Specifications
Escala Tower PL & S, E, T System Hardware
Chapter 4: Graphics Subsystems 8/16
9es3s1c4.doc
Rev 5.9
02/12/2003
2.5. PCI High Resolution Graphics Adapter - 4MB WRAM
(GTFG039-0100)
Discontinued: 30/11/1999.
The PCI high resolution graphics adapter with 4MB WRAM provides:
•
High Performance
•
Multiple screen
•
Up to 16.7 million colors.
This adapter is only supported on the Escala E and T Series.
It is supported on the Escala E230, E250, T430 and T450 when upgrading from the E604e/E620 or
T604e/T620.
2.5.1. Features without Extension Memory
General Hardware Features:
Bus 32-bit PCI
Memory 4 MB WRAM
Maximum Non-Interlaced Resolution
1600x1200
Maximum Colors Color depth 8 bits/pixel: 256
Color depth 16bits/pixel: 64K
Color depth 24 bits/pixel: 16.7 million
Refresh rate up to 200 Hz
Monitor connector 15-pin
Other Hardware Features:
Color Map 1
WRAM Features Dual ported memory type
20 nanosecond page mode cycle time (50% faster
than the fastest VRAM)
2 Color block write mode.
Hardware 2D acceleration lines, rectangles, bit block transfert
Hardware 3D acceleration Hardware True Color Gouraud shading
16-bit Z-buffer in off-screen WRAM
Hardware double buffering in WRAM
Color dithering in 8 and 16 bit per pixel modes
Complex bit-block transfert with Z
Compatibilility Features Integrated 32-bit VGA core VESA compatible
VESA DPMS compliant Saves power
Green PC support
VESA DDC-1, -2 compliant
Resolution Pixel format and refresh rates (hardware) Color depth and refresh rates (with AIX)
640x480 8, 16, 24, 32 (up to 200 Hz) 8, 16, 24 (60 Hz)
800x600 8, 16, 24, 32 (up to 200 Hz)
1024x768 8, 16, 24, 32 (up to 130 Hz) 8, 16, 24 (60, 70, 75 Hz)
1152x882 8, 16, 24, 32 (up to 110 Hz)
1280x1024 8, 16, 24 (up to 100 Hz) 8, 16 (60, 71, 75 Hz)
1600x1200 8, 16 (up to 78 Hz) 8, 16 (60Hz)