SEAGATE ST32112A - Manual

iv U4 Family Product Manual, Rev. D 2.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . 17 2.1 Handling and static-discharge precautions . . . . . . . . . . . . . . 17 2.2 Jumper settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.2.1 Master/sla...

U4 Family Product Manual, Rev. D v Seagate Connfidential Review Draft - NOT FOR DISTRIBUTION Figures Figure 1. Typical startup and operation current profile . . . . . . . . . . . . 9 Figure 2. Master/slave jumper settings . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 3. Mounting dimensions...

vi U4 Family Product Manual, Rev. D. Seagate Confidential Review Draft - NOT FOR DISTRIBUTION

U4 Family Product Manual, Rev. D 1 Introduction This manual describes the functional, mechanical and interface specifi-cations for the U4  ST38421A, ST36421A, ST34311A and the ST32112A. These drives provide the following key features: • Low power consumption • Quiet operation • 10-5 msec seek time,...

2 U4 Family Product Manual, Rev. D 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 ST32112A ST34311A ST36421A ST38421A Guaranteed Mbytes ...

U4 Family Product Manual, Rev. D 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 U4 ST38421A, ST36421A, ST3431...

U4 Family Product Manual, Rev. D 7 • Average seek time is a true statistical random average of at least 5,000measurements of seeks between random tracks, less overhead. • Full-stroke seek time is one-half the time needed to seek from the firstdata cylinder to the maximum data cylinder and back to th...

U4 Family Product Manual, Rev. D 9 1.7.1.1 Typical current profile Figure 1 shows a typical current profile. Figure 1. Typical startup and operation current profile Power Mode Typical Watts RMS Typical Amps RMS 5V 12V Spinup — — 1.5 (peak) Seek (Random, no read/write) 7.0 0.39 0.42 Operating 5.7 0.3...

U4 Family Product Manual, Rev. D 11 drive 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 Sleep mode after receiving a Sleep command fromthe host. In Sleep mod...

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 thefollowing booklet prepared by the Federal Communications Commis-sion: How to Identify and Resolve Radio-Television Interf...

U4 Family Product Manual, Rev. D 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 han...

18 U4 Family Product Manual, Rev. D 2.2 Jumper settings 2.2.1 Master/slave configuration The options jumper block (J8) shown in Figure 2 is used to configure thedrive for operation. It is the 6-pin dual header between the I/O connectorand the power connector. Use the following settings to configure ...

U4 Family Product Manual, Rev. D 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, set...

20 U4 Family Product Manual, Rev. D 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 ± 0.03(56.6 ± 0.8 ) 0.230 ± 0.015 (5.84 ± 0.38...

U4 Family Product Manual, Rev. D 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 IOR...

22 U4 Family Product Manual, Rev. D 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 P...

U4 Family Product Manual, Rev. D 23 3.2 ATA Interface commands 3.2.1 Supported ATA commands The following table lists ATA-standard commands that the drive sup-ports. For a detailed description of the ATA commands, refer to the Draft ATA-4 Standard. See Section 3.2.4 on page 30 for details and subcom...

U4 Family Product Manual, Rev. D 25 Word Description Value 0 Configuration information: • Bit 15: 0 = ATA; 1 = ATAPI • Bit 7: removable media • Bit 6: removable controller • Bit 0: reserved 0C5A H 1 Number of logical cylinders: ST32112A = 4,192ST34311A = 8,944ST36421A = 13,330ST38421A = 16,368 1060 ...

26 U4 Family Product Manual, Rev. D 27–46 Drive model number: (40 ASCII char-acters, padded with blanks to end of string) ST32112AST34311AST36421AST38421A 47 (Bits 7–0) Maximum sectors per inter-rupt on Read multiple and Write mul-tiple (16) 8010 H 48 Reserved 0000 H 49 Standard Standby timer, IORDY...

28 U4 Family Product Manual, Rev. D 91–92 ATA-reserved 0000 H 93 Hardware Reset Value (see description following this table) 4000 H 94–127 ATA-reserved 0000 H 128 Security Status 0001 H 129–159 Seagate-reserved xxxx H 160–255 ATA-reserved 0000 H Note. See the bit descriptions below for words, 63, 88...

30 U4 Family Product Manual, Rev. D Note. At power-on, or after a hardware or software reset, the default values of the features are as indicated above. 3.2.4 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 predeterm...