ASROCK H77M-ITX Handbuch Seite 24

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2.10 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
(SATA_2: see p.2, No. 4)
(SATA_3: see p.2, No. 5)
Serial ATA3 Connectors
(SATA_0: see p.2, No. 3)
(SATA_1: see p.2, No. 2)
Serial ATA (SATA)
Data Cable
(Optional)
USB 2.0 Headers
(9-pin USB4_5)
(see p.2, No. 7)
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These two Serial ATA2 (SATA2)
SATA_2
connectors support SATA data
cables for internal storage
devices. The current SATA2
SATA_3
interface allows up to 3.0 Gb/s
data transfer rate.
These two Serial ATA3 (SATA3)
SATA_0
connectors support SATA data
cables for internal storage
devices. The current SATA3
SATA_1
interface allows up to 6.0 Gb/s
data transfer rate.
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 four default USB 2.0
ports on the I/O panel, there is
one USB 2.0 header on this
motherboard. This USB 2.0
header can support two USB 2.0
ports.
ASRock H77M-ITX Motherboard