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Windows 7: SCSI and ATA

01 Jun 2011   #1

win 7 pro 64 bit

Can someone explain why some HDs show as ATA drives and others as SCSI drives in Device Mgr?

Attached Thumbnails
SCSI and ATA-scsi.png  
My System SpecsSystem Spec

01 Jun 2011   #2

Windows 7 64 bit SP1. EFI boot partition., full EFI boot.

Depends on the how the chipset manufacturer made drivers for the HDD controller. For example, JMicron and Marvell supply SCSI Miniport drivers for their SATA controllers.
My System SpecsSystem Spec
01 Jun 2011   #3

win 7 pro 64 bit

Hmmmm...Interesting. Both the drives showing as ATA are on JMicron SATA ports. (both on the mobo, one esata and one sata) You learn something every day! Thanks.
My System SpecsSystem Spec



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