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тАО07-13-2004 08:31 AM
тАО07-13-2004 08:31 AM
I realize that if I attach SCSI devices to either adapter, then the last device in the chain requires termination, but what if there are no devices.
Thanks in advance....... Frank
Solved! Go to Solution.
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тАО07-13-2004 10:37 AM
тАО07-13-2004 10:37 AM
SolutionIF there are no external devices, no terminators are required on the external nor internal ports. I *think* there are jumpers on the board that define this & I'll check one of mine tomorrow. But the default is generally to self-terminate the side w/o devices attached.
Rule of thumb is that IF there are devices on *just* one end, i.e. either internal OR external - not both - then you terminate the side with devices & not the other. OR if devices are on both sides - you terminate both sides.
I'll get back to you.
Rgds,
Jeff
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тАО07-13-2004 05:45 PM
тАО07-13-2004 05:45 PM
Re: A5838A Dual SCSI Dual 10/100 Card Terminators
If the SCSI card is not connected to a device,
there is no need to terminate. As soon as you plug in devices, you have to terminate either the devices or the cable.
Rgds
Alexander M. Ermes
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тАО07-14-2004 12:52 AM
тАО07-14-2004 12:52 AM
Re: A5838A Dual SCSI Dual 10/100 Card Terminators
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тАО07-14-2004 01:17 AM
тАО07-14-2004 01:17 AM
Re: A5838A Dual SCSI Dual 10/100 Card Terminators
OK - I dug up my docs on the 5838 & there are indeed jumpers on the board for the SCSI.
Labeled JA1 (SCSI B) & JA2 (SCSI A).
Jumper ON => autotermination is OFF
You *only* need to disable autotermination when the HBA is in the middle of the bus - i.e. there are *both* internal and external devices attached.
BTW - the part # for the doc is A5838-90001
HTH,
Jeff