The following table lists the major components on the system board.

System Board Components

 

 

Component

Function

 

 

Processor (mounted in a S.E.C.

Celeron

cartridge)

300-, 333-, 366-, 400-, or 433-MHz processor

 

Pentium II

 

350-, 400-, or 450-MHz processor

 

Pentium III

 

450- or 500-MHz processor

Intel 82440ZX AGPSet:

 

82443ZX AGP Host Bridge

Provides bus control signals, address paths, and data paths for

Controller (PAC)

transfers between the processor’s host bus, PCI bus, AGP

 

connector, and system memory. The PAC comes in a 492-pin

 

BGA package on the system board.

 

Features include processor interface control (32-bit addressing,

 

optimized for 100-MHz host bus frequency, supports 66 MHz

 

bus frequency), an integrated DRAM controller (synchronous

 

DRAM, 64/72-bit path-to-memory, auto detection of memory

 

type) and an AGP interface (compliant with AGP specification

 

with data transfer rates up to 133 MHz), fully synchronous

 

minimum latency PCI bus interface (compliant with PCI

 

specification with PCI-to-DRAM access greater than 100 MB

 

per second).

82371EB PCI ISA/IDE Xcelerator

Functions as a PCI to ISA bridge; PCI IDE functionality; a USB

(PIIX4)

controller; integrated dual channel enhanced IDE interface with

 

support for Ultra DMA/33; enhanced DMA controller; interrupt

 

controller based on 82C59, with support for 15 interrupts; power

 

management logic (sleep/resume and remote wake on LAN);

 

real-time clock with 256-byte, battery-backed CMOS static RAM

 

(SRAM); and 16-bit counters based on 82C54. The chip comes

 

in a 324-pin BGA package on the system board.

Winbond Multi Super I/O W83977TF

The controller provides the following features:

controller

Multimode parallel port

 

Centronics compatible (standard mode)

 

Enhanced capabilities port (ECP)

 

Enhanced parallel port (EPP)

 

Two RS-232C serial ports

 

Integrated 8042A keyboard controller

 

Supports industry-standard floppy controller

Creative® ES1371/ES1373 PCI chip

Provides audio on system board.

 

 

System Board 4-11

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NEC VT 300i manual System Board Components, Component Function
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VT 300i specifications

The NEC VT 300i is a versatile and compact LCD projector designed for educational environments and business presentations. With its impressive combination of features and user-friendly design, the VT 300i has made a mark as a reliable choice for professionals and educators alike.

One of the standout features of the VT 300i is its brightness. With a robust output of up to 3,000 ANSI lumens, the projector ensures that images are clear and vivid, even in well-lit rooms. This brightness level allows users to deliver impactful presentations without the concern of image washout due to ambient light conditions. Coupled with a high contrast ratio of 400:1, users can expect sharp, detailed images that enhance the overall viewing experience.

The VT 300i showcases advanced DLP projection technology, which is known for producing sharp images with excellent color accuracy. The inclusion of NEC’s proprietary Intelligent Auto Setup feature allows the projector to adjust to various input sources automatically, making setup quick and hassle-free. This ensures that even those who may not be tech-savvy can operate the device with ease.

Another notable characteristic is the VT 300i’s portability. Weighing in at a little over 5 pounds and featuring a compact design, the projector is easy to transport between different locations. This portability is further enhanced by its integrated carrying handle and durable casing, making it suitable for frequent travel.

The connectivity options of the VT 300i also cater to modern technology needs. It includes multiple input terminals, such as HDMI, VGA, and USB, enabling seamless integration with various devices like laptops, tablets, and other media players. Additionally, it supports both wired and wireless presentations, making it versatile for different presentation settings.

User-friendliness extends to the maintenance aspect as well. The VT 300i incorporates an easily accessible filter and lamp compartment, simplifying the process of replacements and ensuring minimal downtime. With a lamp life of up to 5,000 hours in eco mode, it offers longevity and cost-effectiveness.

In conclusion, the NEC VT 300i stands out with its combination of brightness, advanced projection technology, and user-friendly features. Whether in an educational setting or a business meeting, it offers reliability and quality, making it a popular choice for users seeking a competent and portable projector.
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