16
Intel H81-MATX series Motherboard
Speaker Header-SPK1
Serial-ATA (SATA) Connectors (SATA1~4)
The Serial ATA connector is used to connect the Serial ATA device to the motherboard. These
connectors support the thin Serial ATA cables for primary storage devices. The motherboard
incorporates two SATA 3.0 ports (SATA1~2) with maximum tranansfer rate up to 6.0 Gb/s each
and two SATA 2.0 ports (SATA3~4) with maximum tranansfer rate up to 3.0 Gb/s each.
SPK1-Pin Denition
PIN Assignment
1 VCC
2 NC
3 NC
4 SPK-
SATA-Pin Denition
Pin Signal
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
Fan Connectors
There are two fan connectors on the motherboard, including system fan connector-SYSFAN1
and CPU fan connector-CPUFAN1.
LPT Header-CN7
1 STROBE
2 ALF*
3 PD0
4 ERR*
5 PD1
6 INIT*
7 PD2
8 SCLTIN*
9 PD3
10 GND
11 PD4
12 GND
13 PD5
14 GND
15 PD6
16 GND
17 PD7
18 GND
19 ACK*
20 GND
21 BUSY
22 GND
23 PE
24 GND
25 SLCT
26 NC
LPT - Pin Denition
SPK1
1
120
240
121
120
240
121
1.5V
1.5V
115XLM
LGA1156
REMOVE
LOTES
CPUFAN1
SYSFAN1
GND
+12V
Sense
Control
SATA3 SATA4
SATA1 SATA2
GND
+12V
Sense
Control
CN7