User manual SEAGATE U4

[. . . ] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U4 Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST32112A, ST34311A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST36421A, ST38421A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ultra ATA Interface Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] has tested this device in enclosures as described above to ensure that the total assembly (enclosure, disc drive, motherboard, power supply, etc. ) does comply with the limits for a Class B computing device, pursuant to Subpart J, Part 15 of the FCC rules. Operation with noncertified assemblies is likely to result in interference to radio and television reception. This equipment generates and uses radio frequency energy and if not installed and used in strict accordance with the manufacturer's instructions, may cause interference to radio and television reception. This equipment is designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause interference to radio or television, which can be determined by turning the equipment on and off, you are encouraged to try one or more of the following corrective measures: · · · · Reorient the receiving antenna. Move the device to one side or the other of the radio or TV. Move the device farther away from the radio or TV. Plug the computer into a different outlet so that the receiver and computer are on different branch outlets. 16 U4 Family Product Manual, Rev. D If necessary, you should consult your dealer or an experienced radio/ television technician for additional suggestions. You may find helpful the following booklet prepared by the Federal Communications Commission: How to Identify and Resolve Radio-Television Interference Problems. This booklet is available from the Superintendent of Documents, U. S. Government Printing Office, Washington, DC 20402. Refer to publication number 004-000-00345-4. U4 Family Product Manual, Rev. D 17 2. 0 Configuring and mounting the drive This section contains the specifications and instructions for configuring and mounting the drive. 2. 1 Handling and static-discharge precautions After unpacking, and before installation, the drive may be exposed to potential handling and electrostatic discharge (ESD) hazards. Observe the following standard handling and static-discharge precautions: Caution: · Keep the drive in its static-shielded bag until you are ready to complete the installation. Do not attach any cables to the drive while it is in its static-shielded bag. · Before handling the drive, put on a grounded wrist strap, or ground yourself frequently by touching the metal chassis of a computer that is plugged into a grounded outlet. Wear a grounded wrist strap throughout the entire installation procedure. · Handle the drive by its edges or frame only. · The drive is extremely fragile--handle it with care. Do not press down on the drive top cover. · Always rest the drive on a padded, antistatic surface until you mount it in the computer. · Do not touch the connector pins or the printed circuit board. · Do not remove the factory-installed labels from the drive or cover them with additional labels. Some factoryinstalled labels contain information needed to service the drive. [. . . ] If the value in the register does not represent a feature that the drive supports, the command is aborted. Power-on default has the read look-ahead and write caching features enabled. The acceptable values for the Features register are defined as follows: 02H 03H Enable write cache (default). Set transfer mode (based on value in Sector Count register). [. . . ]