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POC-195 User Manual 16
Chapter 3 Graphic Chipset Setup
3.1 Introduction
The POC-195 has an onboard VGA interface. The specifications and fea-
tures are described as follows:
3.1.1 Chipset
The POC-195 uses the Mobile Intel 915GM Express chipset for its
graphic controller. It supports SDVO devices and CRT monitors. The
Mobile Intel 915GM Express chipset is a component of Intel Centrino
mobile technology. Featuring the Intel Graphics Media Accelerator 900,
the 915GM chipset enables twice the graphics performance of previous
generation platforms based on the Intel 855GME chipset.
3.1.2 Display memory
The maximum display memory (1 MB or 8 MB) depends on total system
memory.
3.1.3 LVDS transmitter
The POC-195 uses Chrontel CH7308A for driving its LCD panel. The
CH7308A is a display controller device, which accepts digital graphics
input signals, upscales, encodes, and transmits data through an LVDS
transmitter to a LCD panel. The CH7308A operates at pixel rates of up to
140MHz, and support 18-bit/24-bit LCD panels.
3.1.4 Display types
CRT and panel displays can be used simultaneously. The POC-195 can
be set in one of three configurations: CRT only, LVDS only, both CRT
and LFP (LVDS). The system is initially set to simultaneous display
mode - CRT and LFP (BIOS default setting).
Analog CRT DAC interface supports max DAC frequency up to 400
MHz, 24-bit RAMDAC, DDC2B compliant, and resolution up to 2048 x
1536.