HP Workstation x2000 ATI Fire GL 8800 graphics card user guide - Page 50

Functional, H/V Sync output - bios

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46 Reference Functional System Bus System Windows® NT 4.0, Windows® 2000, Windows® XP AGP 2x or AGP 4x/2x Graphic controller RADEONTM 8800 GPU Video memory Fire GL 8800 /64 MB: 64 MB SDRAM Fire GL 8800 /128 MB: 128 MB SDRAM BIOS 128 Kbyte BIOS FlashROM, reprogrammable by software, 3.3 V Digital/analog converter 30-bit Palette DAC DAC speed : 400 MHz Data width 256 bit - graphics core 128 bit - memory interface Connectors VGA output connector: 15-pin D-shell, female DVI-I output connector: analog and digital output, female H/V Sync output Separate horizontal and vertical sync at TTL signals levels Fire GL 8800 card addresses The Fire GL 8800 graphics accelerator is 100% IBM VGA compatible and occupies the same memory area and specific addresses in the I/O range. The memory range above 1 MB is automatically assigned through the PCI BIOS interface I/O addresses: 3B0 - 3DF (Standard VGA i/O) Video RAM: A000-BFFF Video ROM: C000-C7FF

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46
Reference
Functional
System
Windows® NT 4.0, Windows® 2000,
Windows® XP
Bus System
AGP 2x or AGP 4x/2x
Graphic
controller
RADEONTM 8800 GPU
Video memory
Fire GL 8800 /64 MB: 64 MB SDRAM
Fire GL 8800 /128 MB: 128 MB SDRAM
BIOS
128 Kbyte BIOS FlashROM, reprogrammable by
software, 3.3 V
Digital/analog
converter
30-bit Palette DAC
DAC speed : 400 MHz
Data width
256 bit – graphics core
128 bit – memory interface
Connectors
VGA output connector: 15-pin D-shell, female
DVI-I output connector: analog and digital output,
female
H/V Sync output
signals
Separate horizontal and vertical sync at TTL
levels
Fire GL 8800
card addresses
The Fire GL 8800 graphics accelerator is 100%
IBM VGA compatible and occupies the same
memory area and specific addresses in the I/O
range. The memory range above 1 MB is
automatically assigned through the PCI BIOS
interface
I/O addresses: 3B0 – 3DF (Standard VGA i/O)
Video RAM: A000-BFFF
Video ROM: C000-C7FF