Understanding the Device Information

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This section displays the device information as displayed in DiskCheckup's "Device Info" window.

Device ID
The physical ID of the device.

Device Capacity
The total capacity in MB of the device.

Serial Number
The drive serial number.

Model Number
The drives model number.

Firmware Rev
The drives current firmware revision.

Partitions
Displays all the volumes that reside on this device and their capacity in MB.

Disk geometry

 Cylinders
 The amount of cylinders on the manufactured drive.

 Tracks per cylinder
 The number of tracks per cylinder.

 Sectors per track
 The number of sectors per track

 Bytes per sector
 The number of bytes per sector

 Total disk sectors
 The total number of sectors on the disk

 Logical sector size
 The size of each logical sector in bytes

 Physical sector size
 The size of each physical sector in bytes

 Media rotation rate
 The rotation rate of the drive in RPM or 'Solid State Disk' if the media is non-rotating.

 Buffer Size
 The size of the disk subsystems data buffer in KB.

 ECC Size
 The size of the Error Correcting Code in bytes

Standards compliance
List of supported/unsupported standards

World Wide ID
A unique 8-byte identifier for the device

Feature support
List of supported/unsupported features of the device