Intel S875WP1 Product Guide - Page 16

AGP Connector, ATA Rage XL Video Controller, Video Modes - us

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AGP Connector AGP is a high-performance interface for graphics-intensive applications. AGP is independent of the PCI bus and is intended for exclusive use with graphical display devices. The AGP bus follows the AGP 3.0 specification. The AGP connector on the server board S875WP1-E supports the following: • 2X, 4X, or 8X AGP protocol • 1.5 V add-in cards only • Maximum bus bandwidth of 2.13 GB/sec ✏ NOTE The AGP connector is keyed for 1.5 V AGP cards only. Do not attempt to install a legacy 3.3 V AGP card. The AGP connector is not mechanically compatible with legacy 3.3 V AGP cards. ATA Rage XL Video Controller The S875WP1-E server board provides an ATI Rage XL PCI graphics accelerator, along with 8 MB of video SDRAM and support circuitry for an embedded SVGA video subsystem. The ATI Rage XL chip contains a SVGA video controller, clock generator, 2D and 3D engine, and RAMDAC in a 272-pin PBGA. One 2Mx32 SDRAM chip provides 8 MB of video memory. The SVGA subsystem supports a variety of modes, up to 1600 x 1200 resolution in 8/16/24/32 bpp modes under 2D, and up to 1024 x 768 resolution in 8/16/24/32 bpp modes under 3D. It also supports both CRT and LCD monitors up to 100 Hz vertical refresh rate. The server board S875WP1-E provides a standard 15-pin VGA connector and supports disabling of the on-board video through the BIOS Setup menu or when a plug-in video card is installed in the AGP slot or any of the PCI slots. Video Modes The Rage XL chip supports all standard IBM* VGA modes. The following table shows the 2D/3D modes supported for both CRT and LCD. The table specifies the minimum memory requirement for various display resolution, refresh rates, and color depths. Table 3. Video Modes 2D Mode 640x480 800x600 1024x768 1280x1024 1280x1024 Refresh Rate (Hz) 60, 72, 75, 90, 100 60, 70, 75, 90, 100 60, 72, 75, 90, 100 43, 60 70, 72 S875WP1-E 2D Video Mode Support 8 bpp 16 bpp 24 bpp Supported Supported Supported Supported Supported Supported Supported Supported Supported Supported Supported Supported Supported - Supported 32 bpp Supported Supported Supported Supported Supported continued 16 Intel Server Board S875WP1-E Product Guide

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16
Intel Server Board S875WP1-E Product Guide
AGP Connector
AGP is a high-performance interface for graphics-intensive applications.
AGP is independent of
the PCI bus and is intended for exclusive use with graphical display devices.
The AGP bus follows
the AGP 3.0 specification.
The AGP connector on the server board S875WP1-E supports the following:
•
2X, 4X, or 8X AGP protocol
•
1.5 V add-in cards only
•
Maximum bus bandwidth of 2.13 GB/sec
NOTE
The AGP connector is keyed for 1.5 V AGP cards only.
Do not attempt to
install a legacy 3.3 V AGP card.
The AGP connector is not mechanically
compatible with legacy 3.3 V AGP cards.
ATA Rage XL Video Controller
The S875WP1-E server board provides an ATI Rage XL PCI graphics accelerator, along with
8 MB of video SDRAM and support circuitry for an embedded SVGA video subsystem.
The ATI
Rage XL chip contains a SVGA video controller, clock generator, 2D and 3D engine, and
RAMDAC in a 272-pin PBGA.
One 2Mx32 SDRAM chip provides 8 MB of video memory.
The SVGA subsystem supports a variety of modes, up to 1600 x 1200 resolution in 8/16/24/32 bpp
modes under 2D, and up to 1024 x 768 resolution in 8/16/24/32 bpp modes under 3D.
It also
supports both CRT and LCD monitors up to 100 Hz vertical refresh rate.
The server board S875WP1-E provides a standard 15-pin VGA connector and supports disabling of
the on-board video through the BIOS Setup menu or when a plug-in video card is installed in the
AGP slot or any of the PCI slots.
Video Modes
The Rage XL chip supports all standard IBM* VGA modes.
The following table shows the 2D/3D
modes supported for both CRT and LCD.
The table specifies the minimum memory requirement
for various display resolution, refresh rates, and color depths.
Table 3.
Video Modes
S875WP1-E 2D Video Mode Support
2D Mode
Refresh Rate (Hz)
8 bpp
16 bpp
24 bpp
32 bpp
640x480
60, 72, 75, 90, 100
Supported
Supported
Supported
Supported
800x600
60, 70, 75, 90, 100
Supported
Supported
Supported
Supported
1024x768
60, 72, 75, 90, 100
Supported
Supported
Supported
Supported
1280x1024
43, 60
Supported
Supported
Supported
Supported
1280x1024
70, 72
Supported
–
Supported
Supported
continued