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		      RAIDDOS.TXT --- INTRODUCTION
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Congratulations on purchasing your new Adaptec PCI RAID Adapter.  
This board provides RAID solutions with an unprecedented 
price/performance ratio. The AAA-131 is a single channel PCI to SCSI
RAID Adapter. The AAA-132 is a dual channel PCI to SCSI RAID Adapter. 
AAA-133 is a three channel PCI to SCSI RAID Adapter.


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		     DOS Drivers for CD-ROM access
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DOS CD-ROM drivers (ASPICD.SYS, ASPI8DOS.SYS) only need to be installed 
if DOS access to a CD-ROM drive attached to the ARO-1130 or AAA-131 or 
AAA-132 or AAA-133 is required.  If NetWare is already installed, or 
if the CD-ROM drive is not connected to the ARO-1130 or AAA-131 or 
AAA-132 or AAA-133 these drivers do not need to be copied or installed.

This disk provides the following DOS drivers:

1. ASPI8DOS.SYS version 1.31

DOS ASPI driver for ARO-1130, AAA-131, AAA-131, AAA-133.  This file is 
only needed if ASPICD.SYS will be loaded.

2. ASPICD.SYS

DOS ASPI driver for CD ROM devices.  Not needed if CD-ROM access is
only required from NetWare.

Following systems files should be modified as discussed:

1. CONFIG.SYS

Modify CONFIG.SYS for loading ASPI8DOS.SYS and ASPICD.SYS, necessary
for connecting a CD-ROM.  Either create this file in C:\ if you do not
currently have a CONFIG.SYS, or add these lines to the existing
CONFIG.SYS.  Note that you may need to change the path for the
drivers.

	  DEVICE=C:\SCSI\ASPI8DOS.SYS /D
	  DEVICE=C:\SCSI\ASPICD.SYS /D:ASPICD0


2. AUTOEXEC.BAT

Modify AUTOEXEC.BAT for loading MSCDEX, which is necessary for
connecting a CD-ROM. Add this line to the existing AUTOEXEC.BAT:

	  MSCDEX.EXE /D:ASPICD0 /M:12

This will assign the CD-ROM to the next available driver letter,
typically D: if there is only one DOS drive.

If you are using MS-DOS Version 5.0 and do not already have MSCDEX, 
you will need to either upgrade to V6.0 or above, or download MSCDEX 
from Microsoft BBS or CompuServe forum.


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		      DOS Access to Array Devices
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Although the ARO-1130 or AAA-131, AAA-132, AAA-133 BIOS provides 
INT 13 BIOS access to array devices, including data availability access 
even with a down drive, none of the hot spare or reconstruct options 
are available from DOS. BIOS access is intended as a means of booting 
NetWare.

During DOS access, if enough drives fail to take an array off-line
(more than one drive of a RAID5 array, or any drive of a RAID0 array,)
DOS will give the standard "General failure reading drive" error
message.  No message is given for a single drive failure in a RAID5
array.

Once NetWare is loaded, CI/O Array Management Software will report 
any error conditions.  If a hot spare is available, it will 
automatically be invoked.
			   
Because of the above issues, using the ARO-1130 or AAA-131, AAA-132, 
AAA-133 in a DOS or Windows 3.1x environment is not recommended.


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		Copyright (c) 1997, Adaptec Inc
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