SEAGATE ST320423A - Manuals

iv U10 Family Product Manual, Rev. A 1.12.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . 17 2.1 Handling and static-discharge precautions . . . . . . . . . . . . . . 17 2.2 Jumper settings ....

U10 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 Figure 4. I/...

U10 Family Product Manual, Rev. A 1 Introduction This manual describes the functional, mechanical and interface specifi-cations for the ST320423A, ST315323A and the ST310212A. Thesedrives provide the following key features: • Low power consumption • Quiet operation • High instantaneous (burst) data-...

2 U10 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 ST320423A ST315323A ST310212A Guaranteed Mbytes ( × 1...

U10 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 ST320423A, ST315323A and the...

U10 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 single-...

U10 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 RMS Typical Amps RMS 5V 12V Spinup — 0.65 1.5 Seeking (Random,no read/write) 7.0 0.4 0.42 Operating (read/write) 6.5 0.46 0.350 Idle 3.5 0.28 0.170 Sta...

U10 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 enters Sle...

16 U10 Family Product Manual, Rev. A If necessary, you should consult your dealer or an experienced radio/television technician for additional suggestions. You may find helpful thefollowing booklet prepared by the Federal Communications Commis-sion: How to Identify and Resolve Radio-Television Inter...

U10 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 topotential ha...

18 U10 Family Product Manual, Rev. A 2.2 Jumper settings 2.2.1 Master/slave configuration The options jumper block shown in Figure 2 is used to configure the drivefor operation. It is the 6-pin dual header between the interface connectorand the power connector. Use the following settings to configur...

U10 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 select, se...

20 U10 Family Product Manual, Rev. A Figure 3. Mounting dimensions—top, side and end view 1.00 ± 0.028 (25.4 ± 0.7) 3.72 ± 0.03 (94.5 ± 0.8) 4.00 ± 0.02 (101.6 ± 0.5) 3.750 ± 0.010 (95.25 ± 0.25) 5.75 ± 0.03 (146.1 ± 0.8) 4.000 ± 0.010 (101.60 ± 0.25) 3X.250 ± .015 (6.35 ± 0.38) (both sides) 2.23 ± ...

U10 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 modes0–4. The drive also supports the use of the IO...

22 U10 Family Product Manual, Rev. A Figure 4. I/O pins and supported ATA signals Reset– Ground DD7DD8DD6DD9DD5 DD10 DD4 DD11 DD3 DD12 DD2 DD13 DD1 DD14 DD0 DD15 Ground (removed) DMARQ Ground DIOW– STOP Ground DIOR– HDMARDY– HSTROBE Ground IORDY DDMARDY– DSTROBE CSEL DMACK– Ground INTRQ IOCS16– DA1 ...

26 U10 Family Product Manual, Rev. A 49 Standard Standby timer, IORDY supported and may be disabled 2F00 H 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...

U10 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 value in t...