ASROCK Z77 Extreme6/TB4 Handbuch Seite 36

2.13 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 ATA2 Connectors
(SATA2_2_3: see p.2, No. 13)
(SATA2_4_5: see p.2, No. 14)
Serial ATA3 Connectors
(SATA3_A1_A2: see p.2, No. 11)
(SATA3_0_1: see p.2, No. 12)
Serial ATA (SATA)
Data Cable
(Optional)
USB 2.0 Headers
(9-pin USB2_3)
(see p.2, No. 25)
36
ASRock Z77 Extreme6/TB4 Motherboard
These four Serial ATA2 (SATA2)
connectors support SATA data
cables for internal storage
devices. The current SATA2
interface allows up to 3.0 Gb/s
data transfer rate.
These four Serial ATA3 (SATA3)
connectors support SATA data
cables for internal storage
devices. The current SATA3
interface allows up to 6.0 Gb/s
data transfer rate. If the eSATA3
port on the rear I/O has been
connected, the internal
SATA3_A2 will not funtion.
Either end of the SATA data
cable can be connected to the
SATA / SATA2 / SATA3 hard
disk or the SATA2 / SATA3
connector on this motherboard.
Besides two default USB 2.0
ports on the I/O panel, there are
three USB 2.0 headers on this
motherboard. Each USB 2.0
header can support two USB 2.0
ports.