Intel Thin Mini-ITX - Internal Stereo Speakers Header

Thin Mini-ITX Internal Electrical Interfaces
22 Thin Mini-ITX Based PC System Design Guide
Pin
Signal Name
Description
2
GND
Ground
3
PORT 1R
Analog Port 1 - Right channel (Microphone)
4
PRESENCE#
Active low signal that signals BIOS that an Intel® HD Audio dongle
is connected to the analog header. PRESENCE# = 0 when an
Intel® HD Audio dongle is connected.
5
PORT 2R
Analog Port 2 - Right channel (Headphone)
6
SENSE1 RETURN
Jack detection return for front panel (JACK1)
7
SENSE SEND
Jack detection sense line from the Intel® HD Audio CODEC jack
detection resistor network
8
KEY
No pin
9
PORT 2L
Analog Port 2 - Left channel (Headphone)
10
SENSE2 RETURN
Jack detection return for front panel (JACK2)
2.3.2 Internal Stereo Speakers
The R/L (4 ohm) speakers must support 3W and be connected to a R/L audio header
on the motherboard. If subwoofer support is required, then the low pass filtering and
amplification would be with the amp speaker.
Internal stereo speakers header: 1x4, 2.00mm pitch (part number reference: JS*-
1125-04, or equivalent)
Mating plug reference part number: JWT* A2001H02-4P, or equivalent
Figure 2-6. Internal Stereo Speakers Header