Video Subsystem - NCR 7454 Hardware User's Manual

Release 2.2
•
Intel 700 MHz Celeron Processor (BGA) on board, removing the
µPGA2 processor socket. Intel 440BX PC chipset same as in Release
2.0/2.1
•
100MHz system bus
•
64 MB memory with ability to add SODIMMS to increase the
memory capacity of the terminal

Video Subsystem

The Release 2.x Motherboard uses the Silicon Motion (SMI) (LynxEM4
or LynxEM4+), with 4MB internal memory, 64 Bit memory bus, AGP 1x
Support, 66MHz bus interface through AGP port, TFT panel support
up to 1280x1024.
The video subsystem supports the following LCD types:
•
12.1‐Inch active matrix (TFT) 800x600 with 64 k colors
•
15‐inch active matrix (TFT) 1024x768 with 262 k+ colors
Support for the LCD integrated display is provided internally. External
support for SVGA monitors (800x600) [or better] resolution and 64 K
[or better] colors) is provided by a CRT 15‐pin D‐shell connector.
The LCD brightness is software controlled. The terminal does not have
hardware controls for brightness or contrast.
The LCD back lighting is also software controlled. In addition to OFF
and ON modes, a dimmed mode is supported in the hardware to permit
increased tube life. If appropriate software drivers are loaded, full
brightness is restored when touched, motion detection (Motion Sensor
section), or an application request (i.e., to play promotional material on
a preset schedule).
Chapter 1: Product Overview 1-9