3 motherboard layout, 4 layout contents, Motherboard layout -7 – Asus M4A78-EM User Manual
Page 19: Layout contents -7, 3 motherboard layout 1.5.4 layout contents
1.5.3
Motherboard layout
1.5.4
Layout contents
Connectors/Jumpers/Slots/LED
Page Connectors/Jumpers/Slots/LED
Page
1. CPU, power, and chassis fan connectors
(4-pin CPU_FAN, 3-pin PWR_FAN, and 3-pin CHA_FAN)
1-28 9. Clear RTC RAM (3-pin CLRTC)
1-18
2. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) 1-22 10. Onboard LED (SB_PWR)
1-5
3. CPU Socket AM2+
1-8
11. SATA connectors (7-pin SATA1, SATA2,
SATA3, SATA5, SATA6)
1-24
4. DDR2 DIMM slots
1-11 12. USB connectors (10-1 pin USB78, USB910,
USB1112)
1-26
5. LPT connector (26-1 pin LPT)
1-23 13. Digital audio connector (4-1 pin SPDIF_OUT) 1-27
6. Serial port connector (10-1 pin COM1)
1-24 14. Front panel audio connector (10-1 pin AAFP) 1-27
7. IDE connector (40-1 pin PRI_IDE)
1-23 15. Optical drive audio connector (4-pin CD)
1-26
8. System panel connector (20-8 pin PANEL)
1-25
ASUS M4A78-EM
1-7