ALC202 View Datasheet(PDF) - Realtek Semiconductor

Part Name

Description

Manufacturer

ALC202

TWO CHANNEL AC97 AUDIO CODEC

Realtek Semiconductor 

ALC202/ALC202A

6.3.4 MX7C VENDOR ID1

Default: 414Ch

The two registers (MX7C Vendor ID1 and MX7E Vendor ID2) contain four 8-bit ID codes. The first three codes have been

assigned by Microsoft for Plug and Play definitions. The fourth code is a Realtek assigned code identifying the ALC202. The

MX7C Vendor ID1 register contains the value 414Ch, which is the first and second characters of the Microsoft ID code. The

MX7C Vendor ID2 register contains the value 4740h, which is the third of the Microsoft ID code.

Bit Type

15:0

R Vendor ID “AL”

Function

6.3.5 MX7E VENDOR ID2

Default: 4740h

Bit Type

Function

15:8

R Vendor ID “G”

7:4

R Chip ID 0100 (ALC202)

3:0

R Version Number: 00: Version A.

Due to WHQL issues, the version number is always 0.

2002/07/30

24

Rev.1.28

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