ASRock 939A8X-M User Manual - Page 8
Motherboard Layout
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1.3 Motherboard Layout 1 PS2_USB_PWR1 Jumper 2 Infrared Module Header (IR1) 3 Flash Memory 4 Floppy Connector (FLOPPY1) 5 CPU Fan Connector (CPU_FAN1) 6 2 x 184-pin DDR DIMM Slots (Dual Channel A: DDR1, DDR2; Blue) 7 2 x 184-pin DDR DIMM Slots (Dual Channel B: DDR3, DDR4; Black) 8 Secondary IDE Connector (IDE2, Black) 9 Primary IDE Connector (IDE1, Blue) 10 Clear CMOS Jumper (CLRTC1) 11 Chassis Fan Connector (CHA_FAN1) 12 System Panel Header (PANEL1) 13 Chassis Speaker Header (SPEAKER 1) 14 USB 2.0 Header (USB67, Blue) 15 USB 2.0 Header (USB_H45, Blue) 16 Primary Serial ATA Connector (SATA1) 17 Secondary Serial ATA Connector (SATA2) 18 Bridge Controller 19 Game Port Header (GAME1) 20 JR1 Jumper / JL1 Jumper 21 Front Panel Audio Header (AUDIO1) 22 PCI Slots (PCI1 - 3) 23 AGP Slot (1.5V_AGP1) 24 Internal Audio Connector: CD1 (Black) 25 ATX Power Connector (ATXPWR1) 26 CPU Heatsink Retention Module 27 939-Pin CPU Socket 28 ATX 12V Connector (ATX12V1) 8