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Text File
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1988-03-23
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5KB
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119 lines
Perstor Systems, Inc.
PS200IO.BIN
Preliminary Documentation
Description
The PS200IO.BIN program is a special device driver developed
to support the installation of two Perstor PS180 Hard Drive
Controllers on the same machine. This driver, when installed as a
device driver in the CONFIG.SYS, will allow MS-DOS 2.x/3.x to
recognize the two controllers and initialize up to four hard
drives during Power On System Test (POST).
This device driver uses port address 300H to communicate
with the co-resident controller. Since the resident controller
(herein after referred to as Controller 1) BIOS is located at
C800:0000H, the co-resident controller (Controller 2) must have
it's onboard BIOS disabled to avoid memory addressing conflicts.
The BIOS on Controller 2 is disabled by removing the
shorting clip at JMP4. Port address selection is activated by
placing a shorting pin on JMP5 of controller 2. As shipped the
controller is designed to use Port 300H.
Note: Be sure you have no other devices using this port address.
Installation Instructions
To Install the PS200IO.BIN driver, follow these procedures:
1. Install Controller 1 according to instructions contained
in the PS200 Series documentation. At this point treat
the controller as the only one to be installed. Set the
drive jumpers on JMP6 to reflect the two hard drives
that will be attached to controller 2.
2. Perform a low level format of the drives using the PS2FMT
formatter program included with your PS200 Series
controller.
3. High Level Format with Disk Manager from On-Track
Systems, and define the entire drive as (1) Logical
Volume. Do the same with the second drive if you are
installing two drives on Controller 2. Be sure to define
the drives as Write/Read partitions instead of DOS
partitions.
4. Disconnect the two drives from Controller 1 and connect
the two drives that will be the permanent drives for this
controller. Perform the low level format on the two
drives using PS2FMT. Partition and high level format
these two drives using Disk Manager from On-Track
Systems. When you are finished, you should have an
operating system on the first physical drive, along with
the On-Track device driver called dmdrvr.bin
5. You are now ready to install Controller 2 in the system.
Proceed with the installation and attach the two
previously formatted drives. Be sure you have disabled
the BIOS by removing the shorting pin for JMP4. Also
check that JMP5 is now shorted for proper port address
300H activation.
6. Copy PS200IO.BIN onto your Boot Drive Root Directory
7. Alter your config.sys on the boot Drive to include
DEVICE=PS200IO.BIN
as one of the defined devices to DOS.
Example CONFIG.SYS
DEVICE=DMDRVR.BIN
DEVICE=PS200IO.BIN
DEVICE=ANSI.SYS
FILES=20
BUFFERS=14
etc.
8. REBOOT your system.
9. The one or more co-resident drives will now be single
volumes occurring after any volumes connected to your
resident PS180.
Note: The On-TRACK software must be present to alter the
sector size of DOS before the invocation of the driver
PS200IO.BIN. Other drivers such as fixt_drv.sys
(VFeature) or hardrive.bin (SpeedStor) may also be used.
Dmdrvr.bin is only included here as an example and does
not constitute endorsement of this software over similar
software from Golden Bow or Storage Dimensions.
10. If you want to use another port address you may DEBUG alter
PS200IO.BIN at offset 10b:
DEBUG PS200IO.BIN
e 10b
xx 03 xx 03 xx 03 xx 03 until 3D
W
q
11. Then strap JMP5 to the PORT Address base. If you must
use any port address other than PORT Address 300H, this
may require modifications to trace connections on
the solder side of the board. If you undertake such
modifications on your own, the PS180 warranty will be
null and void and repair charges will apply.
End of preliminary documentation