burnt SCA adapter 18.21Gb mdl#ST118202LC cheetah

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SloPoke

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Jun 24, 2004
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Palos Verdes
These (35) Cheetah HDD's part #s 9J9006-422 are for OEM proprietary. (could the OEM HDD fact be the problem?) We are using generic SCA Ultra4 320/m SCSI Compliant 80 pin female to 68 pin Adapters. All 3 SCA adapters burnt right above the 68 pin connector (popping the copper strip embedded into the green board) upon installation. 3 in a row have burnt (on the same exact location) so far on 3 different individual Advansys scsii 2 ABP3950U2W LVD legacy controllers, on 3 different MOB's, on 3 different Cheetah's, on 3 different gray/white woven high through put SCSI cables with FoxxConn terminators.
3 different HDD's from 3 different HDD 10 packs
3 different SCSI cables
3 different MOB's
SCA adapters are jumped as per directions on drive sticker and adapter directions insert.
Same computer(s) set up works a IDE HDD w/out incident
What are we doing wrong?
Is the fact the adapters are 320/m and not 80/m the problem?
Is there special LVD adapters?
We thought we'd eliminate any potential bottleneck by using a 320/m instead of a 80/m or 160/m adapter
What could it be?
 
The common factors are the drives and the SCA adapters, right? Burning seems to indicate inability to withstand the power applied; probably starting current. I'd suspect the SCA adapters.

Other members here could probably tell you which brand adapters they've used successfully.
 
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