Acer Aspire T180 - AUDIO1: Front Panel Audio Header; IRDA: Infrared header; SPDIFO1: SPDIF out header; SATA1~4: Serial ATA connectors

77 Chapter 5
AUDIO1: Front Panel Audio Header
IRDA: Infrared header
SPDIFO1 : SPDIF out header
SATA1~4: Serial ATA connectors
1394A2: Onboard IEEE 1394a header
Pin Signal Name Function
1PORT 1L
2 AUD_GND Ground used by analog
audio circuits
3PORT 1R
4 PRESENCE#
5PORT 2R
6 SENSE1_RETURN
7 SENSE_SEND
8 KEY No pin
9PORT 2L
10 SENSE2_RETURN
Pin Signal Name
1VCC
2No Pin
3IRRX
4 Ground
5IRTX
Pin Signal Name Function
1 SPDIF SPDIF digital output
2 +5VA 5V analog Power
3 Key No pin
4 GND Ground
Pin Signal Name Pin Signal Name
1 Ground 5 RX-
2TX+ 6RX+
3 TX- 7 Ground
4 Ground
Pin Signal Name Pin Signal Name
1TPA+ 6TPB-
2 TPA- 7 Cable-Power
3 GND 8 Cable-Power
4 GND 9 Key pin
5TPB+ 10GND