Adaptec 2920C - AHA - Storage Controller Manual de instrucciones descargar pdf (Pagina 5)

Installing Software

Under MS-DOS 5.0 and above, the AHA-2920C host

adapter can support up to seven SCSI devices without

additional software. (Earlier versions of DOS support up

to two hard disk drives.) You need to install additional

software to support other kinds of SCSI devices such as

tape drives, CD-ROM drives, and scanners.

■

If Adaptec EZ-SCSI

was included with your

AHA-2920C, you should install it now. Adaptec

EZ-SCSI provides software driver support for your

host adapter and SCSI devices in computers running

under DOS, Windows

, Windows 95

, and

Windows NT

™

■

The Adaptec

7800 Family Manager Set provides

software driver support for the NetWare, OS/2, and

UNIX platforms.

■

If you purchased your host adapter from a third-

party vendor, you can use the drivers they provide.

(Refer to the third-party documentation for installa-

tion instructions and troubleshooting information.)

Congratulations!

You have completed the installa-

tion of your host adapter. For additional information on

configuring your host adapter, see Helpful Hints on

page 5.

Helpful Hints

This section contains useful information on configuring

and using your host adapter.

Configuring SCSI Devices

Your host adapter can transfer data on the SCSI bus at a

maximum negotiated transfer rate of 10 MBytes/sec. For

reliable data transfers, the following requirements

should be met:

■

Internal and external cables should be terminated

with terminators either provided by the SCSI device

at the end of the cable or by a separate terminating

plug. The terminator on the AHA-2920C is an active

terminator.

■

For all SCSI devices connected to the host adapter,

make sure you use high-quality SCSI cables to ensure

reliable data transfer. Select cables labeled “SCSI II”

to ensure cable compliance to the SCSI specification.

Note that cables with a 25-pin DB25 connector may

not meet SCSI II standards. However, if you must use

this cable, restrict the external cabling to a minimum

length (always leave parity checking enabled to ver-

ify reliable data transfers).

When one or more Fast SCSI devices are connected to

the host adapter, the combined length of all cables

(internal and external) should not exceed 3 meters

(9.8 feet) to ensure reliable operation when transfer-

ring data at 10 MBytes/sec.

■

Your host adapter can support the SCSI Configured

AutoMatically (SCAM) protocol, which automati-

cally assigns SCSI IDs dynamically and resolves SCSI

ID conflicts at bootup. To enable or disable SCAM

support, see Additional Options: Boot Device Options on

page 8.

If your system includes SCSI disk drives or other

devices that support SCAM and SCAM is enabled,

you do not need to manually assign SCSI IDs to these

devices. Most SCSI devices currently in use, however,

do not support SCAM, and you must set their SCSI

IDs manually.

1 2 3 4 5 6 7 8 9 10 ... 15 16

Comentarios a estos manuales

Sin comentarios

Adaptec 2920C - AHA - Storage Controller Manual de instrucciones Pagina 5

Comentarios a estos manuales

Relacionado con productos y manuales para Cajas De Interruptores En Serie Adaptec 2920C - AHA - Storage Controller