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1996-10-15
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Release: ASC.ADD 2.6
Last Updated: 10/15/96
Copyright (c) 1995-1996 Advanced System Products, Inc.
The AdvanSys OS/2 Universal Driver supports all the AdvanSys SCSI
Adapters listed below for the OS/2 2.1 and OS/2 WARP V 3.0, and
OS/2 WARP V 4.0 Releases.
The OS2 directory includes the following files. The latest versions
of these files are maintained on the AdvanSys FTP and BBS sites. If
the date listed in this file is more than a few months old, please
check the FTP or BBS site for a newer version of the driver.
OS2.TXT Installation Instructions
ASC.ADD AdvanSys Universal SCSI Adapter Device Driver
PRASC.EXE Presence Check Program (Only needed for desktop install)
PRASC.DDP Presence Check Definition File (Only needed for desktop install)
Supported Adapters
==================
The CDB counts below indicate the number of SCSI CDB (Command
Descriptor Block) requests that can be stored in the RISC chip
cache and board LRAM. A CDB is a single SCSI command. This value
can be lowered in the BIOS by changing the 'Host Queue Size' adapter
setting.
Connectivity Products:
ABP510/5150 - Bus-Master ISA (240 CDB) (Footnote 1)
ABP5140 - Bus-Master ISA PnP (16 CDB) (Footnote 1)
ABP5142 - Bus-Master ISA PnP with floppy (16 CDB)
ABP920 - Bus-Master PCI (16 CDB)
ABP930 - Bus-Master PCI (16 CDB)
ABP960 - Bus-Master PCI MAC/PC (16 CDB) (Footnote 2)
Single Channel Products:
ABP542 - Bus-Master ISA with floppy (240 CDB)
ABP742 - Bus-Master EISA (240 CDB)
ABP842 - Bus-Master VL (240 CDB)
ABP940 - Bus-Master PCI (240 CDB)
ABP940U - Bus-Master PCI Ultra (240 CDB)
ABP970 - Bus-Master PCI MAC/PC (240 CDB)
Dual Channel Products:
ABP752 - Dual Channel Bus-Master EISA (240 CDB Per Channel)
ABP852 - Dual Channel Bus-Master VL (240 CDB Per Channel)
ABP950 - Dual Channel Bus-Master PCI (240 CDB Per Channel)
Footnotes:
1. These boards have been shipped by HP with the 4020i CD-R drive.
They have no BIOS so they cannot control a boot device, but they
can control secondary devices.
2. This board has been shipped by Iomega with the Jaz Jet drive.
Directions are included below for installing the AdvanSys driver
with OS/2 WARP V 3.0 (A) and OS/2 WARP V 4.0 (B) to a new system,
or to an existing system (C), WARP V 3.0 or V 4.0.
A. AdvanSys ASC.ADD Device Driver Installation for OS/2 Warp V 3.0
===================================================================
1. Obtain the OS/2 WARP V 3.0 CD-ROM installation kit with the
following items:
a. IBM OS/2 WARP V 3.0 "Installation Diskette for CD-ROM"
b. IBM OS/2 WARP V 3.0 "Diskette for CD-ROM (1)"
c. IBM OS/2 WARP V 3.0 CD-ROM
2. Make a back-up copy of the diskette "Diskette for CD-ROM (1)".
This diskette must be modified to install the ASC driver.
3. The file ASC.ADD must be added to the diskette "Diskette for
CD-ROM (1)". Make space on the diskette by removing at least two
of the following driver files. Don't remove any drivers that you
have Adapter Cards for in your system. These are all drivers for
other SCSI Adapter Cards.
DPT20XX.ADD, BTSCSI.ADD, AHA152X.ADD, AHA154X.ADD, AHA164X.ADD,
AHA174X.ADD, AIC7770.ADD, AIC7870.ADD
4. Use a text editor to add the line "BASEDEV=ASC.ADD" as the last
line of the file CONFIG.SYS on the "Diskette for CD-ROM (1)".
Remove or comment out with REM the BASEDEV lines in CONFIG.SYS
for the driver files that you removed from the diskette.
5. Insert the "Installation Diskette for CD-ROM" into drive A:,
insert the install CD-ROM into the CD-ROM drive, and install
OS/2 by following the IBM OS/2 installation instructions.
