1.3 Motherboard Layout
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| 1 | 2 |
| 3 | 4 |
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| 8.4cm (21.3 in) |
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Keyboard | PS2 |
| Mouse | PS2 |
| ATX12V1 |
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| CPU_FAN1 |
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| PWR_FAN1 |
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| RoHS |
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VGA1 | DVI1 |
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| DDR3 |
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| ATXPWR1 |
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HDMI1 |
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| ErP/EuPReady |
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USB 2.0 |
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| (64A1DDR3bit,240 | (64B1DDR3bit,240 | A0SATA3 | 0SATA3 | A1SATA3 | |||
T: USB2 |
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B: USB3 |
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USB 3.0 |
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T: USB0 |
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B: USB1 |
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33 |
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USB 2.0 |
| Top: |
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T: USB4 |
| LAN |
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B: USB5 | PHY |
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32 |
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| CMOS |
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Front Center: | LineIn op:T |
| HDAUDIO1 | Battery |
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MincI Bottom: | 1 |
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| CHA_FAN1 |
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| 1 | PCI Express 3.0 |
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| CLRCMOS1 |
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| USB3_2_3 |
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31 |
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| PCIE1 |
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| B75M |
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| AUDIO |
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| PCI1 |
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| CODEC |
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| Intel |
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30 |
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| Front USB 3.0 |
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| 64Mb |
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| B75 |
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| BIOS |
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29 |
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| PCI2 |
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| SATA2_1 |
| SATA2_3 |
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28 |
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| XFast USB XFast RAM XFast LAN |
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| Super |
| PCIE2 |
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| SATA2_2 |
| SATA2_4 |
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| I/O |
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| 1 |
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| COM1 |
| USB8_9 |
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| SPEAKER1 |
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| LPT1 |
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| USB6_7 |
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| CI1 |
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| IR1 |
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| 1 |
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| 1 |
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| 1 |
| 1 | 1 | CIR1 | 1 | PANEL1 |
| SATA2_5 |
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| 27 |
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| 26 | 25 | 24 | 23 | 22 21 | 20 | 19 |
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24.4cm (9.6 in)
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1 | Power Fan Connector (PWR_FAN1) | 18 | SATA2 Connector (SATA2_5, Black) |
2 | ATX 12V Power Connector (ATX12V1) | 19 | SATA2 Connector (SATA2_2, Black) |
3 | 20 | System Panel Header (PANEL1, Black) | |
4 | CPU Fan Connector (CPU_FAN1) | 21 | USB 2.0 Header (USB6_7, Black) |
5 | 2 x | 22 | USB 2.0 Header (USB8_9, Black) |
| (DDR3_A1, DDR3_B1, Black) | 23 | Consumer Infrared Module Header |
6 | ATX Power Connector (ATXPWR1) |
| (CIR1, Gray) |
7 | SATA3 Connector (SATA3_A0, Gray) | 24 | Infrared Module Header (IR1) |
8 | SATA3 Connector (SATA3_A1, Gray) | 25 | COM Port Header (COM1) |
9 | SATA3 Connector (SATA3_0, Gray) | 26 | Print Port Header (LPT1) |
10 | Chassis Fan Connector (CHA_FAN1) | 27 | Chassis Intrusion Header (CI1) |
11 | USB 3.0 Header (USB3_2_3, Black) | 28 | PCI Express 2.0 x16 Slot (PCIE2, Black) |
12 | Intel B75 Chipset | 29 | PCI Slot (PCI2, Black) |
13 | SPI Flash Memory (64Mb) | 30 | PCI Slot (PCI1, Black) |
14 | SATA2 Connector (SATA2_1, Black) | 31 | PCI Express 3.0 x16 Slot (PCIE1, Black) |
15 | SATA2 Connector (SATA2_3, Black) | 32 | Front Panel Audio Header |
16 | SATA2 Connector (SATA2_4, Black) |
| (HD_AUDIO1, Black) |
17 | Chassis Speaker Header (SPEAKER1, Black) | 33 | Clear CMOS Jumper (CLRCMOS1) |
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