Linksys EF1324 manual Appendix, Upgrading Firmware via the Serial Port

Instant EtherFast® Series

Appendix

Upgrading Firmware via the Serial Port

You can upgrade system firmware by connecting your computer to the serial port on the Switch and using a console interface package that supports the XModem protocol.

1.Restart the system by using the Restart System command, or by pulling out the power cord to reset the power, waiting five seconds, and plugging it back in.

2.When the system initialization screen appears as shown below, press “D” to download system firmware, and then indicate the code type (<r> Runtime image or <d> Diagnostic image).

POST Version V2.55.A03 8/18/2000

------ Power-On SElf Test (POST) ------

Int. Loopback Testing SCC2 UART Channel ...PASS

Testing the System SDRAM...PASS Int. Loopback Testing _____UART Channel ...PASS

Int. Loopback Testing _____UART Channel ...PASS

CPU Self	Test	...PASS
FlashROM	CheckSum Test	...PASS

!!!If you want to download image file, Please press <D> to download:

!!!Download Runtime image, press <r>

!!!Download Diagnostic image, press <d>

!!!Clear the system parameter block, press <c>r Please input the Baud Rate as following:

Press 1: Baud Rate = 9600

Press 2: Baud Rate = 19200

Press 3: Baud Rate = 38400

Press 4: Baud Rate = 57600

Press 5: Baud Rate = 115200

Select a number and then press <ENTER> !!! 5

Please change local console BaudRate to exact rate and press <ENTER>!!!

EtherFast® Layer 3 Management 24-Port 10/100 + 2-Port Gigabit Ethernet Switch

3.Change your baud rate to the selected value, and press Enter to enable download. From the terminal emulation program, select the file you want to download, set the protocol to XModem, and then initialize downloading.

Note: If you use Windows Hyperterminal, disconnect it. Set the baud rate, and reconnect it.

Note: The download file should be a binary file or an image file; other- wise, the agent will not accept it.

4.After the file has been downloaded, the console screen will display infor- mation similar to that shown below. Press Enter to download to permanent memory, and change the baud rate back to 19200. Press Enter to start decompressing the new firmware, and then press Enter to open the Logon screen.

XModem Download to 0x00400020: ... SUCCESS ! (P)ermanent or (T)emporary Download: [P]

Update RunTime Image at 0x03040000 ... ... SUCCESS ! Change to original Baud Rate and Press <ENTER> to Run Application !!!

Decompress now...... !!!

run-time code starting now. !!! Starting System ...

MAINBOARD	OCTOPUS0	RAMBIST TEST	PASS!
MAINBOARD	OCTOPUS1	RAMBIST TEST	PASS!
MAINBOARD	OCTOPUS2	RAMBIST TEST	PASS!
MAINBOARD	OCTOPUS3	RAMBIST TEST	PASS!
MAINBOARD	DOLPHIN	RAMBIST TEST	PASS!
MAINBOARD	STARFISH	RAMBIST TEST	PASS!

Press <Enter> to start UI

Your firmware has now been updated.

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