Seagate ST3300820ACE, ST3250820ACE, ST3320820ACE, ST3750840ACE Drive mounting, Ultra ATA/100 cable

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3.3.3Ultra ATA/100 cable

An 80-conductor 40-pin cable is required to run Ultra DMA mode 3, mode 4, and mode 5. This cable uses even-numbered conductors connected to the ground pins to improve signal integrity.

Master

Slave

Note.

Pin 1

Computer

Motherboard

If you are using a 40-pin, 80-conductor cable, attach the blue connector to the motherboard, the black connector to the master drive, and the gray connector to the slave.

Figure 5 Ultra ATA cable connectors

Note. The drive supports both host and drive cable detection. The host detects the 80-conductor cable by sampling pin 34, CBLID–, on the interface bus. The drive detects the 80-conductor cable by sens- ing a capacitor at the host side through the CBLID– signal. The result is reported in a Fast Rise Detected bit (bit 13 of word 93 in the Identify drive parameter block).

3.4Drive mounting

You can mount the drive in any orientation using four screws in the side-mounting holes or four screws in the bottom-mounting holes. See Figure 6 for drive mounting dimensions. Follow these important mounting precau- tions when mounting the drive:

•Allow a minimum clearance of 0.030 inches (0.76 mm) around the entire perimeter of the drive for cooling.

•Use only 6-32 UNC mounting screws.

•Do not overtighten the mounting screws (maximum torque: 6 inch-lb.).

•Do not use a drive interface cable that is more than 18 inches long.

24	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 250GBStart/stop times Power specificationsSeek time 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 modelsIdle CE seek profile AcousticsFluid Dynamic Bearing FDB motor acoustics Safety certification Electromagnetic immunityReliability Agency certificationElectromagnetic compatibility Korean RRLAustralian C-Tick N176 FCC verificationEuropean Union Restriction of Hazardous Substances RoHS Environmental protectionCorrosive environment 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 ServicesToll-free support numbers FAX services-All Europe toll callCall center Presales and Technical Support Warranty Service Asia/Pacific support services Index Page Page DB35.3 Series Pata Product Manual, Rev. C Page Seagate Technology LLC

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