ECS A740GM-M Manual Do Utilizador
22
Installing the Motherboard
LPT: Onboard parallel port header
This is a header that can ba used to connect to the printer, scanner or other devices.
1
STROBE
14 ALF
2
PD0
3
PD1
4
PD2
5
PD3
15 ERROR
16 INIT
16 INIT
17 SLCTIN
18 Ground
Pin Signal Name
Pin Signal Name
6
PD4
19 Ground
7 PD5
20 Ground
8 PD6
9 PD7
10 ACK
11 BUSK
12 PE
13 SLCT
21 Ground
22 Ground
23 Ground
24 Ground
23 Ground
24 Ground
25 Ground
26 Key
F_AUDIO: Front Panel Audio header
This header allows the user to install auxiliary front-oriented microphone and line-
out ports for easier access.
out ports for easier access.
SATA1~6: Serial ATA connectors
These connectors are used to support the new Serial ATA devices for the highest data
transfer 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.
transfer 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.
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
-
-
Pin
Signal Name
Pin
Signal Name
Pin
Signal Name
Function
1
PORT 1L
2
AUD_GND
3
PORT 1R
4
PRESENCE#
5
PORT 2R
6
SENSE1_RETURN
7
SENSE_SEND
8
KEY
Pin
Signal Name
9
PORT 2L
10
SENSE2_RETURN
Pin
Signal Name