DVD-ROM Interface

Item

 

 

 

Specification

 

 

 

 

 

 

 

 

Transfer rate (KB/sec)

Sustained:

 

Sustained:

 

 

Max 3.6Mbytes/sec

 

Max 10.8Mbytes/sec

 

 

 

 

 

 

 

 

Data Buffer Capacity

2MBytes

 

 

 

 

 

 

 

 

 

 

Interface

IDE/ATAPI

 

 

 

 

 

 

 

 

Applicable disc format

DVD: DVD-Video, DVD-ROM, DVD-R (3.9GB, 4.7GB)

 

 

CD: CD-DA, CD-ROM, CD-RW, CD-R, CD-ROM XA, (except ADPCM) CD-I

 

 

Ready, PhotoCD (muiltiSession) Video CD, Cd-Extra (CD+), CD-text

 

 

 

 

 

 

 

 

Loading mechanism

Load: Manual

 

 

 

 

Release: (a) Electrical Release (Release Button)

 

 

 

(b) Release by ATAPI command

 

 

 

(c) Emergency Release

 

 

 

 

 

 

 

 

 

 

Power Requirement

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Voltage

+5 V +/- 0.25V

 

 

 

 

 

 

 

 

 

 

Audio Interface

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

 

 

Specification

 

 

 

 

Audio Controller

 

Realtek ALC202 AC97 Codec

 

 

 

 

 

 

 

Audio onboard or optional

 

Built-in

 

 

 

 

 

 

 

 

 

 

Mono or Stereo

 

Stereo

 

 

 

 

 

 

 

Resolution

 

20 bit stereo Digital to analog converter

 

 

18 bit stereo Analog to Ditial converter

 

 

 

 

Compatibility

 

Microsoft PC98/PC99, AC97 2.2 & WHQL

 

 

 

 

 

 

 

Mixed sound source

 

Line-in, CD

 

 

 

 

 

 

 

 

 

 

Sampling rate

 

48 KHz

 

 

 

 

 

 

 

 

 

 

Internal microphone

 

Yes

 

 

 

 

 

 

 

 

 

 

Internal speaker / Quantity

 

Yes/2

 

 

 

 

 

 

 

 

 

 

Supports PnP DMA channel

 

DMA channel 00

 

 

 

 

 

 

 

Supports PnP IRQ

 

IRQ3, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11

 

 

 

 

 

 

 

Video Interface

 

 

 

 

 

 

 

 

 

 

 

 

 

Item

 

 

 

 

Specification

 

 

 

 

 

 

 

Chip vendor

 

 

ATI

 

 

 

 

 

 

 

 

 

 

Chip name

 

 

ATI M7-C

 

 

 

 

 

 

 

 

 

 

Chip voltage

 

 

Core/1.25V

 

 

 

 

 

 

 

 

 

 

Supports ZV (Zoomed Video) port

 

 

No

 

 

 

 

 

 

 

 

 

 

Video Resolutions Mode (for both LCD and CRT)

Resolution

16 bits

 

32 bits

 

(High color)

 

(True color)

 

 

 

 

 

 

 

 

 

1024x768

Yes

Yes

 

 

 

 

 

 

1400x1050 (SXGA)

Yes

Yes

 

 

 

 

 

 

1600x1200 (UXGA)

Yes

Yes

 

 

 

 

 

 

1280x1024 (Monitor)

Yes

Yes

 

 

 

 

 

 

Parallel Port

 

 

 

 

 

 

 

 

 

Item

 

 

 

Specification

 

 

 

 

Parallel port controller

 

 

SMSC LPC47N227

 

 

 

 

 

Number of parallel port

 

 

1

 

 

 

 

 

Location

 

 

Rear side

 

 

 

 

 

Chapter 1

27

Page 35
Image 35
Acer 420 manual Audio Interface, Video Interface, Video Resolutions Mode for both LCD and CRT, Parallel Port