Motherboard Layout

1.5.3

Motherboard layout 1

2

3

4

1

21.3cm(8.4in)

KB_USB56 CHA_FAN

ATX12V

PRI_IDE

5 30.5cm(12.0in)

AUDIO

DDR3 DIMM_B1 (64bit, 240-pin module)

LAN1_USB12

DDR3 DIMM_A1 (64bit, 240-pin module)

CPU_FAN

USB34

DDR3 DIMM_B2 (64bit, 240-pin module)

DDR3 DIMM_A2 (64bit, 240-pin module)

COM1

SOCKET AM3

LPT

SPDIF_O

AMD® 770

ICS 9LPRS485

2

EATXPWR

RTL 8112L

PCIEX1_1

PCIEX16

M4A77TD

AMD® SB710

Super I/O

PCIEX1_2

Lithium Cell CMOS Power

PCI1 8Mb BIOS

PCI2 VIA VT1708S

SATA1

SATA2

SATA3

SATA4

SATA5

SATA6

6

PCI3 USB78

SB_PWR

USB1112

USB910

CLRTC

AAFP

SPDIF_OUT

12

1.5.4

11

10

9

PANEL

7

8

Layout contents

Connectors/Jumpers/Slots/LED

Page Connectors/Jumpers/Slots/LED

Page

1. CPU and chassis fan connectors (4-pin CPU_FAN and 3-pin CHA_FAN)

1-27

7. System panel connector (20-8 pin PANEL)

1-24

2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)

1-21

8. USB connectors (10-1 pin USB78, USB910, USB1112)

1-25

3. CPU Socket AM3

1-8

9. Clear RTC RAM (3-pin CLRTC)

1-18

4. DDR3 DIMM slots

1-11

10. Onboard power LED (SB_PWR)

1-5

5. IDE connector (40-1 pin PRI_IDE)

1-22

11. Digital audio connector (4-1 pin SPDIF_OUT)

1-26

6. SATA connectors (7-pin SATA1, SATA2, SATA3, SATA4, SATA5, and SATA6)

1-23

12. Front panel audio connector (10-1 pin AAFP)

1-26

ASUS M4A77TD

1-7