Download utility by typing do at the
pressing [Enter]:
You will then see this prompt:
At the above prompt:
y
a. Type (for Yes)
b. Select Transfer | File in HyperTerminal.
c. Enter the appropriate filename and path for the OS image.
d. Select the Xmodem protocol (and not the 1k Xmodem protocol).
e. Click on [Send].
If you are using HyperTerminal, you will see a screen similar to the
following to indicate that the download is in progress:
prompt and