SD2IEC 
v1.0 

Changing the SD2IEC Device Address

By default the SD2IEC will be Disk ID 8. This is the default Commodore 64 Disk ID.  If you want to daisy chain the SD2IEC behind an existing Disk 8 you will want to program the SD2IEC to act as Drive ID 9.  Enter this command to that:
OPEN1,8,15,"U0>"+CHR$(9):CLOSE1

If you want to save this to the SD2IEC’s memory so that it stays Drive ID 9, enter the additional command:
OPEN1,9,15,"XW":close1

This can of course be changed back at any time by swapping 8 & 9 in the above commands.

Playing games with Multiple Disks (or disk images)

Inevitably you’re going to run into a game or application that contains multiple disks.  This can be troublesome since once you exit the CBM Disk Browser you no longer can see the contents of the SD card.  Nope. Commodore’s still can’t multitask or open separate windows, even today!

The good news is that the creators of the SD2IEC thought of this very problem.  You’ll need to create a file called AUTOSWAP.LST in the same directory with your game’s D64 disk images. You can create this file in any text editor such as Notepad on Windows or TextEdit on the Mac.  This file should simple contain a list of D64 images in the correct order. Example:
GameDisk1.D64
GameDisk2.D64
CharacterSave.D64

Once you’ve done this, open the FB64 program again and open the directory that contains your disk image.  Now instead of selecting a disk image, press Q to exit the program. Press the DiskSwap button on the SD2IEC (the DiskSwap button is the one closest to the IEC cable).  This will select the first disk. Enter the C64 load commands (or follow whatever instructions your game came with) as shown here:
LOAD "*",8,1
RUN

This will load the game.  When the game asks you to insert disk 2, press the DiskSwap button the SD2IEC and it will mount the next disk in the AUTOSWAP.LST file. When you reach the last disk, the SD2IEC will simply start the list over and select the first disk again.

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