6. After the OS/2 Installation has completed, install the driver
from the OS/2 Desktop by following the "Directions for installing
the driver to an existing system", Step A. Alternatively you can
install the driver manually following Step B.
B. AdvanSys ASC.ADD Device Driver Installation for OS/2 WARP V 4.0
===================================================================
1. Obtain the OS/2 WARP V 4.0 CD-ROM installation CD. Use the
CDINST program on the CD to create 3 installation diskettes.
After creating the diskettes, you should have the following items.
a. IBM OS/2 WARP V 4.0 "Installation Diskette for CD-ROM"
b. IBM OS/2 WARP V 4.0 "OS/2 Disk 1"
c. IBM OS/2 WARP V 4.0 "OS/2 Disk 2"
d. IBM OS/2 WARP V 4.0 CD-ROM
2. Make a back-up copy of the diskette "OS/2 Disk 1"
This diskette must be modified to install the ASC driver.
3. Remove Readme.ins file from the diskette "OS/2 Disk 1" to make room.
4. Added ASC.ADD onto the diskette "OS/2 Disk 1".
5. Use a text editor to add two lines
"Set CopyFromFloppy = 1"
"BASEDEV=ASC.ADD"
at the top of the file Config.sys on the "OS/2 Disk 1".
6. Insert the "Installation Diskette for CD-ROM" into drive A,
insert the install CD-ROM into the CD-ROM drive, and install
OS/2 by following the IBM OS/2 installation instructions.
C. Directions for installing the driver to an existing system:
==============================================================
Follow (A) for installing from the OS/2 Desktop or (B) for installing
from the OS/2 Command Line Desktop. It is recommended that (A) be used
because it is simpler to perform. Use either method of installation,
but don't use both.
A. From the OS/2 desktop:
1. Boot up the existing OS/2 system.
2. Insert the AdvanSys driver diskette in drive A.
3. Select "System Setup" in the "OS/2 System" icon. Select
"Device Driver Install" and follow the directions
to install the driver. Specify the OS2 directory on
the diskette as the "Source Directory".
4. If you would like to add options to the ASC.ADD command
line in the CONFIG.SYS file, use a text editor (tedit)
from an OS/2 Window command line to edit the CONFIG.SYS
file. Find the BASEDEV=ASC.ADD line in the file and add
the desired options. Refer to driver options below.
5. Reboot the system by selecting "Shutdown" from the
"Launch Pad" icon.
B. From the OS/2 command line:
1. Boot up the existing OS/2 system.
2. Insert the AdvanSys driver diskette in drive A.
3. Copy the file ASC.ADD from the diskette OS2 directory
to the directory C:\. This assumes that C: is the root
drive. Substitute the correct drive letter if your root
drive is different.
4. Use a text editor to add the line "BASEDEV=ASC.ADD" as the
last line of the drive C: or root drive CONFIG.SYS file. Add
any desired options to the line at this time. Refer to
driver options below.
5. Reboot the system.
AdvanSys Universal SCSI Adapter Device Driver Options
=====================================================
/V Verbose
Display information during OS/2 system initialization.
/A:d Adapter Index
"d" is a decimal number. This option is used to
specify an adapter for options that follow like
/I, /DM, or /SM. The first AdvanSys adapter in the
system is numbered 0, the second 1, etc.
/C Claim Interrupts
The driver will claim ownership of all interrupts
it is presented. This option is disabled by default.
Refer to the "Troubleshooting and Recovery Suggestions"
section below for more information on this option.
/I Ignore Adapter
Must be preceded by a /A:d option.
/[!]DM:target
or
/[!]DM:(target,lun),...
DASD Manager Support:
Indicate the unit(s) are to be controlled by
OS2DASD.DMD. "target" and "lun" are decimal numbers
that specify the devices to use. Must be preceded by
a /A:d option. If the '/' is followed by a '!' the
unit will not be controlled by OS2DASD.DMD.
/[!]SM:target
or
/[!]SM:(target,lun),...
SCSI Manager Support:
Indicate the unit(s) are to be controlled by
OS2SCSI.DMD. "target" and "lun" are decimal
numbers that specify the devices to use. Must
be preceded by a /A:d option. If the '/' is
followed by a '!' the unit will not be controlled
by OS2SCSI.DMD.
