English 2.9 onboard headers and connectors, Asrock a75m motherboard, Serial ata3 connectors these five serial ata3 – ASRock A75M User Manual
Page 23: Sata3) connectors support, Sata data cables for internal, Storage devices. the current, Sata3 interface allows up to, Port cable that allows, Convenient connection of printer devices, Usb 2.0 headers besides two default usb 2.0

23
ASRock A75M Motherboard
English
2.9 Onboard Headers and Connectors
Onboard headers and connectors are NOT jumpers. Do NOT place
jumper caps over these headers and connectors. Placing jumper caps
over the headers and connectors will cause permanent damage of the
motherboard!
Serial ATA3 Connectors
These five Serial ATA3
(SATA_1: see p.2, No. 10)
(SATA3) connectors support
(SATA_2: see p.2, No. 11)
SATA data cables for internal
(SATA_3: see p.2, No. 9)
storage devices. The current
(SATA_4: see p.2, No. 12)
SATA3 interface allows up to
(SATA_5: see p.2, No. 8)
6.0 Gb/s data transfer rate.
Serial ATA (SATA)
Either end of the SATA data
Data Cable
cable can be connected to the
(Optional)
SATA3 hard disk or the SATA3
connector on this motherboard.
Print Port Header
This is an interface for print
(25-pin LPT1)
port cable that allows
(see p.2 No. 16)
convenient connection of printer
devices.
1
AFD#
ERROR#
PINIT#
GND
SLIN#
STB#
SPD0
SPD1
SPD2
SPD3
SPD4
SPD5
SPD6
SPD7
ACK#
BUSY
PE
SLCT
1
USB_PWR
P-8
GND
DUMMY
USB_PWR
P+8
GND
P-9
P+9
1
USB_PWR
P-10
GND
DUMMY
USB_PWR
P+10
GND
P-11
P+11
USB 2.0 Headers
Besides two default USB 2.0
(9-pin USB6_7)
ports on the I/O panel, there
(see p.2 No. 23)
are three USB 2.0 headers on
this motherboard. Each USB 2.0
header can support two USB
2.0 ports.
(9-pin USB8_9)
(see p.2 No. 22)
(9-pin USB10_11)
(see p.2 No. 20)
SA
TA_1 SA
TA_3 SA
TA_5
SA
TA_2 SA
TA_4