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3 motherboard layout, 4 layout contents, Motherboard layout -7 – Asus M4A78-EM/1394 User Manual

Page 19: Layout contents -7, 3 motherboard layout 1.5.4 layout contents

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1.5.3

Motherboard layout

1.5.4

Layout contents

Connectors/Jumpers/Slots/LED

Page Connectors/Jumpers/Slots/LED

Page

1. IEEE 1394a port connector (10-1 pin IE1394_1) 1-25 10. Clear RTC RAM (3-pin CLRTC)

1-18

2. ATX power connectors (24-pin EATXPWR,

4-pin ATX12V)

1-23 11. Onboard LED (SB_PWR)

1-5

3. CPU Socket AM2+

1-8

12. SATA connectors (7-pin SATA1, SATA2,

SATA3, SATA5, SATA6)

1-25

4. DDR2 DIMM slots

1-11 13. USB connectors (10-1 pin USB78, USB910,

USB1112)

1-26

5. CPU, power, and chassis fan connectors

(4-pin CPU_FAN, 3-pin PWR_FAN,

and 3-pin CHA_FAN)

1-22 14. Digital audio connector (4-1 pin SPDIF_OUT) 1-27

6. LPT connector (26-1 pin LPT)

1-23 15. Front panel audio connector (10-1 pin AAFP) 1-27

7. Serial port connector (10-1 pin COM1)

1-22 16. Optical drive audio connector (4-pin CD)

1-26

8. IDE connector (40-1 pin PRI_IDE)

1-24 17. PCI / PCIe x 1 / PCIe x 16 slots

1-17

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

1-28

ASUS M4A78-EM/1394

1-7