ASRock Z77 Extreme3 User Manual - Page 15
Motherboard Layout - ram
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1.3 Motherboard Layout 1 2 3 45 21.8cm (8.6 in) ATX12V1 CPU_FAN1 CPU_FAN2 PWR_FAN1 6 7 USB 2.0 T: USB0 B: USB1 PS2 Keyboard DDR3 2800+ DDR3_A1 (64 bit, 240-pin module) DDR3_A2 (64 bit, 240-pin module) DDR3_B1 (64 bit, 240-pin module) DDR3_B2 (64 bit, 240-pin module) AT X P W R 1 30.5cm (12.0 in) DVI1 VGA1 HDMI1 USB 3.0 T: USB0 B: USB1 8 USB 2.0 T: USB2 B: USB3 Top: RJ-45 34 Top: SIDE SPK Center: REAR SPK FRONT Bottom: CTR BASS 1 USB3_2_3 LAN PHY 9 Top: LINE IN Center: Bottom: MIC IN CHA_FAN2 CHA_FAN3 33 PCIE1 Z77 Extreme3 32 AUDIO CODEC PCIE2 10 PCI Express 3.0 CMOS Battery Intel 11 ErP/EuP Ready 31 PCI1 Z77 Super I/O X X X Fast USB Fast RAM Fast LAN 30 PCIE3 12 SATA2_4_5 SATA2_2_3 SATA3_0_1 29 28 RoHS HD_AUDIO1 1 HDMI_SPDIF1 1 IR1 1 COM1 1 PCI2 Front USB 3.0 PCIE4 USB4_5 USB6_7 1 1 1 CIR1 CHA_FAN1 CLRCMOS1 1 64Mb BIOS PLED1 1 SPEAKER1 1 PANEL1 PLED PWRBTN 1 HDLED RESET 13 14 27 26 25 24 23 22 21 20 19 18 17 16 15 1 ATX 12V Power Connector (ATX12V1) 19 SPI Flash Memory (64Mb) 2 1155-Pin CPU Socket 20 Chassis Fan Connector (CHA_FAN1) 3 CPU Fan Connector (CPU_FAN1) 21 USB 2.0 Header (USB6_7, Black) 4 CPU Fan Connector (CPU_FAN2) 22 USB 2.0 Header (USB4_5, Black) 5 Power Fan Connector (PWR_FAN1) 23 Consumer Infrared Module Header 6 2 x 240-pin DDR3 DIMM Slots (CIR1, Gray) (DDR3_A1, DDR3_B1, Black) 24 COM Port Header (COM1) 7 2 x 240-pin DDR3 DIMM Slots 25 HDMI_SPDIF Header (DDR3_A2, DDR3_B2, Black) (HDMI_SPDIF1, Black) 8 ATX Power Connector (ATXPWR1) 26 Infrared Module Header (IR1) 9 USB 3.0 Header (USB3_2_3, Black) 27 Front Panel Audio Header 10 Chassis Fan Connector (CHA_FAN3) (HD_AUDIO1, Black) 11 Intel Z77 Chipset 28 PCI Express 2.0 x16 Slot (PCIE4, Black) 12 SATA3 Connectors (SATA3_0_1, Gray) 29 PCI Slot (PCI2, Black) 13 SATA2 Connectors (SATA2_2_3, Black) 30 PCI Express 3.0 x16 Slot (PCIE3, Black) 14 SATA2 Connectors (SATA2_4_5, Black) 31 PCI Slot (PCI1, Black) 15 Chassis Speaker Header (SPEAKER1, Black) 32 PCI Express 3.0 x16 Slot (PCIE2, Black) 16 System Panel Header (PANEL1, Black) 33 PCI Express 2.0 x1 Slot (PCIE1, Black) 17 Power LED Header (PLED1) 34 Chassis Fan Connector (CHA_FAN2) 18 Clear CMOS Jumper (CLRCMOS1) 15