ASROCK A55M-DGS User Manual download pdf (Page 25)

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 ATA2 Connectors These four Serial ATA2

(SATA_1: see p.11, No. 12)

(SATA2) connectors support

(SATA_2: see p.11, No. 13)

SATA data cables for internal

(SATA_3: see p.11, No. 11)

storage devices. The current

(SATA_4: see p.11, No. 10)

SATA2 interface allows up to

3.0 Gb/s data transfer rate.

U SB_PWR

P-8

GND

DUMMY

U SB_PWR

P +8

GND

P-9

P +9

USB 2.0 Headers Besides four default USB 2.0

(9-pin USB6_7)

ports on the I/O panel, there

(see p.11 No. 18)

are two 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.11 No. 20)

Print Port Header This is an interface for print

(25-pin LPT1)

port cable that allows

(see p.11 No. 17)

convenient connection of printer

devices.

AFD#

ERROR#

PINIT#

GND

SLIN#

STB#

SPD0

SPD1

SPD2

SPD3

SPD4

SPD5

SPD6

SPD7

ACK#

BUSY

SLCT

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.

SATA_1

SATA_2

SATA_3

SATA_4

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ASROCK A55M-DGS User Manual Page 25

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