ASRock 939NF4G-SATA2 Quick Installation Guide - Page 2
Motherboard L, Motherboard Layout, ayout - cpu
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Motherboard Layout English 1 PS2_USB_PW1 Jumper 16 System Panel Header (PANEL1) 2 ATX 12V Power Connector (ATX12V1) 17 USB 2.0 Header (USB67, Blue) 3 North Bridge Controller 18 USB 2.0 Header (USB45, Blue) 4 CPU Heatsink Retention Module 19 Clear CMOS Jumper (CLRCMOS1) 5 939-Pin CPU Socket 20 Infrared Module Header (IR1) 6 2 x 184-pin DDR DIMM Slots 21 Floppy Connector (FLOPPY1) (Dual Channel A: DDR1, DDR2; Blue) 22 Flash Memory 7 2 x 184-pin DDR DIMM Slots 23 Game Port Header (GAME1) (Dual Channel B: DDR3, DDR4; Black) 24 PCI Express x 1 Slot (PCIE2) 8 Secondary IDE Connector (IDE2, Black) 25 AMR Slot (AMR1) 9 Primary IDE Connector (IDE1, Blue) 26 Front Panel Audio Header (AUDIO1) 10 CPU Fan Connector (CPU_FAN1) 27 JR1 JL1 Jumper 11 South Bridge Controller 28 2 x PCI Slots (PCI1- 2) 12 Secondary Serial ATAII Connector (SATAII_2, red) 29 PCI Express x 16 Slot (PCIE1) 13 Primary Serial ATAII Connector (SATAII_1, red) 30 Internal Audio Connector: CD1 (Black) 14 Chassis Speaker Header (SPEAKER 1) 31 ATX Power Connector (ATXPWR1) 15 Chassis Fan Connector (CHA_FAN1) 32 Serial Port Connector (COM1) 2 ASRock 939NF4G-SATA2 Motherboard