/L Enable scanning for LUN devices for all targets.
By default no LUN scanning is done.
/I:port Specify an I/O port address where an AdvanSys ISA
or VL adapter card can be found. Up to four of
these options can be present on the driver
command-line. "port" is a hexadecimal number.
/I- Avoid searching for any ISA or VL adapters.
/[!]TO Enable/disable software timeouts of disk I/O
operations. By default the driver will timeout
a disk I/O after 10 seconds.
ASC Driver CONFIG.SYS Examples
==============================
DEVICE=ASC.ADD /V /I:110
Print adapter and device information during start-up. And only
look for ISA or VL type cards at I/O port 0x110. The /I:XXX
option does not prevent the driver from finding and controlling
EISA and PCI cards.
DEVICE=ASC.ADD /I- /L
Do not look for any ISA and VL type cards. The driver will only
look for and control EISA and PCI cards. For each adapter found
scan each target device for LUN devices.
BASEDEV=ASC.ADD /A:0 /!SM:5 /!DM:5
Prevent the AdvanSys Adapter 0, Target 5 device from being
controlled by the OS2SCSI.DMD and OS2DASD.DMD Device Manager
Drivers. If OS2ASPI.DMD is loaded in your CONFIG.SYS it will
take control of the device.
Troubleshooting and Recovery Suggestions
========================================
Troubleshooting Tip 1:
If OS/2 hangs while booting it is possible to see
which driver OS/2 is loading when the hang occured.
To see drivers listed as they are being loaded do
the following: Reboot the system; After the boot
manager menu has been exited (if the boot manager is installed)
and while the string "OS2" is displayed to the right of
a white box in the upper, left-hand corner, press ALT-F2.
Each driver that OS/2 loads will be displayed in the lower,
left-hand corner of the screen.
Troubleshooting Tip 2:
To get to an OS/2 prompt of a system that hangs during
start-up press ALT-F1 while the string "OS2" is displayed
in the upper, left-hand corner. The OS/2 logo will be
displayed and then after a few seconds a menu of options will
be presented. Choose the option to enter the command line.
This will allow you to make changes to your CONFIG.SYS file
or install new driver files. The OS/2 editor "tedit" can be
used to edit the CONFIG.SYS file.
If the above procedure fails boot the "Installation Diskette for
CD-ROM" and when prompted insert the "Diskette for CD-ROM (1)".
Before the install procedure begins you will be given the option
of exiting to the command line by pressing F3. Press F3 to enter
the OS/2 command line.
Problem 1:
OS/2 hangs while loading the ASC.ADD driver and an ASC ISA or
VL card is installed and other ISA SCSI cards or network cards
are installed.
Solution 1:
Write down the I/O port address that is printed by the AdvanSys BIOS
when the system is booted. Re-boot the system to the OS/2 command
line as described above in Troubleshooting Tip 2. Edit the CONFIG.SYS
file and add the /I:port address option to the ASC.ADD line to
explicitly tell the driver which I/O port the AdvanSys adapter
has been configured at.
Problem 2:
OS/2 panics while loading the ASC.ADD driver with a ASC PCI card
installed. OS/2 2.X is being used. The problem does not occur with
OS/2 Warp.
Solution 2:
OS/2 2.X does not support PCI. You must obtain a patch for OS/2 2.X
either from IBM or AdvanSys. Contact AdvanSys Customer Support.
Problem 3:
When installing the ASC driver from the desktop the error message
"A profile control file could not be found" is displayed and the
installation fails.
Solution 3:
The "Source Directory" for the install must be set to the directory
which contains the files PRASC.DDP, PRASC.EXE, and ASC.ADD. Change
the "Source Directory" to this directory. The directory as on the
AdvanSys Driver diskette is A:\OS2.
Problem 4:
Where is the AdvanSys ASPI driver?
Solution 4:
The ASPI (Advanced SCSI Programming Interface) Driver for OS/2
is provided by IBM. The OS/2 ASPI driver (OS2ASPI.DMD) works with
any ADD (Adapter Device Driver) including ASC.ADD. Add the line
listed below to your CONFIG.SYS file. Also refer to the Problem
below. You may need to add options to your ASC.ADD BASEDEV line
to ensure that OS2ASPI.DMD controls a particular device.
