ASRock 939S56-M User Manual - Page 8

1.3 Motherboard Layout 939S56-M FSB 1GHz 12 34 22.4cm (8.8-in) PS2 Mouse 1 PS2_USB_PW1 ATX12V1 56 PARALLEL PORT PS2 Keyboard 7 24.4cm (9.6-in) DDR4 (64/72 bit, 184-pin module) DDR2 (64/72 bit, 184-pin module) DDR3 (64/72 bit, 184-pin module) DDR1 (64/72 bit, 184-pin module) SOCKET 939 COM1 Dual Channel DDR400 30 29 28 27 26 25 24 Top: LINE IN Center: FRONT Bottom: MIC IN Top: REAR SPK Center: SIDE SPK Bottom: CTR BASS USB 2.0 T: USB2 B: USB3 USB 2.0 T: USB0 B: USB1 Top: RJ-45 CPU_FAN1 Dual Core CPU ATA133 IDE2 PCI EXPRESS ATXPWR1 SiS 756 Chipset CD1 7.1CH PCIE 1 LAN PHY PCI 1 SATA USB2.0 PCI 2 CMOS Battery SiS 965L Chipset AUDIO CODEC PCIE 2 Super I/O JR1 JL1 1 AUDIO1 1 GAME1 FLOPPY1 2Mb BIOS 1 CLRCMOS2 IR1 1 USB_H45 1 USB67 1 SPEAKER1 1 CHA_FAN1 SATA2 SATA1 IDE1 PLED PWRBTN PANEL 1 1 HDLED RESET 23 22 21 201918 17 16 15 14 13 8 9 10 11 12 1 PS2_USB_PW1 Jumper 2 ATX 12V Connector (ATX12V1) 3 939-Pin CPU Socket 4 CPU Heatsink Retention Module 5 2 x 184-pin DDR DIMM Slots (Dual Channel A: DDR1, DDR2; Blue) 6 2 x 184-pin DDR DIMM Slots (Dual Channel B: DDR3, DDR4; Black) 7 Secondary IDE Connector (IDE2, Black) 8 Primary IDE Connector (IDE1, Blue) 9 North Bridge Controller 10 South Bridge Controller 11 Primary Serial ATA Connector (SATA1) 12 Secondary Serial ATA Connector (SATA2) 13 System Panel Header (PANEL1) 14 Chassis Speaker Header (SPEAKER 1) 15 Chassis Fan Connector (CHA_FAN1) 16 USB 2.0 Header (USB67, Blue) 17 USB 2.0 Header (USB_H45, Blue) 18 Clear CMOS Jumper (CLRCMOS2) 19 Infrared Module Header (IR1) 20 Flash Memory 21 Floppy Connector (FLOPPY1) 22 Game Port Header (GAME1) 23 Front Panel Audio Header (AUDIO1) 24 JR1JL1 Jumper 25 PCI EXPRESS Slot (PCIE2) 26 PCI Slots (PCI1 - 2) 27 PCI EXPRESS Slot (PCIE1) 28 Internal Audio Connector: CD1 (Black) 29 ATX Power Connector (ATXPWR1) 30 CPU Fan Connector (CPU_FAN1) 8