Q.2.2 Logical Format
Prev | Q.2 Media Formats | Next

### 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.

Prev | Up | Next
Q.2 Media Formats | Home | Q.3 Physical Media