Connecting Optional Devices - Acer Aspire X1920 Service Manual

Connecting Optional Devices

Refer to the following for information on connecting the main board's optional devices:
SATA1~2: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest datatransfer rates 
(3.0 Gb/s), simpler disk drive cabling and easier PC assembly. It elimi-nates limitations of the current Parallel
ATA interface. But maintains register com-patibility and software compatibility with Parallel ATA.
Pin Signal Name
1 Ground
3 TX-
5 RX-
7 Ground
F_AUDIO1: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-out ports for easier access.
Pin Signal Name
1 PORT 1L
3 PORT 1R
5 PORT 2R
7 SENSE_SEND
9 PORT 2L
Aspire AX1920 Service Guide
Pin Signal Name
2 TX+
4 Ground
6 RX+
Pin Signal Name
2 AUD_GND
4 PRESENCE#
6 SENSE1_RETURN
8 KEY
10 SENSE2_RETURN
73