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- This page gives low-level information about your current drive, and all
- real drives in your system.
-
- INFOPLUS will read the boot sector of the current drive. This gives
- information about that drive:
-
- Media: The type of drive (RAMdisks may show up as anything.)
-
- Sectors/cluster: The number of sectors that make up a cluster, the unit
- that DOS allocates disk space in.
-
- Bytes/sector: How big those sectors are.
-
- Reserved sectors: How many sectors are set aside for special use.
-
- FATs: File Allocation Tables. DOS uses these tables to keep track of which
- clusters are currently in use, free, or bad. Most disks have 2.
-
- Sectors/FAT: How many sectors are needed to hold all the FAT information
- for each copy of the FAT.
-
- Root directory entries: How many files can be put in the root directory of
- the disk. Hard drives usually have 512.
-
- Heads: How many read/write heads are on the disk.
-
- Total sectors: The number of sectors on the drive.
-
- Sectors/track: How many sectors are are on a track. In other words, the
- number of pie wedges.
-
- OEM name: A string that is usually in the boot record. Tells which version
- of DOS formatted the disk.
-
- Extended boot record: DOS 4 and newer supports an extended record that
- contains the volume lable, the serial number, and a
- FAT type string.
-
- For each physical drive in the system, you can <DnArw> to get information
- on all the drives. Most of the information is the same as the above, with
- some extra information:
-
- DPB valid: This lets you know if this information is any good.
-
- Device header: The address of the driver for this disk.
-
- Root directory sector: The sector where the root directory begins.
-
-