Product Matrix
Items Description Chipset Amplifier RCA Connector Front Panel
KEDB-1000 HD Audio Daughter Board ALC888 No No Yes
KEDB-1001 AC97 Audio Daughter Board ALC850 No No No
KEDB-1002 HD Audio Daughter Board ALC888 Yes (2W) Yes Yes
KEDB-1003 AC97 Audio Daughter Board ALC850 Yes (2W) Yes No
Jumpter Setting
JP3 Power Selection for HDA Bus
Jumper Status
1-2 +3.3V (default)
2-3 +1.5V
*If this audio daughter board is used with KEEX-4030, the jumper 2-3 should be shorted.*
Internal Connector Pin Assignment
CN1 Front Panel Audio Pin Header
Pin Signal Name Pin Signal Name
1 MIC2-L 2 Audio GND
3 MIC2-R 4 ACZ_DET#
5 Line2-R 6 MIC2_JD
7 FIO_Sense 8 Key
9 Line2-L 10 Line2_JD
CN2 HD / AC’97 Interface Box Header
Pin Signal Name Pin Signal Name
1 RST# 2 SYNC
3 GND 4 SDOUT
5 SDIN 6 GND
7 GND 8 BCLK
9 +5V 10 +3.3V
- 2 -
KEDB-1
000 Series Quick Installation Guide V2.00 – P/N:0D2KEDB100020000
- 3 -
KEDB-1
000 Series Quick Installation Guide V2.00 – P/N:0D2KEDB100020000
CN3 CD-In Connector
Pin Signal Name
1 CD-IN-R
2 GND
3 GND
4 CD-IN-L
JP1 SPD/IF Input Pin Header
Pin Signal Name
1 SPD/IF Input
2 GND
JP2 SPD/IF Output Pin Header
Pin Signal Name
1 SPD/IF Input
2 GND
Rear Panel Connector List
Label Function Label Function
CN4 Right Channel Speaker Output RCA Connector J3 CEN/LFE Output Audio Jack
CN5 Left Channel Speaker Output RCA Connector J4 Side Surround Output Audio Jack
J1 Back Surround Output Audio Jack J5 Line-In Audio Jack
J2 MIC-In Audio Jack J6 Line-Out Audio Jack
Customer Service
Quanmax Inc.
5F, No. 415, Ti-Ding Blvd. Sec. 2 NeiHu District, Taipei 114, Taiwan
Tel:+886-2-2799-2789 Fax:+886-2-2799-7399 Website:
www.quanmax.com