This procedure can be used to recover a dead slug using the internal serial port, only no ethernet connection is required.

Not sure which legal values are available for baudrate, admittedly you're not likely to want to go at a slower speed

When the download is completed, statistics are output like:

You can use ymodem if required command is

load -r -v -b 0x01000000 -m ymodem

(use ymodem-g within hyperterminal - at 115200 upload takes 20mins)

Warning!! This document describes an advanced procedure! If you are trying to recover from a bad upgrade and are new to the NSLU2, please try the RecoverFromABadFlash procedures first.

Warning!! This document describes an advanced procedure! If you are trying to recover from a bad upgrade and are new to the NSLU2, please try the http://www.nslu2-linux.org/wiki/HowTo/RecoverFromABadFlash procedures first.

Warning!! This document describes an advanced procedure! If you are trying to recover from a bad upgrade and are new to the NSLU2, please ask for assistance on the NSLU2-General Mailing List.

Warning!! The document describes an advanced procedure! If you are trying to recover from a bad upgrade and are new to the NSLU2, please ask for assistance on the NSLU2-General Mailing List.

<< http://tech.groups.yahoo.com/group/nslu2-general/ >>

The procedure below carries a strong risk of damaging your NSLU2!!

Warning!! The document describes an advanced procedure! If you are trying to recover from a bad upgrade and are new to the NSLU2, please ask for assistance on the NSLU2-General Mailing List. <<http://tech.groups.yahoo.com/group/nslu2-general/>>

  The procedure below carries a strong risk of damaging your NSLU2!!

When the download is completed, statistics are outputted like:

Enter the command:\\

When the download is completed, statistics are outputted like:\\

For safety's sake, you can now do a checksum on the file to ensure it didn't get corrupted in transit. Simply type: \\

When the download is completed, statistics are outputted like:

Raw file loaded 0x01000000-0x017fffff, assumed entry at 0x01000000\\

Connect the serial cable as indicated here at the redboot> prompt it is possible to enter various commands.

It outputs some statistics like this when it completes the download

Raw file loaded 0x01000000-0x017fffff, assumed entry at 0x01000000

This procedure can be used to recover a dead slug using the inbuilt serial port, only no ethernet connection is required.

In Windows Hyperterminal, Click Transfer - Send File - select xmodem and browse for your file. You haven't much time before the command will time out, so don't take too long browsing for your file.

Because you didn't overwrite the SysConf part of the flash, your slug will still be using the same IP address as before. Remember to set your subnets appropriately, and ensure you're looking for it in the right place. If you wish to erase the SysConf as well then follow the instructions to Reset the SysConf

It should just be the following command, but recheck here in case it has changed recently

Enter the command:

Click Transfer - Send File - select xmodem and browse for your file. You haven't much time before the command will time out, so don't take too long browsing for your file.

Verify the firmware.\\

Write the firmware to the flash.\\

Restart the slug.\\

This procedure can be used to recover a dead slug using the inbuilt serial port only no ethernet connection is required.

Enter the command

When it completes, it will take roughly 50mins at 115200 baud hyper terminal claims 2916cps.

And you should get a set of numbers calculated from the file. For the R25 firmware, these should be: 3007264634 8388608. If not (and you're not using a different firmware version), you should probably try loading the file again. \\

It is especially useful if you can't get the Ethernet Port to work on the NSLU2 in redboot.

connect the serial cable as indicated here at the redboot> prompt it is possible to enter various commands.

I've done the upgrade at 115200 baud using xmodem you can adjust the baudrate if required using the baudrate -b 9600 command for instance to set 9600 baud , it will ask for confirmation in the new speed. If you fail to answer 'y' at the new speed prompt it

Not sure which legal values are available for baudrate, admittedly your not likely to want to go at a slower speed

Eter the command

You haven't much time before the command will time out, so don't take too long browsing for your file.

Wn it completes, it will take roughly 50mins at 115200 baud hyper terminal claims 2916cps.

when it completes, it will take roughly 50mins at 115200 baud hyper terminal claims 2916cps.

It outputs some statistics like so, Raw file loaded 0x01000000-0x017fffff, assumed entry at 0x01000000,

when it completes, it will take roughly 50mins at 115200 baud hyper terminal claims 2916cps It outputs some statistics like so Raw file loaded 0x01000000-0x017fffff, assumed entry at 0x01000000 xyzModem - CRC mode, 65537(SOH)/0(STX)/0(CAN) packets, 3 retries

The checksum for Unslung 6.8 is:

1. Write the firmware to the flash.
   \\

connect the serial cable as indicated here

It should just be the following command, but recheck here in case it has changed recently

It should just be, but recheck here in case it has changed recently

fis erase -f 0x50040000 -l 0x20000

Make sure you type it in exactly as you may damage other parts if you make a mistake.

using the inbuilt serial port only no ethernet connection is required.

1. Verify the firmware.
   
   For safety's sake, you can now do a checksum on the file to ensure it didn't get corrupted in transit. Simply type:
   
   cksum
   
   and you should get a set of numbers calculated from the file. For the R25 firmware, these should be: 3007264634 8388608. If not (and you're not using a different firmware version), you should probably try loading the file again.
   
   The checksum for NSLU2_V23R63.bin is:

1. Write the firmware to the flash.
   
   Cross your fingers and type:
   
   fis write -f 0x50060000 -b 0x01060000 -l 0x7a0000
   
   This will write the kernel, ramdisk and trailer portions of the firmware to the right position in the flash. This may take up to 5 minutes. When it's finished and you get your Redboot prompt back, your slug should be fixed.
   
   Because you didn't overwrite the SysConf part of the flash, your slug will still be using the same IP address as before. Remember to set your subnets appropriately, and ensure you're looking for it in the right place. If you wish to erase the SysConf as well then follow the instructions to reset the SysConf
2. Restart the slug.
   
   With fingers still crossed, type:
   
   reset
   
   Be ready to celebrate when you hear that strangled little beep it makes as it finishes booting and is ready to be used.

\\

This procedure can be used to recover a dead slug using the inbuilt [[AddASerialPort]serial port] only no ethernet connection is required.

It is especially useful if you can't get the Ethernet Port to work on the NSLU2

I've done the upgrade at 115200 baud using xmodem you can adjust the baudrate if required using the baudrate -b 9600

command for instance to set 9600 baud , it will ask for confirmation in the new speed. If you fail to answer 'y' at the new speed prompt it reverts back to the original speed.

Not sure which legal values are available for baudrate, admittedly your not likely to want to go at a slower speed

Windows Hyperterminal

Click Transfer - Send File - select xmodem and browse for your file.

You haven't much time before the command will time out, so don't take too long browsing for your file.

This procedure can be used to recover a dead slug using the inbuilt serial port.

It is especially useful if you can't get the Ethernet Port to work on the NSLU2

connect the serial cable as indicated here

at the redboot> prompt it is possible to enter various commands.

I've done the upgrade at 115200 baud using xmodem you can adjust the baudrate if required using the baudrate -b 9600 command for instance to set 9600 baud.

Not sure which legal values are available for baudrate admittedly your not likely to want to go at a slower speed

enter the command

load -r -v -b 0x01000000 -m xmodem

And using your terminal emulator start an upload using xmodem protocol.

Windows Hyperterminal click Transfer - Send File - select xmodem and browse for your file.

You haven't much time before the command will time out, so don't take too long browsing for your file.

when complete takes 50mins at 115200 baud hyper terminal claims 2916cps

You can use zmodem if required command is

load -r -v -b 0x01000000 -m zmodem

type cksum

blah de blah de blah

You can us