Yes i know Hotswaping is not New But a program call Xplorer360 Is
and with this Nice program you can Easly restore a Xbox from error code 21 or 13 (any dash error)
(NOTE) Never At anypoint trun Xbox OFF with IDE Unpluged this will KILL the Xbox HDD if Donethangs you'll Need
1. xbox with error code 21 or 13
2. A fresh copy of C: and E: you can get at
www.smdepot.net/files.phpor
http://www.megaupload.com/?d=2PQ3V6LM (Note)
DO NOT USE the SID 4.0 installer in this Pack
3. Xplorer360 - witch you can get from Here or
http://www.afterdawn.com/software/system_tools/manage_external_devices/xplorer360.cfm4. a PC with 2 IDE connections (aka) Primary master and Secondary master
OK frist thangs frist you need to take Out all HDDs and CD/DVD roms from your PC
Now place your PC's HDD with OS on it On Secondary master you can check to see witch IDE is Secondary master by going in to PC Bios
Trun on Pc BUT befor pc boots up Hit the Pause/break button on your Keybarod
Now here is the Hard part...
Trun Xbox On... Just befor the Error code pops up Unplug the Xbox's IDE soon after you do that the Xbox with read error Code or will Stick on the Big X screen
(Note) when doing this with No error code the Xbox Stoped and Stuck on the Big X screen., With error code the xbox gone right to error code
OK now plug in the Xbox HDD into the PC (Primary master) and hit any key on Keybarod to boot PC
(Note) this may take time to Boot DO NOT TRUN PC OFF
After Pc is On and your On Winxp Start
xplorer360.exe

Now click on Drive>Open>Harddrive or Memcard
(Note) you may get a Error This is Fine As long as you see the partitions Popup in the Left hand screen


(NOTE) at this Point if you Backed up eeprom.bin with Softmod Look for it and copy it to PC Now
Should be in E:/dashbarods/Backup
or C:backup or E:/Backup
partition 3 = C:
partition 4 = E:
just delete everythang in partition 3 and partition 4
Now you'll Have to do File By File with partition 3 (aka C:\)
HighLite pertion 3 and Right click on right side sreen pick Insert file
just do this with the 3 files in C:
xboxdash.xbe, Xbox.xtf, Xboxbook.xtf
Now right click agin this time Pick Insert Folder
pick Audio, Fonts, xboxdashdata.185ead00, xodash (One By One)


Now Highlite on partition 4 and delete all thats in it
Now Make 2 folders UDATA and TDATA
Now just Unplaug IDE from PC then place Xbox HDD back On Xbox's IDE then trun OFF Xbox And trun Back On
(Note) DO NOT TRUN XBOX OFF IF IDE IS UNPLUGED FROM XBOX HDDIf done right you'r Xbox is Now Fixed And back to Stock
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MORE HELP IF NEED BE
The pics show you how the Xbox HDD and PC HDD should Be pluged UP


