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3 Interface Devices and Mass-Storage Drives
Cirrus 5465 Graphics Controller Chip
Cirrus 5465 Graphics Controller Chip
The HP Kayak XA PC Workstation Desktop and Minitower models are
supplied with a Cirrus 5465
graphics controller chip integrated on the
system board (refer to the architectural view on page 29
for its location).
This chip integrates the necessary hardware for a flexible multimedia
display system. Including an integrated palette DAC, clock generators,
Enhanced V-Port bus for easy expandability, glueless AGP/PCI host
interface, glueless Rambus channels, and a 64-bit graphics engine featuring
GUI acceleration hardware (such as BitBLT, color expansion, 3D engine, and
hardware cursor).
The Cirrus 5465 Graphics Controller Chip also offers advanced features
such as BitBLT and line accleration, a general-purpose I/O port for
expansion, front-end and back-end video playback scaling, and color-space
conversion for video applications.
The Cirrus 5465 Graphics Controller Chip uses one of two Rambus channels
providing 500 to 600 Mbytes/second of memory bandwidth, displaying true-
color images of up to 1024 x 768 resolution, and 256-color modes that can
reach a maximum of 1600 x 1200 resolution.
The Cirrus Logic AGP 5465, can be characterized as follows:
• 100% hardware- and BIOS-compatible with IBM
®
VGA display standard.
• 64-bit video memory access with 2 MB, 50 ns, EDO, video DRAM (this is
not upgradeable since it is already fitted to capacity).
• 24-bit pixel bus (video playback width).
• 24-bit fractional component of texel addressing.
• 4- and 8-bit indexed texture source to 16- and 24-bpp display modes.
• Acceleration for playback, continuous interpolation on X, continuous
interpolation on Y.
• Chroma keying for substitution of graphics on video.
• Color expansion for 8-, 16-, 24-, and 32-bpp modes.
• Color keying for substitution of video on graphics.
• Color key support.
• DDC 2B compliant.