Adaptec 1520A - AHA Storage Controller Fast SCSI 10 MBps Guía de usuario descargar pdf (Pagina 18)

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AHA-1510A/20A Series User’s Guide

Stock Number: 510400-00, Rev. C Page: 1-2

Print Spec Number: 491842-00

Current Date: 11/18/94 ECN Date: 11/29/94

Features

Fast Data Transfer

■ 10 MBytes/second synchronous Fast SCSI data rate

■ 5 MBytes/second synchronous SCSI data rate

■ 3 MBytes/second data rate on the ISA bus, the highest speed

allowed in the Programmed I/O (PIO) environment)

■ 2 MBytes/second asynchronous SCSI data rate

Superior Price/Performance Value

■ High speed PIO data transfer

■ Optional high speed DMA data transfer (supported under

OS/2 on EISA-bus computers)

■ Minimal SCSI overhead in single-tasking environments when

utilizing disconnect/reconnect capabilities

■ 16-bit host bus data transfer widths

Multitasking

■ Each host adapter supports up to eight simultaneous I/O tasks

when utilizing SCSI-2 Disconnect/Reconnect feature.

Connectivity

■ Each host adapter supports up to seven SCSI devices and up to

eight logical units (LUNs) per SCSI device.

■ Full SCSI Floppy/Floptical

(21 MByte) diskette supports con-

figurations of up to four floppy-type diskettes (up to two stan-

dard floppy diskettes).

■ Supports both synchronous and asynchronous devices: disk

drives, tape, CD-ROM, WORM, DAT, etc.

Compatibility

■ SCSI BIOS with boot capability and support for up to two hard

disk drives under DOS (AHA-1520A/1522A only)

■ Supports SCSI hard disks with capacities above 1 GByte

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Adaptec 1520A - AHA Storage Controller Fast SCSI 10 MBps Guía de usuario Pagina 18