BASEDEV=OS2ASPI.DMD
Problem 5:
OS2ASPI.DMD does not report a SCSI device that is installed.
Solution 5:
Each ADD (Adapter Device Driver) target device can only be
controlled/allocated by one DMD (Device Manager Driver). The
OS2DASD.DMD (Disk Block Driver), OS2CDROM.DMD (CD-ROM Block
Driver), OS2SCSI.DMD (SCSI Pass-Through Driver), and
OS2ASPI.DMD (Advanced SCSI Programming Interface Driver) Device
Managers control any devices that they find to be unallocated
and possibly of a particular type. For example OS2DASD.DMD
will only search for and control disk type devices. This
"first-come, first-served" device allocation makes the
ordering of DMD drivers in the CONFIG.SYS file important.
Devices may also be flagged on the ADD line with the /SM and /DM
options to prevent them from being controlled by a Device Manager.
/SM may be used to prevent OS2SCSI.DMD from controlling a device
and /DM may be used to prevent OS2DASD.DMD from controlling a
device. OS2CDROM.DMD does not have a similar option. Refer to the
section above entitled "AdvanSys Universal SCSI Adapter Device
Driver Options" for more information about the /SM and /DM options.
The OS2ASPI Device Manager supports two options for device
sharing named /ALL and /SHARE. Both of these options prevent
OS2ASPI.DMD from exclusively allocating a device which prevents
another DMD from using the device. At the same time they allow
OS2ASPI.DMD to access a device even if it is controlled by
another DMD. The /ALL option prevents the OS2ASPI.DMD from ever
attempting to allocate a device. With the /SHARE option OS2ASPI.DMD
will only allocate a device while sending a command to the device.
Example 1:
A CD-ROM drive is attached to AdvanSys Adapter #0 at Target #5
and you want both OS2ASPI.DMD and OS2CDROM.DMD to control the
CD-ROM. Use the following lines in the CONFIG.SYS file.
BASEDEV=OS2CDROM.DMD
BASEDEV=OS2ASPI.DMD /ALL
BASEDEV=ASC.ADD /V
Example 2:
A scanner is attached to AdvanSys Adapter #0 at Target #4 and
you are loading both OS2SCSI.DMD and OS2ASPI.DMD, and want
OS2ASPI.DMD to exclusively control the scanner.
BASEDEV=OS2SCSI.DMD
BASEDEV=OS2ASPI.DMD
BASEDEV=ASC.ADD /V /A:0 /!SM:4
Problem 6:
The ASC.ADD driver does not load at boot time. OS/2 displays a
message about there being an error with the driver. After this
ASC.ADD displays a message about disabling the BIOS SCAM option.
OS/2 may have displayed this message too quickly for it to
be readable.
Solution 6:
If your AdvanSys BIOS does not have the "SCAM Device Support" option
then ignore this solution. If your AdvanSys Card BIOS does have the
SCAM (SCSI Configured AutoMatic) option make sure that it is disabled.
The OS/2 operating system does not have support for this feature. If
the ASC.ADD driver detects that the option has been enabled, it will
return an error. To correct this problem or check the setting, enter
the AdvanSys BIOS by typing Ctl-A during the AdvanSys BIOS Device
Scan at boot time. Select the "SCSI Configuration" option and then
the "SCAM Device Support" option. If the "SCAM Device Support" option
is enabled then disable it, save the change, and reboot the system.
Problem 7:
The system already had an IDE boot disk and was working fine.
An ASC adapter and driver were installed and now the system
doesn't boot. The OS/2 logo is displayed and then OS/2 prints
a message about not being able to control or find the primary
drive.
Solution 7:
The IBM1S506.ADD (IDE) driver should precede the ASC.ADD driver
in the CONFIG.SYS file if the system boots from an IDE drive.
OS/2 will boot initially from the BIOS (0x80) boot drive.
It will then read the CONFIG.SYS file contained on this boot
drive. OS/2 continues its boot procedure with the first ADD
BASEDEV driver it finds that controls a fixed disk. If this
fixed disk is not the same as the BIOS (0x80) boot disk, OS/2
will actually switch to this different drive to complete booting
the system. For this reason the order of BASEDEV ADD lines in
the CONFIG.SYS file is very important. If you boot from an IDE
drive simply ensure that IBM1S506.ADD is the first BASEDEV line
in the CONFIG.SYS file.
