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HDDRIV60
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README.1ST
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1998-03-14
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How to install the demo version of HDDRIVER:
Make sure that you have an XHDI compatible hard disk driver installed.
XHDI compatible are current versions of CBHD, HuSHI, hdpSTACK and HDDRIVER,
of course. If none of the drivers listed above is installed, copy the file
HDDRIVER.PRG on a floppy disk. Boot your system from floppy disk and start
the program HDDRIVER.PRG.
Now start HDDRUTIL and choose "Install" from the "Harddisk" menu. A dialog
box is displayed and you have to choose drive C: from the list of drives and
press OK. Reboot your Atari in order to activate HDDRIVER.
HDDRIVER initially checks only one drive on each bus (IDE device 0, SCSI
device 0, ACSI device 0). If you have more drives you have to configure
HDDRIVER accordingly. Choose the "Device Numbers" menu entry and select the
file HDDRIVER.SYS on partition C: in the file selector box. Now you can
activate all valid device numbers and leave the dialog box with OK.
You can remove HDDRIVER simply by installing another hard disk driver
according to the installation instructions for this driver.
NOTE:
Drives that were partitioned with old versions of the ICD hard disk
software are not AHDI compatible if they have more then 4 partitions.
In this case the installation of an AHDI compatible driver requires
repartitioning your drive with an AHDI compatible software package or
converting the existing partitioning scheme to an AHDI compatible scheme
with ICD2AHDI.
Don't use the MagiC write back daemon if you make use of non-blocking
data transfers. Preemptive multitasking should be activated by the MagiC
timeslice CPX when using non-blocking transfers. So please remove the
line with the TSL keyword from the file MAGX.INF. The MagiC README provides
more information. The most important thing to keep in mind when using non-
blocking DMA transfers: All DMA drivers in the system have to support this
transfer mode. If this is not the case, data may be corrupted.
When using bus arbitration or initiator identification (some drives require
this, especially the newer Quantum drives) you have to choose a SCSI ID for
TT and Falcon higher than any other SCSI ID on the SCSI bus. TOS can't boot
from drives that require initiator identification. This can't be circumvented
by a hard disk driver. On the Atari ST drives that require initiator
identification will work with the LINK96 host adapter but not with other
adapters.
Most Falcon computers have problems with their SCSI hardware especially with
high screen resolutions. Atari proposed several hardware fixes (clock patch)
and your dealer should know about them. As HDDRIVER drives Falcon SCSI with
maximum speed, you might encounter this problem even if you didn't notice it
before.
The folder XHDI contains the official version of the XHDI specification
(also in English) as well as the German XHDI documentation in the ST Guide
hypertext format. The hypertext files in this folder may only be copied
together with the file XHDI-125.ZOO.
Limitations of the HDDRIVER demo version:
- Data can't be written on other partitions than C:.
- Writing data is much slower than in the unlimited version. Data are read,
however, with maximum speed.
- SCSI and IDE drives can't be configured.
- Read/Write protection of ZIP drives can't be configured.
- Formatting and Partitioning are not supported.
- No software based write protection.
- No additional tools that come with the full verision (ID check software,
configuration software etc.)
The most important features of the unlimited version:
- Driver for Atari SH/Megafile, SCSI and IDE/EIDE drives
- Works with hard disks and removable media (MOD, SyQuest, ZIP, JAZ, ...)
- Media with more than 512 physical bytes per sector (especially some MOD
media) are supported. On the ST an ICD compatible host adapter is required
in order to use this feature, e. g. the LINK96 by Norbert Wieczorek.
- Formatting of SCSI drives and Atar SH and Megafile drives
- Support for DOS-formatted media
- DOS compatible partitioning, also for partitions > 32 MByte
- Reconstruction of partition data in case the root sector was corrupted
- XHDI compatible, supports all XHDI 1.25 calls
- Write protection for single partitions and for boot and root sectors.
- ZIP media can be read or write protected on a password basis.
- SCSI initiator identification and bus arbitration support (TT and Falcon
only)
- Parity check with TT and Falcon SCSI gives a maximum of data security
- You can choose the boot partition by pressing a key or depending on the
computer's SCSI ID.
- Fast booting because you can configure the device numbers to be checked
- Support of two IDE or EIDE units (master and slave) of any capacity
- Arbitrary order of devices
- Optional "Fast ACSI" mode gives maximum transfer rates with most SCSI
drives connected to the ACSI bus.
- Special support for ICD compatible host adapters. This allows drives
> 1 GByte to be used on the ACSI bus without limitations.
- Important parameters of SCSI-2 drives can be configured (Cache, Parity,
Unit Attention).
- With the MagiC operating system there are up to 23 partitions.
- With BIGDOS up to 29 partitions are possible.
- Non-blocking DMA transfers with MagiC 3 or newer. Applications keep on
running while data are being transferred.
- CPX and ACC for configuring HDDRIVER
- Software for automatic parking of hard disk drives is included as well as
software for partitioning and for scanning devices on the ACSI and SCSI
bus
Where to get HDDRIVER:
In the UK HDDRIVER is distributed with an English manual by System Solutions.
In the US and Canada you can get HDDRIVER from Computer Direct. In Italy
HDDRIVER is available from Byte Service.
HDDRIVER can also be ordered directly from the author (German manual only):
Uwe Seimet
Luedersstrasse 4
D-76275 Ettlingen
email: us@bruker.de
The price of HDDRIVER including a German manual and postage is 55 DM.
You can get HDDRIVER on DD or HD disks.