1-3Introduction Adaptec SCSI Card 29320A SCSI Channel (SE) —has two internal connectors. SCSI Channel (Ultra320)—has one internal connector andone external connector. Adaptec SCSI Card 29320ALP SCSI Channel —has one internal connector and oneexternal connector.For the best data I/O performance, Adaptec recommends that youkeep your Low Voltage Differential (LVD) and non-LVD devicesseparate. (LVD devices means Ultra320, Ultra160, and Ultra2 SCSIdevices and non-LVD are Fast SCSI or Ultra SCSI devices.) For dualchannel cards, Adaptec recommends that you connect LVD SCSIdevices to a separate SCSI channel from the non-LVD devices toallow for maximum speed.Although an Adaptec SCSI Card is a 64-bit PCI/PCI-X card, it alsoworks in a 32-bit PCI slot. When installed in a 32-bit PCI slot, thecard automatically runs in the slower 32-bit mode.Device DriversThe Adaptec SCSI Card comes with a set of software device driversand other files that enable it to communicate with your computer.For information on how to install the driver for the Adaptec SCSICard, refer to the section of this User’s Guide that describes yourspecific operating system.
