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Ide hdd interface, Floppy disk drive (fdd) interface, Serial ports – Global Upholstery Co. 2801330 User Manual

Page 19: Audio codec, 8 serial ports, 9 audio codec

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KINO-LX Motherboard

2.7.2 IDE HDD Interface

100 MB/second IDE Controller in UDMA mode per the ATA-6 specification

2.7.3 Floppy Disk Drive (FDD) Interface

5.25”: 360KB and 1.2MB

3.5”: 720KB, 1.44MB and 2.88MB

2.8 Serial Ports

16C550 UART with 16/32 byte selectable FIFO buffer

115.2Kbps transmission rate

2.9 Audio Codec

The PCB has an integrated REALTEK ALC203 CODEC. The ALC203 is a 20-bit DAC

and 18-bit ADC full-duplex AC'97 2.3 compatib

le stereo audio CODEC designed for PC

multimedia systems, including host/soft audio, and AMR/CNR based designs. ALC203

features are listed below.

Single chip with high S/N ratio (>100 dB)

Meets performance requirements for audio on PC2001 systems

Meets Microsoft WHQL/WLP 2.0 audio requirements

20-bit DAC and 18-bit ADC resolution

18-bit Stereo full-duplex CODEC with independent and variable sampling rate

Complies with AC'97 2.3 specifications

o

LINE/HP-OUT, MIC-IN and LINE-IN sensing

o

14.318MHz -> 24.576MHz PLL saves crystal