TI Disk format
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See File systems for details of
the Floppy Disk File System
- Volume Information Block
- File Descriptor Index Record
- File Descriptor Records
- Allocation Bit Map
and the Hard Disk File System
- Volume Information Block (HFDC)
- Volume Information Block (SCSI)
- Directory Descriptor Records
- File Descriptor Index Records
- File Descriptor Records
- Allocation Bit Map
Detailed description of disc format
A single sided single density 90k diskette used with the T.I. Disc Controller has the following specifications:
- Diskette type: SA 104 (ANSI standard 5.25")
- Encoding method: FM single density
- Capacity: 92l6O bytes per disc
- Track size: 2304 bytes
- Sector size: 256 bytes
- Tracks per side: 40 tracks
- Sectors per track: 9 sectors
See the BASIC program Disk directory reader in BASIC.