I/O Address Map

 

 

Address (Hex)

I/O Device Name

 

 

0070, bit 7

PIIX4 - enable NMI

0070, bits 6 through 0

PIIX4 - real time clock, address

0071

PIIX4 - real time clock, data

0078-0079

Reserved - board configuration

0080-008F

PIIX4 - DMA page registers

00A0-00A1

PIIX4 - interrupt controller 2

00B2-00B3

APM control

00C0-00DE

PIIX4 - DMA controller 2

00F0

Reset numeric error (numeric data processor)

0170-0177

Secondary IDE channel

01F0-01F7

Primary IDE channel

0200-0207

Audio/game port

0220-022F

Audio (Sound Blaster compatible)

0240-024F

Audio (Sound Blaster compatible)/alternate

0278-027F

Parallel port 2

0290-0297

Hardware monitor

02E8-02EF

COM4/video (8514A)

02F8-02FF

COM2

0300-0301

MPU-401 (MIDI)/alternate

0330-0331

MPU-401 (MIDI)/alternate

0332-0333

MPU-401 (MIDI)/alternate

0334-0335

MPU-401 (MIDI)/alternate

0376

Secondary IDE channel command port

0377

Floppy channel 2 command

0377, bit 7

Floppy disk change, channel 2

0377, bits 6 through 0

Secondary IDE channel status port

0378-037F

Parallel port 1

0388-038D

AdLIB (FM synthesizer)

03B4-03B5

Video (VGA)

03BA

Video (VGA)

03BC-03BF

Parallel port 3

03C0-03CA

Video (VGA)

03CC

Video (VGA)

 

 

System Board 4-19

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Image 100
NEC VT 300i manual COM2

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.