Mylex PCI to Ultra 160 SCSI RAID Controller AcceleRAID 170 Guide d'installation télécharger pdf (Page 32)

Installation Process

2-12 AcceleRAID 170 Installation Guide

1. Termination - Only Internal or Only External Devices

Check that the drive channel is properly terminated according to

drawings below, or skip to Step 2 if using both internal and external

devices.

The AcceleRAID 170 is equipped with automatic SCSI termination

circuitry which handles automatic enabling and disabling of on-board

termination. For example, if the controller is at the end of the SCSI bus,

it automatically enables on-board termination.

If all the SCSI devices on a channel are connected either to the

internal connector or to the external connector, the end of the SCSI

bus farthest from the controller must have a terminator installed; the

controller automatically enables on-board termination.

See Figure 2-9 for an example of an internal drive configuration.

See Figure 2-10 for an example of an external drive configuration.

Figure 2-9. Termination with Internal Drive Configuration

Figure 2-10. Termination with External Drive Configuration

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Mylex PCI to Ultra 160 SCSI RAID Controller AcceleRAID 170 Guide d'installation Page 32