Adaptec AHA-2740-T User Manual download pdf (Page 21)

The AHA-2740 Series supports only single-ended SCSI devices.

Most of the SCSI drives on the market today are of this type.

Like all EISA I/O cards, the AHA-2740 Series does not have jump-

ers to change various EISA configuration options. These options

are changed via the EISA Configuration utility provided with

every EISA system; however, the AHA-2742/2742T does have a

single jumper (J4) that is used to enable or disable the on-board

floppy controller.

Features

Fast Data Transfer Rates

•

Up to 33 MBytes/sec on EISA bus

•

2.0 MBytes/sec asynchronous SCSI data rate

•

5.0 MBytes/sec synchronous SCSI data rate

•

10.0 MBytes/sec synchronous Fast SCSI data rate

Maximum Off-loading the Host CPU

•

On-board sequencer (SCSI PhaseEngine) automates all SCSI

protocol

•

Low SCSI processing overhead

•

Bus master DMA implementation

•

Task scheduling and message-based communication

•

Programmable interrupts

•

32-, 16-, and 8-bit host bus data transfer

Adaptec AHA-2740 Series User’s Manual

Stock Number: 510381-00 / Rev. C (Page 1-4)

Print Spec Number: 491709-00 Rev C

Current Date: 9/1/93 ECN Date: 9/14/93

AHA-2740 Series User’s Manual

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Adaptec AHA-2740-T User Manual Page 21