eMachines EL1852 eMachines EL1852 Service Guide - Page 77

Connecting Optional Devices, SATA1~2: Serial ATA connectors, F_AUDIO1: Front Panel Audio header

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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 Pin Signal Name 1 Ground 2 TX+ 3 TX- 4 Ground 5 RX- 6 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 Pin Signal Name 2 AUD_GND 4 PRESENCE# 6 SENSE1_RETURN 8 KEY 10 SENSE2_RETURN EL1852 Service Guide 69

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EL1852 Service Guide
69
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.
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
Pin
Signal Name
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
Pin
Signal Name
Pin
Signal Name
1
PORT 1L
2
AUD_GND
3
PORT 1R
4
PRESENCE#
5
PORT 2R
6
SENSE1_RETURN
7
SENSE_SEND
8
KEY
9
PORT 2L
10
SENSE2_RETURN