Seagate ST3400820ACE, ST3250820ACE, ST3320820ACE manual Description if bit is set to Bit Word

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Word	Description	Value

160–254	ATA-reserved	0000H
255	Integrity word	xxA5H

Note. Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supported

Note. See the bit descriptions below for words 63, 88, and 93 of the Identify Drive data:

Description (if bit is set to 1)

Bit	Word 63

0	Multiword DMA mode 0 is supported.

1	Multiword DMA mode 1 is supported.

2	Multiword DMA mode 2 is supported.

8	Multiword DMA mode 0 is currently active.

9	Multiword DMA mode 1 is currently active.

10	Multiword DMA mode 2 is currently active.

Bit	Word 88

0	Ultra DMA mode 0 is supported.

1	Ultra DMA mode 1 is supported.

2	Ultra DMA mode 2 is supported.

3	Ultra DMA mode 3 is supported.

4	Ultra DMA mode 4 is supported.

5	Ultra DMA mode 5 is supported.

8	Ultra DMA mode 0 is currently active.

9	Ultra DMA mode 1 is currently active.

10	Ultra DMA mode 2 is currently active.

11	Ultra DMA mode 3 is currently active.

12	Ultra DMA mode 4 is currently active.

13	Ultra DMA mode 5 is currently active.

Bit	Word 93

13	1	= 80-conductor cable detected, CBLID above VIH
	0	= 40-conductor cable detected, CBLID below VIL

32	DB35.3 Series PATA Product Manual, Rev. C

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Contents DB35.3 Series Pata Page DB35.3 Series Pata Page Contents DB35.3 Series Pata Product Manual, Rev. C List of Figures DB35.3 Series Pata Product Manual, Rev. C Introduction DB35.3 Series Pata Product Manual, Rev. C Drive specifications Specification summary tableDrive specification ST3750840ACE ST3500830ACE ST3400820ACE DB35.3 Series Pata Product Manual, Rev. C Drive specification ST3320820ACE ST3300820ACE ST3250820ACE DB35.3 Series Pata Product Manual, Rev. C Default logical geometry LBA modeFormatted capacity Cylinders Read/write heads Sectors per track 16,383Physical characteristics Drive specificationRecording and interface technology 750GB 500GB 400GB 320GB 300GB 250GBSeek time Power specificationsStart/stop times Standby mode DC power requirementsTypical current profile Conducted noisePower-management modes Active modeIdle mode Sleep modeEnvironmental specifications Shock Operating shockNonoperating shock Disc models 4 Disc modelsFluid Dynamic Bearing FDB motor acoustics AcousticsIdle CE seek profile Safety certification Electromagnetic immunityReliability Agency certificationElectromagnetic compatibility Korean RRLAustralian C-Tick N176 FCC verificationCorrosive environment Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS DB35.3 Series Pata Product Manual, Rev. C Configuring and mounting the drive Handling and static discharge precautionsBreather filter hole precautions Breather filter hole locationJumper settings Master/slave configurationDrive as master with a non-ATA-compatible slave Cable-select optionDrive mounting Ultra ATA/100 cableMounting dimensions-top, side and end view DB35.3 Series Pata Product Manual, Rev. C ATA interface signals and connector pins Pins and supported ATA signalsSupported ATA commands Command name Command code in hexF4H Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordSet Features command 0CH4 S.M.A.R.T. commands Code in features Register A.R.T. commandWarranty Service Internet MySeagate Spp.seagate.comPresales Support Technical SupportData Recovery Services Authorized Service Centers Data Recovery ServicesCall center Presales and Technical Support Warranty Service FAX services-All Europe toll callToll-free support numbers Asia/Pacific support services Index Page Page DB35.3 Series Pata Product Manual, Rev. C Page Seagate Technology LLC

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