ASRock AD2550B-ITX Quick Installation Guide - Page 15

English, 7 Onboard Headers and Connectors

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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) SATAII_1 SATAII_2 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. Serial ATA (SATA) Data Cable (Optional) Either end of the SATA data cable can be connected to the SATA / SATA2 hard disk or the SATA2 connector on this motherboard. USB 2.0 Headers (9-pin USB4_5) (see p.2 No. 13) (9-pin USB6_7) (see p.2 No. 7) 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. English Consumer Infrared Module Header (4-pin CIR1) (see p.2 No. 10) 1 GND IRTX IRRX ATX+5VSB This header can be used to connect the remote controller receiver. Infrared Module Header (5-pin IR1) (see p.2 No. 8) IRTX +5VSB DUMMY 1 GND IRRX This header supports an optional wireless transmitting and receiving infrared module. 15 ASRock AD2550B-ITX Motherboard

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15
ASRock
AD2550B-ITX
Motherboard
English
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
These two Serial ATA2 (SATA2)
(SATAII_1: see p.2, No. 14)
connectors support SATA data
(SATAII_2: see p.2, No. 6)
cables for internal storage
devices. The current SATA2
interface allows up to 3.0 Gb/s
data transfer rate.
USB 2.0 Headers
Besides the default USB 2.0
(9-pin USB4_5)
ports on the I/O panel, there
(see p.2
No. 13)
are two USB 2.0 headers on
this motherboard. Each
USB 2.0 header can support
two USB 2.0 ports.
(9-pin USB6_7)
(see p.2
No. 7)
SATAII_2
SATAII_1
Consumer Infrared Module Header
This header can be used to
(4-pin CIR1)
connect the remote controller
(see p.2
No. 10)
receiver.
1
ATX+5VSB
IRTX
GND
IRRX
Serial ATA (SATA)
Either end of the SATA data
Data Cable
cable can be connected to the
(Optional)
SATA / SATA2 hard disk or the
SATA2 connector on this
motherboard.
Infrared Module Header
This header supports an
(5-pin IR1)
optional wireless transmitting
(see p.2
No. 8)
and receiving infrared module.
1
IRTX
+5VSB
DUMMY
IRRX
GND