1. AHA_1542.zip Driver
2. readme.txt File Contents

readme.txt Driver File Contents (AHA_1542.zip)

NOTE: do NOT perform any BIOS/EPROM ugrades unless you know what you are doing!
 Do NOT ask me how to do it because I have not needed to.
I do NOT take ANY responsibility for you munching you card / system from using
	anything provided in this ZIP file.
I hope this helps you out. Also check this link:
             http://www.adaptec.com/support/overview/aha1540.html

What each file is according to direct quotes from Adaptec:

in folder "general"
154X_JM.PDF = Jumper Settings for the AHA-154xB in PDF format

!ADP0100.CFG = EISA configuration file for AHA-1540/42B

1542CCFG.EXE = ASWC154 v2.01, AHA-154xC & AHA-154xCF configuration utility

154CPCFG.EXE = Executable version of the AHA-154xCP SCSIselect configuration utility

154XQ.TXT = Common question and answers for the AHA-154x SCSI controller

BUSTIFIX.EXE = Bus on/bus off timing fix for AHA-154xA and AHA-154xB
                       Bus on/off fix for AHA-154xA or AHA-154xB cards only. For the
                       AHA-154xC or AHA-154xCF, use 1542CCFG.EXE (which contains
                       C_CONFIG.EXE or CFCONFIG.EXE).

"DOS/Windows v3.xx"
DOSDRVR.EXE = DOS ASPI drivers for Adaptec SCSI Host Adapters. This
                       File includes ASPI2DOS.SYS, ASPI4DOS.SYS, ASPI7DOS.SYS,
                       ASPIEDOS.SYS, ASPI8DOS.SYS, ASPI8U2.SYS, ASPICD.SYS,
                       ASPIBUF.SYS, ASPIDISK.SYS, MA358.SYS and MCAM18XX.SYS
                       drivers.

"Windows 95/98"
WIN95MPD.EXE = EZ-SCSIv4.01 Windows 95 drivers for the Adaptec
                       AHA-151x/152x, AIC 6260/6360/6365/6370, APA-14xx, AHA-154x,
                       AHA-2940, AHA-3940, AHA-2920/A and AIC-78x0.

"Windows NT"
File: AHA154X.SYS (embedded within NT)
                       Description: This is the name of the file for the AHA-154x, which is
                       currently embedded within Windows NT operating system. (select the
                       option 'Adaptec AHA-154X' within Windows NT). Consult your Windows
                       NT documentation for driver installation.

"BIOS/EPROM"
A154X.EXE = AHA-154xA BIOS and Microcode

B154X.EXE = AHA-154xB BIOS and Microcode, v3.10

B154X334.EXE = AHA-154xB BIOS and Microcode for alt. boot address
                       334h, v3.20ALT
                       Supports DOS hard drives > 1 Gb for DOS 5.0+ with jumper J6 pin 2.

B154XG.EXE = AHA-154xB BIOS and Microcode for > 1 Gb support (DOS
                       5.0+ only)
                       This is the latest code for the AHA-154cB in any operating system. For
                       DOS support of hard drives > 1 Gb, you will need to jumper J6 pin 2.

B154XGT.EXE = AHA-154xB BIOS and Microcode with extended timeout
                       Supports DOS (5.0+) hard drives > 1 Gb.
                       This BIOS is only needed for hard drives that have an extended spinup
                       duration.

C154X.EXE = AHA-154xC BIOS and Microcode, v1.02
                       Added support for Hewlett-Packard 1300T Magneto-Optical drive.
                       Includes synchronous and fast synchronous support for Toshiba
                       XM-3401B CD-ROM drive.

CF154X.EXE = AHA-154xCF BIOS and Microcode, v2.10

"OS/2"
AHA154X.EXE = OS/2 v2.x driver for AHA-154x

"Novell NetWare"
NW215.EXE = Drivers for all supported Adaptec SCSI host adapters in
                       Novell NetWare v2.15. Supports AHA-154x, AHA-1640, AHA-1520, and
                       AHA-1510

NW22.EXE = Drivers for all supported Adaptec SCSI host adapters in
                       Novell NetWare v2.2. Supports AHA-154x, AHA-1640, AHA-1520, and
                       AHA-1510

NW30.EXE = Drivers for all supported Adaptec SCSI host adapters in
                       Novell NetWare 3.0. Supports AHA-1540, AHA-1640, AHA-1740 and
                       AHA-1520

NW310.EXE = Drivers for all supported Adaptec SCSI host adapters in
                       Novell NetWare v3.10. Supports AHA-1540, AHA-1640, AHA-1740 and
                       AHA-1520

NW31X.EXE = Drivers for all supported Adaptec SCSI host adapters in
                       Novell NetWare v3.1x. Supports AHA-1510, AHA-1520 AHA-1540,
                       AHA-1640, AHA-1740, AHA-274x, AHA-284x, AHA-2940, AHA-3940,
                       and AHA-3980

NW4X.EXE = Drivers for all supported Adaptec SCSI host adapters in
                       Novell NetWare v4.x. Supports AHA-1510, AHA-1520 AHA-1540,
                       AHA-1640, AHA-1740, AHA-274x, AHA-284x, AHA-2940, AHA-3940,
                       andAHA-3980