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SCSI Controller

The SCSI version of the server board includes an embedded Adaptec AIC-7899W / 7902W controller providing dual Ultra160/Ultra 320* Low Voltage Differential (LVD) SCSI channels.

The SCSI bus is terminated on the server board with active terminators that cannot be disabled. The onboard device must always be at one end of the bus. The device at the other end of the cable must also be terminated. LVD devices generally do not have termination built-in and need to have a termination source provided. Non-LVDs devices generally are terminated through a jumper or resistor pack on the device itself..

Note: Ultra 320 only for AIC-7902W

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Acer R700 manual Scsi Controller