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Page 2 ATTO Technology, Inc.
ATTO ExpressPCI Ultra2 adapters unleash the power of Ultra2 SCSI by eliminating
SCSI management overhead and increasing SCSI transfer rates, while providing an
easy performance upgrade path for your existing SCSI-1, SCSI-2 and SCSI-3 drives.
Bus Master capabilities allow ATTO ExpressPCI SCSI host adapters to transfer data
directly between the computer’s RAM and the SCSI bus without using the CPU. This
frees all the CPU’s processing power for running demanding applications.
The ATTO ExpressPCI UL2S adapter
The ATTO ExpressPCI UL2D adapter
68-pin Internal 16-bit
“P” Cable Connector
Dedicated 3rd Generation
RISC Based Ultra2 SCSI
Processor
68-pin VHDCI Connector
PCI 2.1 Compliant
32-bit Connector
Channel 2: 68-
pin VHDCI
Connector
Channel 1: 68-
pin VHDCI
Connector
Channel 1: 68-
pin Connector
Channel 2: 68-
pin Connector
32/64-Bit PCI 2.1
Compliant Connector