HP Vectra VE 4/xx HP Vectra VE 4/xxX PC Series - Technical Reference Guide - Page 19

Video Graphics Accelerator Chip The video graphics accelerator is an S3 Incorporated Trio64© chip which combines a 24-bit RAMDAC, dual programmable clock generators and a high-performance accelerator core in a single device. The chip also has the following features: Advanced Architecture • 64-bit graphics engine • 1 MB of Fast-Page Mode DRAMs (upgradeable to 2 MB) • 24-bit on-chip RAMDAC • 135 Mhz output pixel data rate • Hardware full acceleration of graphics functions (BitBLT, 2-point line draws, polygon fills, clipping) Multimedia Support • VESA feature connector Green PC • Hardware and BIOS support for VESA display power management signalling (DPMS) Display 'Plug and Play' Support • Hardware and BIOS support for DDC 1 monitor communications Wide Range of Video Resolutions For additional information, see "Video Resolutions". Full Software Support Drivers for all major operating systems including: • Windows 3.11 • Windows NT 3.5 • Windows 95 • OS/2 Warp 3.0 • OS/2 2.11 For additional information on video resolutions and operating modes, see Chapter 3, "Integrated Ultra VGA Controller". Vectra 4E/xx Technical Reference 1 System Overview • 19