Seagate ST3660A Product Manual - Page 9

Medalist XE Family Product Manual, Rev. B 1 1.0 Specification summary The Medalist 275xe and 545xe drives use an ATA interface. The interface conforms to ATA (AT Attachment) Interface X3.221, Rev. 4; SFF 8011: ATA Timing Extension for Local Bus Attachments, Rev. 2.0; SFF 8019: Identify Drive Data for Drives Under 8 GB and Draft Proposal American National Standards AT Attachment Interface X3.310-948D, Rev. 2E. Note. The Medalist drives are referred to by their model numbers throughout this manual. The Medalist 275xe is referred to as the ST3295A. The Medalist 545xe is referred to as the ST3660A. 1.1 Format configuration Seagate Medalist drives are low-level formatted at the factory. You do not need to low-level format the drive. The drives support LBA addressing and are configured in translation mode at the factory. (You can verify the number of cylinders, sectors per track and heads and the total number of sectors using the Identify Drive (ECH) command.) The table below shows the factory configurations. Cylinders Heads Sectors per track Formatted capacity (Mbytes*) Total sectors ST3295A 761 14 50 272.7 532,700 * One Mbyte equals one million bytes. ST3660A 1,057 16 63 545.5 1,065,456 You can use other values to configure the drive provided the following conditions are met: • The number of sectors per track does not exceed 256. • The number of sectors per track and the number of heads satisfy the following relationship: 16 ≤ (sectors per track) × (heads) ≤ 4,096. • The total sectors do not exceed the physical capacity of the drive. You can calculate the total sectors with the following formula: total sectors = (logical heads) × (logical sectors per track) × (logical cylinders).