Here is a list of what is new in this version of the BIOS straight from the NFO file included with it’s release.

- Direct boot of all media, without swapping!
- Fixed compatibility problem with DOL-101 units
- Automatic Media Detection: Insert disc, turn on GC and play!
- Fixed Idle bug, you won't have any DRE if the drive is resting :-)
- Powerful Cheat Code System compatible with Action Replay codes, codes are stored in the Viper GC Flash so no memory card is needed!
- Cheat codes can be either entered using Cobra Menus or loaded from a file using the
- Disc Explorer
- Unique Multi-Boot feature: put several games on one single disc!
- A lot of fixes and low-level changes
- A Swap disc option was left in (called "Change Disc" as you could also replace a
   backup with another backup) to be totally backward compatible.

The Menu Options for v1.0 are explained below!

DIRECT DISC BOOT – This will boot the backup of your choice.  Simply put in an backup. Note – Currently you cannot Direct Boot DVD+R media. Please use the “Change Disc” function.

ORIGINAL BIOS (REGION FREE) – This will boot up the original GameCube BIOS and let you boot any game from any region.

ORIGINAL BIOS – Same as above, but will only boot games for your region.

CONFIGURATION MENU – (has the following sub-options)

COBRA DISPLAY MODE – (has the following sub-options, note that these options only apply to the BIOS display, not the original/backup game you are going to by booting)
AutoDetect – AutoDetect TV display mode
NTSC – NTSC display mode
PAL 50 Hz – PAL 50Hz display mode
PAL 60 Hz – PAL 60Hz display mode

DEFAULT BOOT ACTION – (BIOS boot action)
Display Main Menu – Displays Main Menu
Boot DVD – Goes directly to backup booting mode
Run Original BIOS – Like it says
Run Original BIOS (Region Free) – Like it says

(X) KEY BOOT ACTION – ( 'X' key is pressed at boot)
Display Main Menu – Displays Main Menu
Boot DVD – Goes directly to backup booting mode
Run Original BIOS – Like it says
Run Original BIOS (Region Free)– Like it says

LID SENSOR BEHAVIOR IN ORIGINAL BIOS –
Passthru (if your GC is assembled) – Uses the pass-through cable to determine if the lid is closed or not
Closed (if your GC is disassembled) – Doesn’t use the pass-through cable to determine is the lid is closed, tells the GC it is closed at all times

VERSION INFO – (displays various information about your cube)
Original BIOS Copyrights
Original BIOS Region/Revision
Drive Version & Date
Cobra Version and GC Version Codes

DISC EXPLORER – This will let you browse the contents of your DVD disc
Explore DVD – Browse the contents on an original or burnt DVD Disc

CHEAT CODES – This will let you manage and use your cheat codes.
Enable Cheat Codes – This will either enable or disable the cheat codes. When enabled the string “Cheat Codes Enabled” will appear under the Version 1.0 text
Select/Edit Cheat Codes – Select, Add, Delete, Alter cheat codes

CHANGE DISCS – Changing Discs will let you change to another DVD, backup or original game without restarting the Cube. To boot DVD+R you will need to start the Cube with an original game in the system then use this option and swap with the backup.

Detailed Information on certain BIOS options

DISC EXPLORER

Using the DISC EXPLORER option to EXPLORE DVD you can run custom made GameCube executables (.DOL files), view images (JPEG), load cheats (.COD files) and/or update the BIOS (.VGC files).  See (Preparing a DVDr readable by the GameCube) for more information.

NOTE: Due to the BIOS register issues (See Appendix B) loading DOL’s using various methods may or may not work for you.

CHEAT CODES

The first menu you come to in the Select/Edit Cheat codes option is the “Game Selection” menu. From here you can (Y)=Add, (A)=Select, (Z)=Remove or (B)=Quit. When quitting the codes are automatically saved; this is a nice feature.

If you pick ‘Y’ to add a game you will get a menu where you can input the name of the game. After adding the name or pressing ‘A’ to select a game you will come to a sub-menu where you can either (A)=Select, (Y)=Add, (X)=Edit, (Z)=Remove or (B)=Back.

Picking ‘A’ to select a code will either enable/disable it (look at the checkbox to confirm.) Picking ‘Y’ to add a code will let you put in the codes name then bring to the same screen you’ll get from picking ‘X’. From this screen you can (Y)=Add, (Z)=Remove, (L/R)=Move Up/Down or (B)=Back.

Selecting ‘Y’ will let you add a code. I guess they decided to not let you edit the code so make sure you add the right one!

To load pre-made cheat code files simply use the DVD browser and select and run the COD file you wish to merge with your database.

See Appendix D for converting Action Replay codes to Cobra readable codes and on how to make your own .COD (cheat code files).

FLASHING THE BIOS USING DVDR MEDIA

Using the DISC EXPLOER to update your BIOS is pretty easy.  Just select the BIOS file (filename.vgc) and press (A) on it.  It’ll ask you if you want to flash the BIOS.  When flashing do not power off the system or you will have no choice but to flash it using the Parallel Port Flasher.

MAKING AND BOOTING A MULTI-IMAGE DISC

This option will allow you to burn a few images onto a DVD and then select which one you would like to boot. This is handy for booting multiple emulator .ISO/.GCM images!

FILE: \files\viper_multi_boot_iso_creator_v1.0b-loonycube.rar

Using the file above you can create a multi-image disc. This will not allow you to play two disc games, but will allow you to put more then one game/iso on a disc. Most images need to be size swiped before adding. Please see the file “GCMUtility.zip” which will size swipe any GameCube game.