3Com 2900 manual Task Remarks, Change the rate of the serial port on the terminal

Task	Remarks
	Required
Set the download rate of the console port on the	Log in to the switch through the HyperTerminal
switch	and then set the download rate of the console
	port on the switch.
	Optional
Change the rate of the serial port on the terminal	Set the baud rate of the serial port on the terminal
	to be consistent with that of the console port on
	the switch.
Establish a connection between the terminal and	Optional
the switch using the changed rate
Uploading an application file from the terminal to	Required
	Transmit a file from the terminal to the switch
the switch
	using the changed connection rate.
Updating the Boot ROM file on the switch	Required
	Update the Boot ROM file on the switch.
	Optional
Restoring the download rate to the default	Set the baud rate of the serial port on the terminal
	to be consistent with the default rate of the
	console port on the switch.
Restarting the switch to make the updated Boot	Required
ROM file effective

1)Enter the Boot ROM update menu on the switch

Enter the Boot ROM menu, and then enter 6 or press Ctrl + U after the system displays “Enter your choice(0-9):” to enter the Boot ROM update menu.

Enter your choice(0-9): 6

1.Update full BootRom

2.Update extended BootRom

3.Update basic BootRom

0.Return to boot menu

Enter your choice(0-3):

The items in the Boot ROM update menu are described in Table 5-2.

Table 5-2Description of the Boot ROM update menu

	Item	Description
1.	Update full BootRom	Update the complete Boot ROM file
2.	Update extended BootRom	Update the extended Boot ROM section
3.	Update basic BootRom	Update the basic Boot ROM section
0.	Return to boot menu	Return to the Boot ROM menu

2)Enter the protocol parameter setting menu

5-4