Q.2.2 Logical Format

The Logical Format for the 90mm 2.3GB disk shall be the PC File System (Annex A).

The boot sector defined in Annex A shall have the following values.

Table Q.2-1

BOOT PARAMETER VALUES FOR 90mm 2.3 GB MAGNETO-OPTICAL DISK

Byte(s) Value Description
11 - 12 0800H 2048 Bytes/Sector
13 08H, 10H, 20H, or 40H Sectors / cluster, either 8, 16, 32, or 64
21 F8H Flag for disk type F8H = Hard Disk
24-25 0019H (Nominal) Nominally 25 sectors/track, but may vary, and any value should not affect interoperability
26-27 0001 (Nominal) Nominally 1 head, but may vary, and any value should not affect interoperability.

Note: When formatted the total formatted capacity of the disk is approximately 2.02GB.