ASRock 790GX Pro Quick Installation Guide - Page 2
Motherboard Layout - am3
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Motherboard Layout English 1 PS2_USB_PW1 Jumper 21 SATAII Connector (SATAII_3 (PORT 2), Blue) 2 CPU Fan Connector (CPU_FAN1) 22 Power LED Header (PLED1) 3 ATX 12V Power Connector (ATX12V1) 23 SATAII Connector (SATAII_5 (PORT 4), Blue) 4 AM3 CPU Socket 24 USB_PW3 Jumper 5 CPU Heatsink Retention Module 25 USB 2.0 Header (USB6_7, Blue) 6 2 x 240-pin DDR3 DIMM Slots 26 USB 2.0 Header (USB8_9, Blue) (Dual Channel A: DDR3_A1, DDR3_B1; Blue) 27 USB 2.0 Header (USB10_11, Blue) 7 2 x 240-pin DDR3 DIMM Slots 28 Infrared Module Header (IR1) (Dual Channel B: DDR3_A2, DDR3_B2; White) 29 Floppy Connector (FLOPPY1) 8 ATX Power Connector (ATXPWR1) 30 Serial Port Connector (COM1) 9 Northbridge Fan Connector (NB_FAN1) 31 Front Panel Audio Header 10 Primary IDE Connector (IDE1, Blue) (HD_AUDIO1, White) 11 Clear CMOS Jumper (CLRCMOS1) 32 Internal Audio Connector: CD1 (Black) 12 SPI Flash Memory (8Mb) 33 HDMI_SPDIF Header 13 Southbridge Controller (HDMI_SPDIF1, White) 14 System Panel Header (PANEL1, White) 34 PCI Slots (PCI1-3) 15 Chassis Fan Connector (CHA_FAN2) 35 PCI Express 2.0 x1 Slot (PCIE3; White) 16 Chassis Fan Connector (CHA_FAN1) 36 PCI Express 2.0 x16 Slot (PCIE2; Blue) 17 Chassis Speaker Header (SPEAKER 1, White) 37 PCI Express 2.0 x1 Slot (PCIE1; White) 18 SATAII Connector (SATAII_2 (PORT 1), Blue) 38 Northbridge Controller 19 SATAII Connector (SATAII_1 (PORT 0), Blue) 39 Power Fan Connector (PWR_FAN1) 20 SATAII Connector (SATAII_4 (PORT 3), Blue) 40 USB_PW2 Jumper 2 ASRock 790GX Pro Motherboard