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1
1.0 Overview
This document is a guide for installing the mach64 (PB2GA-FA/FN/FV) graphics option in
Digital AlphaStation 200 4/100 systems. If the particular system platform in use is not
covered herein, please contact Digital at 800-DIGITAL (800-344-4825) for technical
assistance.
2.0
General Description
The mach64 graphics accelerator is a single-slot PCI-bus graphics option for use in
Digital’s AlphaStation 200 4/100 computers. The 2 MByte DRAM accelerator supports a
range of resolutions and flicker-free refresh rates up to 80 Hz. Resolution and refresh rate
combinations vary depending upon operating system. Please refer to specific sections
below for additional details.
3.0
Specifications
Below is a list of general specifications relative to the mach64 graphics accelerator.
System requirements: AlphaStation 200 4/100
Monitors supported: VRC15, VRT17, VRC21, or hi-res RGB multi-sync
Display memory: 2 MByte DRAM
I/O addresses used: 102, 1CE, 1CF, 2E8, 2EC-2EF, 3D4, 3D5, 3D8-3DB,
3C0-3CA, 3CC, 3CE-3CF, 3DC, and all aliases; 46E8
Video output connector: 15-pin D shell (female)
VGA feature connector: 26-pin header, VGA output only, VESA std.
Sync signals: separate horizontal and vertical sync at TTL levels
Power: +5V ±5%, @ 1.3A typical
Ambient temperature: 50 to 122 deg. F (10 to 50 deg. C) in operation
32 to 162 deg. F (0 to 70 deg. C) in storage