GT RAX Systems
Late-Breaking News
April 1999
D1AA00110
Copyright
1999 Intergraph Computer Systems. All rights reserved. This document contains information protected by copyright, trade secret,
and trademark law. This document may not, in whole or in part, be reproduced in any form or by any means, or be used to make any
derivative work, without written consent from Intergraph Computer Systems.
Use, duplication, or disclosure by the United States Government is subject to restrictions as set forth in subdivision (c)(1)(ii) of the
rights in technical data and computer software clause at DFARS 252.227-7013. Unpublished rights are reserved under the copyright
laws of the United States.
Intergraph Computer Systems, Huntsville AL 35894-0001
Notice
Information in this document is subject to change without notice and should not be considered a commitment by Intergraph Computer
Systems. Intergraph Computer Systems shall not be liable for technical or editorial errors in, or omissions from, this document.
Intergraph Computer Systems shall not be liable for incidental or consequential damages resulting from the furnishing or use of this
document.
All warranties given by Intergraph Computer Systems about equipment or software are set forth in your purchase contract. Nothing
stated in, or implied by, this document or its contents shall be considered or deemed a modification or amendment of such
warrantites.
Trademarks
Intergraph Computer Systems and the Intergraph Computer Systems logo are registered trademarks of Intergraph Computer Systems.
StudioZ and RAX are trademarks of Intergraph Computer Systems.
Other brands and product names are trademarks of their respective owners.
General
Mouse
If the wheel on the Logitech wheel mouse does not function, or if you experience any other
anomalies while using the wheel mouse, install the
System CD using InterSite Version Manager.
If your system was delivered with a three-button Primax mouse, you may see a message that says
“MouseWare has detected a new Wheel Mouse....” and asks if you want to configure the new
device. If this happens, select No. If you experience any other anomalies while using the Primax
mouse, reinstall the mouse driver found on the Windows NT software CD-ROM.
Ensoniq AudioPCI Driver
When you try to create backup diskettes for the Ensoniq AudioPCI audio driver software
(
ENSQ1371WNT4), you may see an error message that says Version Manager cannot copy the file.
If you click OK, nothing is copied to the diskette. If this happens, you cannot create backup media
for this product. If you need to reinstall this product, download this product from the Support
pages on the World Wide Web (http://www.intergraph.com/ics/), or look for it on the Intergraph
System CD-ROM.
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LMOUSE driver software from the Intergraph
USB Peripherals
Your system includes Universal Serial Bus (USB) ports to which you can connect USB
peripherals. Windows NT 4.0 does not support USB peripherals. Microsoft will add support for
USB peripherals to a future Windows NT release.
Other Operating Systems
Intergraph Computer Systems only certifies and supports the use of Windows NT on TDZ 2000
GT1. No other operating systems are certified or supported.
Booting with the CD-ROM Drive Door Open
If the system is equipped with a Sony SCSI CD-ROM drive, note that the system may hang during
boot if the CD-ROM drive door is open. If this happens, close the CD-ROM drive door and restart
the system.
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Mylex 250 RAID Controller
If your system includes a Mylex 250 RAID controller, note that Conner RAID disk drives (which
you may have in an existing InterRAID-8e array) are not compatible with this controller. You can
use Seagate Barracuda or Cheetah RAID disk drives with this controller.
If you add a Mylex 250 RAID controller to PCI slot 4, 5, or 6 on the system, you must run the
SCSI Configuration Utility and reassign the boot order to the system’s on-board SCSI controllers.
This prevents a possible boot problem from occurring. See System Setup for information on
running the SCSI Configuration Utility.
Disk Drive Delayed Start
Hard disk drives draw an extra amount of power when the system is first powered on. The power
supply can support up to two hard disk drives powering on (spinning up) at once. If you add more
than two hard disk drives in a system, you must activate the delayed start feature on the additional
hard disk drives. Doing this forces these drives to pause b e fore spinning up, allowing the power
supply to finish starting the first drives. See the disk drive documentation or the disk drive labe l
for information on activating delayed start.
Windows NT 4.0
Windows NT Diagnostics and PCI Device IRQs
When using the Windows NT Diagnostics tool, the interrupt requests (IRQs) displayed for
Peripheral Component Interconnect (PCI) devices may be incorrect. This occurs because of the
way Windows NT Diagnostics reads IRQs on a system that conforms to Intel’s Multi-Processor
Specification (MPS) version 1.4. Microsoft has acknowledged the problem and is working to
resolve it.
Enabling PC Card Hard Disk Operation
Intergraph Computer Systems has found a resource conflict that keeps a PC Card hard disk (ATA
or AT type) from being configured by Windows NT 4.0. To enable operation of a PC Card hard
disk in a PC Card adapter, you must edit the Windows NT Registry.
WARNING Be careful when making changes in the Registry. Any mistakes or incorrect
changes may cause serious operating system problems, and you may have to
reinstall the operating system. If the system becomes unusable after you have
modified the Registry, restart the system and try to use the Last Known Good
configuration option to undo the damage. See Windows NT documentation for
more information on the Last Known Good configuration option.
To enable PC Card hard disk operation:
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1. Start the Registry Editor (
REGEDT32.EXE) to open the Registry.
2. Open the following subkey in the Registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Pcmcia
3. From the Edit menu, select Add Value.
4. In the Value Name box, type InterruptMask.
5. In the Data Type box, select REG_DWORD; then select OK.
6. In the Data box, type F347.
7. Under Radix, select Hex; then select OK.
8. Exit from the Registry Editor.
9. Restart the system.
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