ASRock M3A770DE Quick Installation Guide - Page 2
Motherboard Layout - am3
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Motherboard Layout English 1 PS2_USB_PW1 Jumper 19 USB 2.0 Header (USB8_9, Blue) 2 ATX 12V Power Connector (ATX12V1) 20 USB 2.0 Header (USB6_7, Blue) 3 AM3 CPU Socket 21 USB 2.0 Header (USB10_11, Blue) 4 CPU Heatsink Retention Module 22 System Panel Header (PANEL1, Orange) 5 CPU Fan Connector (CPU_FAN1) 23 SPI Flash Memory (8Mb) 6 2 x 240-pin DDR3 DIMM Slots 24 Infrared Module Header (IR1) (Dual Channel A: DDR3_A1, DDR3_B1; Blue) 25 Floppy Connector (FLOPPY1) 7 2 x 240-pin DDR3 DIMM Slots 26 Serial Port Connector (COM1) (Dual Channel B: DDR3_A2, DDR3_B2; White) 27 Front Panel Audio Header 8 ATX Power Connector (ATXPWR1) (HD_AUDIO1, Lime) 9 Primary IDE Connector (IDE1, Blue) 28 Internal Audio Connector: CD1 (Black) 10 Clear CMOS Jumper (CLRCMOS1) 29 HDMI_SPDIF Header 11 EUP LAN Jumper (EUP_LAN) (HDMI_SPDIF1, Yellow) 12 Southbridge Controller 30 PCI Slots (PCI1- 3) 13 Primary SATAII Connector (SATAII_1, Red) 31 PCI Express 2.0 x16 Slot 14 Third SATAII Connector (SATAII_3, Red) (PCIE3; Orange) 15 Fourth SATAII Connector (SATAII_4, Red) 32 PCI Express 2.0 x16 Slot (PCIE2; Green) 16 Chassis Speaker Header 33 PCI Express x1 Slot (PCIE1; Green) (SPEAKER 1, Purple) 34 Power Fan Connector (PWR_FAN1) 17 Secondary SATAII Connector (SATAII_2, Red) 35 Northbridge Controller 18 Chassis Fan Connector (CHA_FAN1) 2 ASRock M3A770DE Motherboard