Master Slave Jumper Settings for Seagate Drives ST34311A, ST36421A, ST32112A, ST38421A

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 the drive for operation. It is the 6-pin dual header between the I/O connector and the power connector. Use the following settings to configure the drive as a master or a slave.

Master or single drive. The drive is configured at the factory for a master or single-drive operation with a jumper set on pins 7 and 8.

Drive is slave. Remove the jumper to configure the drive as a slave.

Drive is master with a non-ATA-compatible slave. Set a jumper on pins 5 and 6 and a jumper on pins 7 and 8. Use this jumper setting only if the drive does not work as a master with a jumper set on pins 7 and 8.

Options jumper block (J8)

Master or single drive

Drive is slave

Master with a non-ATA- compatible slave

Cable select

7 5 3 1

8 6 4 2

Figure 2. Master/slave jumper settings

Image 26

Seagate ST36421A, ST32112A, ST38421A, ST34311A manual Jumper settings Master/slave configuration, Master/slave jumper settings

Contents

Product Manual Page Product Manual Page Contents Configuring and mounting the drive ATA interface Figures Seagate Connfidential Review Draft not for Distribution Seagate Confidential Review Draft not for Distribution Introduction Specification summary table Track-to-track seek time Msec typical Vibration, nonoperating Formatted capacity Default logical geometryLBA Mode Physical organization Recording and interface technology Physical characteristicsDrive Specification ST38421A, ST36421A ST34311A, ST32112A Seek time Spinup power Power specificationsPower consumption Start/stop times Operating power and current Seek ModeRead/Write power and current Idle mode power Current amps Time seconds Power Mode Typical Watts Typical Amps RMS 12VTypical current profile Voltage tolerance Power-management modesConducted noise Humidity Environmental tolerances Ambient temperatureTemperature gradient Relative Humidity Shock Wet bulb temperatureAltitude Operating shock Drive acoustics Operating vibrationNonoperating vibration Reliability Agency certification Safety certificationElectromagnetic susceptibility Electromagnetic compatibility FCC verification Australian C-Tick U4 Family Product Manual, Rev. D Configuring and mounting the drive Handling and static-discharge precautions Jumper settings Master/slave configuration Master/slave jumper settings Ultra ATA/66 cable Important mounting precautionsCable-select option Drive mounting Mounting dimensions-top, side and end view ATA interface signals and connector pins ATA interface O pins and supported ATA signals ATA Interface commands Supported ATA commands Command name Command code in hex ATA-standard commands ATA-standard power-management commands Identify Drive commandCommand name ATA-standard security commands Word Description 27-46 Drive model number 40 Ascii char Multiword DMA active and modes Description if bit is set to Bit Word Set Features command 0CH 4 S.M.A.R.T. commands Code in Features Register A.R.T. CommandPage U4 Family Product Manual, Rev. D U4 Family Product Manual, Rev. D