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2.7 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
(SATAII_1: see p.2, No. 14)
(SATAII_2: see p.2, No. 6)
Serial ATA (SATA)
Data Cable
(Optional)
USB 2.0 Headers
(9-pin USB4_5)
(see p.2 No. 13)
(9-pin USB6_7)
(see p.2 No. 7)
Consumer Infrared Module Header
(4-pin CIR1)
(see p.2 No. 10)
Infrared Module Header
(5-pin IR1)
(see p.2 No. 8)
ASRock AD2550B-ITX Motherboard
These two 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.
Either end of the SATA data
cable can be connected to the
SATA / SATA2 hard disk or the
SATA2 connector on this
motherboard.
Besides the default USB 2.0
ports on the I/O panel, there
are two USB 2.0 headers on
this motherboard. Each
USB 2.0 header can support
two USB 2.0 ports.
This header can be used to
connect the remote controller
receiver.
This header supports an
optional wireless transmitting
and receiving infrared module.
15
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