Page 3 - U Series CE Family; Ultra ATA Interface Drives; Product Manual
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U Series CE Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST380020ACE, ST360020ACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 4 - 001 Seagate Technology LLC All rights reserved
2001 Seagate Technology LLC All rights reserved Publication Number: 100140718, Rev. A, July 2001 Seagate, Seagate Technology and the Seagate logo are registeredtrademarks of Seagate Technology LLC. SeaShield, SeaShell and USeries CE are either registered trademarks or trademarks of SeagateTechnolo...
Page 5 - Contents
U Series CE Family Product Manual, Rev. A iii Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Specification summary table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.0 Drive specifications . . . . . . . . . . . . . . ....
Page 7 - U Series CE Family Product Manual, Rev. A; Figures
U Series CE Family Product Manual, Rev. A v Figures Figure 1. Typical startup and operation current profile . . . . . . . . . . . . 9 Figure 2. Master/slave jumper settings . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 3. Mounting dimensions—top, side and end view . . . . . . . . . 20 Figu...
Page 9 - Introduction
U Series CE Family Product Manual, Rev. A 1 Introduction This manual describes the functional, mechanical and interface specifi-cations for the ST380020ACE, ST360020ACE, ST340810ACE and theST320410ACE. These drives provide the following key features: • 8.9 msec seek time, 5,400-RPM and 2-Mbyte buffe...
Page 10 - Specification summary table
2 U Series CE Family Product Manual, Rev. A Specification summary table The specifications listed in this table are for quick reference. For detailson specification measurement or definition, see the appropriate sectionof this manual. Drive Specification ST380020ACE ST360020ACE ST340810ACE ST320410A...
Page 13 - Drive specifications; the drive; Formatted capacity
U Series CE Family Product Manual, Rev. A 5 1.0 Drive specifications Unless otherwise noted, all specifications are measured under ambientconditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the S T 3 8 0 0 2 0 A C ...
Page 14 - Physical organization; Drive Model; Maximum height
6 U Series CE Family Product Manual, Rev. A 1.2 Physical organization 1.3 Recording and interface technology 1.4 Physical characteristics Drive Model Read/Write heads (GMR) Number of discs ST380020ACE 4 2 ST360020ACE 3 2 ST340810ACE 2 1 ST320410ACE 1 1 Interface ATA Recording method 96/102 GPRML Rec...
Page 15 - Average
U Series CE Family Product Manual, Rev. A 7 1.5 Seek time Seek measurements are taken with nominal power at 25°C ambienttemperature. All times are measured using drive diagnostics. The spec-ifications in the table below are defined as follows: • Track-to-track seek time is an average of all possible...
Page 16 - Power specifications
8 U Series CE Family Product Manual, Rev. A 1.7 Power specifications The drive receives DC power (+5V or +12V) through a four-pin standarddrive power connector. 1.7.1 Power consumption Power requirements for the drives are listed in the table on page 9.Typical power measurements are based on an aver...
Page 17 - Power Mode; Spinup
U Series CE Family Product Manual, Rev. A 9 1.7.1.1 Typical current profile Figure 1. Typical startup and operation current profile Power Mode Typical Watts Typical Amps Means 5V 12V Spinup — 0.75 2.5 Seek (Random,no read/write)Performance mode 7.5 0.83 0.279 Operating (read/write)Performance mode 7...
Page 19 - Sleep mode; Environmental tolerances; ommended measurement locations are shown in Figure 3 on page 20.
U Series CE Family Product Manual, Rev. A 11 established using a Standby or Idle command. In Standby mode, thedrive buffer is enabled, the heads are parked and the spindle is at rest.The drive accepts all commands and returns to Active mode any timedisc access is necessary. • Sleep mode The drive en...
Page 21 - Note. For seek mode tests, the drive was placed in seek mode only.
U Series CE Family Product Manual, Rev. A 13 1.8.6.1 Operating vibration The following table lists the maximum vibration levels that the drive may expe-rience while meeting the performance standards specified in this document. 1.8.6.2 Nonoperating vibration The following table lists the maximum nono...
Page 22 - Electromagnetic immunity; Nonrecoverable read errors
14 U Series CE Family Product Manual, Rev. A 1.10 Electromagnetic immunity When properly installed in a representative host system, the driveoperates without errors or degradation in performance when subjectedto the radio frequency (RF) environments defined in the following table: 1.11 Reliability 1...
Page 23 - Taiwan BSMI; Trade name or applicant: Seagate Technology
U Series CE Family Product Manual, Rev. A 15 1.12.2 Electromagnetic compatibility Hard drives that display the CE mark comply with the European Union(EU) requirements specified in the Electromagnetic Compatibility Direc-tive (89/336/EEC). Testing is performed to the levels specified by theproduct st...
Page 24 - How to Identify and Resolve Radio-Television Interference Prob-; . This booklet is available from the Superintendent of Documents,
16 U Series CE Family Product Manual, Rev. A Australian C-Tick (N176) If these models have the C-Tick marking, they comply with the Australia/New Zealand Standard AS/NZS3548 1995 and meet the Electromag-netic Compatibility (EMC) Framework requirements of the AustralianCommunication Authority (ACA). ...
Page 25 - Configuring and mounting the drive; Handling and static-discharge precautions; only
U Series CE Family Product Manual, Rev. A 17 2.0 Configuring and mounting the drive This section contains the specifications and instructions for configuringand mounting the drive. 2.1 Handling and static-discharge precautions After unpacking, and before installation, the drive may be exposed topote...
Page 27 - The drive supports both host and drive cable detection. The host; nector to the motherboard, the; black; connector to the master; grey; connector to the slave.
U Series CE Family Product Manual, Rev. A 19 2.2.2 Cable-select option Computers that use cable-select determine the master and slave drivesby selecting or deselecting pin 28, CSEL, on the interface bus. Masterand slave drives are determined by their physical position on the cable.To enable cable se...
Page 29 - Standard; ATA interface signals and connector pins
U Series CE Family Product Manual, Rev. A 21 3.0 ATA interface These drives use the industry-standard ATA task file interface thatsupports 16-bit data transfers. It supports ATA programmed input/output(PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes0–5. The drive also supports the use o...
Page 34 - Word
26 U Series CE Family Product Manual, Rev. A 50 Device-specific standbytimer value 0000 H 51 PIO data-transfer cycle timing mode 0200 H 52 Retired 0200 H 53 Words 54–58, 64–70 and 88 are valid 0007 H 54 Number of current logical cylinders xxxx H 55 Number of current logicalheads xxxx H 56 Number of ...
Page 37 - Bit
U Series CE Family Product Manual, Rev. A 29 3.1.3 Set Features command This command controls the implementation of various features that thedrive supports. When the drive receives this command, it sets BSY,checks the contents of the Features register, clears BSY and generatesan interrupt. If the va...
Page 39 - Draft; that eliminates unnecessary drive returns.; Code in Features; Obsolete
U Series CE Family Product Manual, Rev. A 31 3.1.4 S.M.A.R.T. commands S.M.A.R.T. provides near-term failure prediction for disc drives. WhenS.M.A.R.T. is enabled, the drive monitors predetermined drive attributesthat are susceptible to degradation over time. If self-monitoring determinesthat a fail...