Problem 8:
The system boots very slowly. After the ASC.ADD driver is loaded
the AdvanSys adapter or boot disk drive light comes on about once
per second.
Solution 8:
This problem is probably the result of the ASC.ADD interrupt
handler not being called by OS/2 after the AdvanSys adapter has
completed an I/O. Instead I/O requests are being completed by
the ASC.ADD timer interrupt handler which is called once per
second. Try setting your AdvanSys adapter IRQ to a different
setting using the AdvanSys BIOS. If you have a PCI motherboard
and AdvanSys PCI Adapter, try setting the IRQ for the AdvanSys
PCI Adapter slot to a different IRQ using the motherboard BIOS.
Also if given the option select level-edge triggering for the
interrupt. Finally try using the /C driver option, which will
cause the ASC.ADD driver to claim all interrupts that it is
presented. This option may be needed for systems that happen
to generate spurious interrupts on the AdvanSys IRQ. With EISA
and PCI bus cards which may share an IRQ with other adapters,
each driver indicates whether it claims an interrupt it is
presented by setting a different return status. Therefore using
the /C option may cause errors in interrupt sharing configurations.
Problem 9:
The system does not recognize a MO (Magneto-Optical) drive.
Solution 9:
Add the /V option to the ASC.ADD command line in the CONFIG.SYS
file. This will cause the driver to print a banner and information
about each device that it detects on the SCSI bus. Check to see
if the MO drive is displayed and what device type it is listed with.
OS2DASD.DMD will only recognize MO drives when they are set
to be "Disk" type devices (SCSI Device Type 0). If the drive is
listed as an "Optical Memory" device (SCSI Device Type 7), change
the device's setting to "Disk". This can usually be changed with a
jumper or switch on the MO drive. When OS2DASD.DMD recognizes the MO
drive a removable drive icon will appear in the "Drives" folder.
Problem 10:
A MO (Magneto-Optical) disk formatted under DOS or Windows is not
recognized by OS/2.
Solution 10:
OS/2 has its own format for MO disks. They are treated like large
floppy disks and do not have a partition table. Windows 95 can
read OS/2 formatted MO disks, but OS/2 will not recognize MO
disks formatted under Windows 95. If you want to transfer MO
disks between OS/2 and Windows 95 format the disks under OS/2.
Problem 11:
An OS/2 installation does not work to an MO (Magneto-Optical) disk.
Solution 11:
OS/2 has its own format for MO disks. They are treated like large
floppy disks and do not have a partition table, because of this
OS/2 can not be installed to an MO disk.
Problem 12:
What are PRASC.DDP and PRASC.EXE and what are they used for?
Solution 12:
PRASC.DDP is an OS/2 Device Driver Profile file and PRASC.EXE is
an OS/2 executable. These are "Presence Check" files that are
used with an OS/2 desktop install of the AdvanSys OS/2 Driver.
PRASC.EXE exits with a value of 0 if an AdvanSys SCSI Host Adapter
is installed in the system and -1 if it encounters an error or if
no AdvanSys SCSI Host Adapter is not installed in the system. Once
the ASC.ADD driver is installed these two files are not needed. In
fact these files are not even needed to install the ASC.ADD driver
to the OS/2 CONFIG.SYS file. The ASC.ADD driver can be added to
the CONFIG.SYS file with a text editor. Please refer to the section
above on installing the ASC.ADD driver from the OS/2 command line.
AdvanSys Contact Information
============================
Mail: Advanced System Products, Inc.
1150 Ringwood Court
San Jose, CA 95131
Operator: 1-408-383-9400
FAX: 1-408-383-9612
Tech Support: 1-800-525-7440/1-408-467-2930
BBS: 1-408-383-9540 (14400,N,8,1)
Interactive FAX: 1-408-383-9753
Customer Direct Sales: 1-800-883-1099/1-408-383-5777
Tech Support E-Mail: support@advansys.com
FTP Site: ftp.advansys.com (login: anonymous)
Web Site: http://www.advansys.com