Product manual

Introduction
This manual describes the functional, mechanical and interface specifi-
cations for the Medalist

Pro 2160N and Medalist Pro 2160WC SCSI
hard disc drives. The Medalist Pro 2160N is referred to in this manual by
its model number ST52160N. This drive comes with the standard 50-pin
interface connector. The Medalist Pro 2160WC is referred to in this
manual by its model number ST52160WC. This drive comes with the
80-pin blindmate single-connector attachment (SCA-2).
Seagate desktop products take a step into the future with the ST52160N
and ST52160WC. These drives feature MR heads and PRML recording
technology.
The Medalist Pro drives uses an UltraSCSI interface. The ST52160N
supports a synchronous external transfer rate of up to 20 Mbytes per
second. The ST52160WC supports a synchronous external transfer rate
of up to 40 Mbytes per second.
These drives have other features that ensure fast data throughput. The
ST52160N uses a 128-Kbyte buffer. The ST52160WC uses a 256-Kbyte
buffer. The adaptable cache aids the flow of read and write data.
Embedded servo technology allows the drives to position the heads for
data retrieval efficiently and accurately while eliminating the periodic
thermal recalibration that can interrupt during data transfers. These
drives also use a 16-bit microprocessor and an intelligent controller that
provides data streaming: direct data transfers between the drive and the
host without microprocessor intervention. This feature allows for a sus-
tained data rate that facilitates video playback and other multimedia
operations.
The drives conform to the standard 3.5-inch footprint but have a 0.75-inch
(19 mm) height profile and a 5.380-inch depth profile. The lower height
and shorter depth gives the designer or integrator more room for air
circulation, other peripherals or a smaller drive bay.
The SCSI commands the drives support are listed in Section 3.3. on
page 36.
Medalist Pro 2160N/ 2160WC Product Manual, Rev. A 1