Apple Enterprise - NeXTanswers Support Archive

Search NeXTanswers for:

NEXTSTEP for Intel Processors Release 3.3

Display Driver Overview

Driver: ATI Mach32
Driver Overview: NeXTanswer #1817
Last Update:
April 23, 1997

Availability Information

Newer Released Driver in NeXTanswers*:
Yes, Version 3.30, as NeXTanswer #1833
Newer Beta Driver in NeXTanswers*: No, Version 0.00, as NeXTanswer #

Driver Name / Installer .pkg: ATIMach32DisplayDriver
Driver Type: Display
Driver Scope: Generic-Chipset
Supported Components: AT&T ATT20C491 RAMDAC, ATI 68800 (Mach32), ATI 68830 RAMDAC, ATI 68875 RAMDAC, Brooktree Bt481 RAMDAC, Brooktree Bt485 RAMDAC
PC Bus / Interface Supported by Driver**: EISA, Integrated, PCI, VL-Bus

General Overview notes: Generic Driver for the ATI Mach32 (Also known as 68800) Rev 3, Rev 6 and AX.

Supported Products / Add-on Adapters:
ATI Graphics Ultra Pro - EISA (with 2MB VRAM)
ATI Graphics Ultra Pro - PCI (with 2MB VRAM)
ATI Graphics Ultra Pro - VL-Bus (with 2MB VRAM)
ATI Graphics Ultra Pro XLR - VL-Bus (with 2MB DRAM) - not tested, but should work
ATI Graphics Ultra Pro XLR - PCI (with 2MB DRAM) - not tested, but should work

Supported Products / Systems (ie integrated into PC System):
Intel GX/Pro (Custom LocalBus, onboard ATI, TI 34075 RAMDAC)
Data General Dasher DE2 (Custom LocalBus, TI 34075 RAMDAC)
AST Premmia 4D (Custom LocalBus, onboard ATI, BT 481 RAMDAC)
Gateway V Series (VESA LocalBus, ATI 68875 RAMDAC)

Special Features of Driver / Driver Notes:

Display Driver Details

Supported Connectors:
15-pin High Density (VGA)
Access Mode:
Linear Framebuffer
Adapter Memory: 1MB DRAM, 1MB VRAM, 2MB DRAM, 2MB VRAM

Display Modes (Number in () after resolution indicates frame buffer size required)

32 Bit Color Modes**:

16 Bit Color Modes**:
1024x768 (2MB+), 1120x832 (2MB+), 800x600 (1MB+)

8 Bit Color / Greyscale Modes**:
1024x768 (1MB+), 1120x832 (1MB+), 1280x1024 (2MB+), 800x600 (1MB+)

Known Problems

NeXT SQA has experienced some display problems with the ATI Mach32 VL-Bus adapter on machines using the OPTi chip-set. One of the problems is the machine will hang in any of the 8-bit greyscale display modes. However, machines without this chip-set behave normally.

NeXT SQA has witnessed some video noise in 800x600 display modes for adapters with the 68003 Mach32 chip.

Driver Version Notes

Future Planning

Future / Update Planning:

Reason for New Driver / Update:
New Driver / Update Timeframe:

New Driver / Update Description:

Note: Information contained in the "Future Planning" section of this document does not constitute a commitment on the part of NeXT to complete the planned development work.

* - Any NeXTanswer number that is blank indicates that a driver will not be released for this version of NEXTSTEP.

** - Indicates information that is inclusive of the entire capability of this driver. Not all devices supported by this driver may include all features listed. Check any available NeXTanswers and the hardware manual for the device for additional information.

Product Vendor

ATI Technology
2880 Zanker Road
Suite 203
San Jose, CA 95134

+1 (416) 882 2600 international phone
+1 (905) 764 9404 bulletin board system
+1 (416) 882 2600 faxback system

OpenStep | Alliances | Training | Tech Support | Where to Buy