ASRock A790GX/128M Quick Installation Guide - Page 2
Motherboard Layout
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Motherboard Layout English 1 PS2_USB_PW1 Jumper 21 Chassis Speaker Header 2 ATX 12V Power Connector (ATX12V1) (SPEAKER 1, Purple) 3 CPU Heatsink Retention Module 22 Chassis Fan Connector (CHA_FAN1) 4 AM2 940-Pin CPU Socket 23 USB 2.0 Header (USB8_9, Blue) 5 CPU Fan Connector (CPU_FAN1) 24 USB 2.0 Header (USB6_7, Blue) 6 2 x 240-pin DDR2 DIMM Slots 25 SPI Flash Memory (8Mb) (Dual Channel A: DDRII_1, DDRII_2; Yellow) 26 USB 2.0 Header (USB10_11, Blue) 7 2 x 240-pin DDR2 DIMM Slots 27 Infrared Module Header (IR1) (Dual Channel B: DDRII_3, DDRII_4; Orange) 28 Floppy Connector (FLOPPY1) 8 ATX Power Connector (ATXPWR1) 29 Serial Port Connector (COM1) 9 Primary IDE Connector (IDE1, Blue) 30 Front Panel Audio Header 10 North Bridge Fan Connector (NB_FAN1) (HD_AUDIO1, Lime) 11 Clear CMOS Jumper (CLRCMOS1) 31 Internal Audio Connector: CD1 (Black) 12 PCI Express x1 Slot (PCIE3; Green) 32 HDMI_SPDIF Header 13 Southbridge Controller (HDMI_SPDIF1, Yellow) 14 Fifth SATAII Connector (SATAII_5, Red) 33 PCI Slots (PCI1- 2) 15 Sixth SATAII Connector (SATAII_6, Red) 34 PCI Express 2.0 x16 Slot 16 Primary SATAII Connector (SATAII_1, Red) (PCIE2; Orange) 17 Third SATAII Connector (SATAII_3, Red) 35 PCI Express 2.0 x16 Slot (PCIE1; Green) 18 Fourth SATAII Connector (SATAII_4, Red) 36 Northbridge Controller 19 System Panel Header (PANEL1, Orange) 37 Power Fan Connector (PWR_FAN1) 20 Secondary SATAII Connector (SATAII_2, Red) 2 ASRock A790GX/128M Motherboard