ECS A780LM-M

16
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
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
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.
SATA1~4: 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.
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