Biostar A870 Owner's Manual | Page 6

Biostar Motherboards Owner's Manual - A870.
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Motherboard Manual 

1.5  MOTHERBOARD LAYOUT 

KBMS1

J USBV1

ATXPWR2

CO
M

1

RJ45USB1

AUDIO1

USB3_0
USB2_0

(A870U3)
(A870)

ATXPWR1

LAN

Codec

PEX1_1

PEX16_1

PEX1_2

PEX16_2

PCI2

PCI1

F _AUDIO1

J_PRINT 1

JSPDIFOUT1

JUSBV2

F_USB1F_USB2

SY S_FA N1

Super I/O

PANEL1

SATA2

SATA1

SATA5

SATA3

SATA4

SATA6

BI

O

S

BAT

JCMOS1

AMD

SB850

AMD

870

CPU_FAN1

So
ck

e

t  

 AM

3

DDR

3_

A

1

DDR

3_

A

2

DDR

3_

B

2

DDR

3_

B

1

 

Note:   represents the 1

st pin.