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Mitsubishi Electric PH440 User Manual: Video; Vga Controller

Pentium ii processor-based nlx profile motherboard.
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P H 4 4 0 N L X M o t h e r b o a r d U s e r G u i d e

VIDEO

VGA Controller

The VGA controller is an ATI Rage Pro or ATI Rage IIC device packaged in a 256 ball BGA.
Video memory is via 2 SGRAM devices mounted on the motherboard (to give 2MB or 4MB)
and an SODIMM connector that accepts SGRAM modules (2MB or 4MB extra). The VGA
controller can be disabled via a motherboard jumper. It also provides an I
video features. The VGA controller has the following features.
AGP compliant to 133MHz (66MHz option).
230MHz integrated RAMDAC.
100MHz 64-bit SGRAM video memory (800MBps).
DDC1, DDC2B, DPMS and Energy Star.
2D acceleration.
3D acceleration with triangle setup engine and texture cache (Rage Pro only).
Motion video acceleration with MPEG2 assist.
Multimedia channel for upgrades (AMC connector).
The allowable memory upgrade paths are shown in the table below. The entries are the total
memory capacity available by fitting 2MB or 4MB modules.
Motherboard
1
Memory
0MB
2MB
4MB
The amount of video memory fitted to the motherboard is automatically detected by the BIOS.
Video memory upgrade modules do not require an SPD ROM.
1
2MB builds are based on 8Mb devices. 4MB builds use 16Mb devices.
2
4MB modules must be based on 16Mb devices.
MITSUBISHI ELECTRIC MOTHERBOARD DIVISION
2MB SODIMM
2MB
4MB
S e p t e m b e r 1 9 9 8
2
C bus to access other
2
4MB SODIMM
4MB
8MB
PAGE 21 OF 51

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