Property:Number of floppy buses

Number of floppy buses that are available on the device. Each bus typically supports the connection of up to two drives, but it is possible to connect up to four drives to a single bus.

• 0 if none
• 1 if only one bus (2 or 4 drives max)
• 2 for a card with a primary and secondary bus (4 or 8 drives max), etc.