Typical current profile, Power Mode, Typical Watts

HP 6671 (LA), 6642D (US) Typical current profile, Power Mode, Typical Watts, Typical Amps RMS

Page 16

U8 Family Product Manual, Rev. B			9

Power Mode	Typical Watts	Typical Amps RMS

		5V	12V
	RMS	5V	12V


Spinup	—	0.5	1.5

Seeking (Random,
no read/write)	7.0	0.4	0.42

Operating (read/write)	6.5	0.42	0.367

Idle	3.5	0.28	0.170

Standby/Sleep	0.8	0.123	0.015

1.7.1.1 Typical current profile

Current (amps)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0	1	2	3	4	5	6	7	8	9
0	1	2	3	4	5	6	7	8	9
				Time (seconds)

Figure 1. Typical startup and operation current profile

Image 16

Contents

U8 Family ST317221A, ST313021AST38410A, ST34313A Ultra ATA Interface DrivesU8 Family ST317221A, ST313021AST38410A, ST34313A Ultra ATA Interface DrivesPage Contents U8 Family Product Manual, Rev. BConfiguring and mounting the drive ATA interfaceFigures U8 Family Product Manual, Rev. B Introduction Specification summary table Drive SpecificationST317221A ST313021AST317221A 0 to 60C op., -40 to 70C nonopDrive Specification 1.0 Drive specifications 1.1.1 Default logical geometry1.1 Formatted capacity 1.2 Physical organization1.4 Physical characteristics Drive Specification1.3 Recording and interface technology 1.5 Seek time1.7 Power specifications 1.7.1 Power consumptionSpinup power 1.6 Start/stop timesRead/Write power and current Operating power and currentIdle mode power Seek ModePower Mode 1.7.1.1 Typical current profileTypical Watts Typical Amps RMS1.7.4 Power-management modes Power Modes1.7.2 Conducted noise 1.7.3 Voltage toleranceIdle and Standby timers 1.8 Environmental tolerances 1.8.1 Ambient temperature1.8.2 Temperature gradient Sleep mode1.8.3 Humidity 1.8.6.2 Nonoperating vibration 1.8.6.1 Operating vibration1.9 Drive acoustics 1.12 Agency certification 1.12.1 Safety certification 1.10 Electromagnetic susceptibility1.11 Reliability 1.12.2 Electromagnetic compatibility1.12.3 FCC verification Australian CE-Tick N176U8 Family Product Manual, Rev. B 2.0 Configuring and mounting the drive 2.1 Handling and static-discharge precautions2.2 Jumper settings 2.2.1 Master/slave configuration 7 5 3 8 6 4Options jumper block J8 Master or single drive Drive is slave Cable select2.2.3 Ultra ATA/66 cable 2.2.2 Cable-select option2.3 Drive mounting Figure 3. Mounting dimensions-top, side and end view Note Dimensions are shown in inches mm3.0 ATA interface 3.1 ATA interface signals and connector pinsFigure 4. I/O pins and supported ATA signals Signal nameHost pin # and signal description Drive pin #3.1.1 Supported ATA commands Command nameCommand code in hex ATA-standard commands3.1.2 Identify Drive command Command code in hexWord Descriptionx.xx ValuexxxxH xx07Hxx1FH Description if bit is set to Bit Word xxA5HBit Word 3.1.3 Set Features command Set transfer mode based on value in Sector Count register3.1.4 S.M.A.R.T. commands Code in FeaturesS.M.A.R.T. Command RegisterCode in Features Page Page 920 Disc Drive, Scotts Valley, California 95066, USA Seagate Technology, IncPublication Number SG35226-001, Rev. B, Printed in USA

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