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My BASIC Notes

Disk Drives

Basic Disk Commands

CMD Partition

1541 Disk
1571 Disk
1581 Disk
Native Disk

Disk Directory
File

CMD FD Physical Disk Formats

PHYSICAL TRACK AND SECTOR LAYOUT BY DISK FORMAT (All formats are double-sided)
FORMAT	TRACKS	SECTORS	SECTOR SIZE
CMD/CBM 800K	0 to 79	1 to 10	512 bytes
CMD 1.60M	0 to 79	1 to 10	1024 bytes
CMD 3.20M	0 to 79	1 to 20	1024 bytes
IBM 720K	0 to 79	1 to 9	512 bytes
IBM 1.44M	0 to 79	1 to 18	512 bytes
IBM 2.88M	0 to 79	1 to 36	512 bytes