Biostar H55A Setup Manual - Page 12
SATA1~SATA6: Serial ATA Connectors, ATXPWR1: ATX Power Source Connector - + atx
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Motherboard Manual 2.4 CONNECTORS AND SLOTS SATA1~SATA6: Serial ATA Connectors The motherboard has a PCI to SATA Controller with 6channels SATA interface, it satisfies the SATA 2.0 spec and with transfer rate of 3Gb/s. SATA2 SATA1 SATA4 SATA3 SATA6 SATA5 Pin Assignment 1 Ground 2 TX+ 3 TX4 Ground 5 RX6 RX+ 7 Ground 14 7 ATXPWR1: ATX Power Source Connector This connector is for 24-pin power connector on the ATX power supply. 12 24 1 13 Pin Assignment 13 +3.3V 14 -12V 15 Ground 16 PS_ON 17 Ground 18 Ground 19 Ground 20 NC 21 +5V 22 +5V 23 +5V 24 Ground Pin Assignment 1 +3.3V 2 +3.3V 3 Ground 4 +5V 5 Ground 6 +5V 7 Ground 8 PW_OK 9 Standby Voltage+5V 10 +12V 11 +12V 12 +3.3V 10
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Motherboard Manual
10
2.4
C
ONNECTORS AND
S
LOTS
SATA1~SATA6: Serial ATA Connectors
The motherboard has a PCI to SATA Controller with 6channels SATA interface, it
satisfies the SATA 2.0 spec and with transfer rate of 3Gb/s.
Pin
Assignment
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
4
1
SATA1
SATA3
5
SATA
SATA2
SATA4
6
SATA
7
Ground
ATXPWR1: ATX Power Source Connector
This connector is for 24-pin power connector on the ATX power supply.
1
12
13
24
Pin
Assignment
Pin
Assignment
13
+3.3V
1
+3.3V
14
-12V
2
+3.3V
15
Ground
3
Ground
16
PS_ON
4
+5V
17
Ground
5
Ground
18
Ground
6
+5V
19
Ground
7
Ground
20
NC
8
PW_OK
21
+5V
9
Standby Voltage+5V
22
+5V
10
+12V
23
+5V
11
+12V
24
Ground
12
+3.3V