Asus P I-P55TVP4 User Manual download pdf (Page 61)

ASUS P/I-P55T2P4 User's Manual 55

Terminator Settings for the ASUS PCI-SC860

Many SCSI devices including the ASUS PCI-SC860 use a set of onboard terminat-

ing resistors to terminate the devices at the ends automatically. Automatic termina-

tion requires that the SCSI devices be connected in a straight linear connection or

“chain.” Connect SCSI devices to one or two of the SCSI connectors in a linear

“chain” for auto termination of the ASUS PCI-SC860 to be effective. Other forma-

tions will cause your SCSI devices to not mount properly. You must use the end of

the ribbon cable when using the internal connector(s) to keep a linear path.

Additional Note: The Symbios Logic SCSI Configuration Utility is a powerful

tool. If, while using it, you somehow disable all your controllers or cannot enter

the configuration utility, pressing “Ctrl-A” after memory count during reboot

allows you to recover and reconfigure.

Terminator Settings for the ASUS PCI-SC200

The ASUS PCI-SC200, on the other hand, has “active” termination that you must

set using jumper JP5. There are two settings, "terminated" and "not terminated," as

shown below.

Decide whether or not you need to terminate the ASUS PCI-SC200 based on its

position in the SCSI chain. Only the devices at each end of the chain need to be

terminated. If you have only internal or only external devices connected to the

ASUS PCI-SC200, then you must terminate the ASUS PCI-SC200. If you have

both internal and external devices connected, you must not terminate the card. See

the following example which illustrates this concept.

Terminator Setting (Terminated / Not Terminated)

Terminated (Default) Not Terminated

VI. ASUS SCSI Cards

(Jumpers)

VI. ASUS PCI SCSI Cards

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Asus P I-P55TVP4 User Manual Page 61