Toshiba Satellite P20-25 Series Maintenance Manual page 20

1 Hardware Overview
Memory
• System DRAM
• Two JEDEC standard 200-pins SO-DIMM memory support +2.5V
64/128/256MB/512MB.
• System & KB Combine ROM BIOS
• 512KB Flash ROM
Video Subsystem
• nVIDIA NV34M Graphics Controller)
• Microsoft-DX9 & OpenGL-2.0 (with NVIDIA extensions) Graphics APIs
hardware support
• 50 million triangles per second setup engine
• 1000 million pixels per second fill rate
• 256-bit 3D and 2D graphics accelerator, with full 32/64/128-bit color with 32-
bit z/stencil (24+8 bit) support
• Complete pipeline support for 128-bit color for ultimate rendering quality
• NVIDIA Accuview+ anti-aliasing technology for full Quincunx AA
capability –even for high-resolution UXGA panels
• Raw Peak memory bandwidth of 8.0 GB/second
• Supports 128-bit DDR SDRAM, driven by a twin memory channel architecture,
for maximizing memory bandwidth utilization to enhance rendering
performance while minimizing power-consumption as well.
• DirectX and S3TC texture compression support
• AGP8x (with Fast Writes & Side-band-Signaling support) - for enhanced host
interface bandwidth up-to 2.1Gbytes/second; with AGP4x, 2x support as well
• Enhanced nView+ multi-display technology supporting any combination of
notebook LCD, desktop VGA monitor, DVI display or TV set; with new user
& applications control & interface support capabilities
• Dual CRTC/Simultaneous Dual Display (same or different surfaces)
• Integrated dual LVDS Transmitter supporting LCD panels up to 2048x1536
@60Hz
• Integrated 400 MHz Palette-DAC for analog VGA monitors up to 2048x1536
@85Hz refresh
• Integrated NTSC/PAL TV encoder supporting resolutions up to 1024x768
without the need for panning, with built-in Macrovision(7.1.L1) copy-
protection
• Integrated TMDS transmitter for Digital Visual Interface support with scaling
and filtering for flat panels up to 1600x1200 @60Hz
• DVD- and HDTV-ready MPEG-2 decoding up to 1920x1080i resolutions
• Most comprehensive MPEG-2 hardware decode functionality, including
Inverse Quantization,
Inverse Discrete Cosine Transform, Motion Compensation and Color-Space-
Conversion
• VIP1.1 interface support for Analog Video In/Out functionality
1-6 Satellite P20-25 Series Maintenance Manual
1.2 System Unit