PX875P PRO/ PX875P
Headers & Jumpers
Front USB Headers: USB2/ USB3/ (USB4 for V1.0 only)
The V1.0 series mainboard provide three USB headers (USB2/ 3/ 4) on the board allowing for 6 USB ports. And the V2.0 series mainboard provide two USB headers (USB2/ 3) on the board allowing for 4 USB ports. These attach to USB connectors embedded into the computer case or connected to a USB bracket (optional).
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5VSB | 5VSB |
DATA_A- | DATA_B- |
DATA_A+ | DATA_B+ |
FRO |
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| PCI5 | PCI4 | U 21 | PCI3 | 3COM LAN | PCI2 | PCI1 | Winbond W 83627HF ALC 650 |
| AUXFAN | SOU ND | CPUFAN |
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| U8 | USB/LAN | K B/M S |
NT A UDI O C | 2 1 | 1 | 1 | 1 |
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| Socket 478 |
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Ground | Ground |
NC | NC |
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USB2/3/4
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| 9 | USB 3 | |
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SW/LED | 10 |
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2 10 1 9 USB 4
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U1 9
B AT1
Intel 82875P | U12 |
ATX_12 V AGP
DIM M1 
DIM M2 
DIM M3 
DIM M4 
ID E2 ID E1 | ATX PWR |
USB Bracket (optional)
An optional USB bracket may be included with your board. The bracket is typical secured to the back side of your computer case and has standard USB ports that you can connect to external USB devices. The bracket will also have cables that you can extend to the USB2, USB3 or USB4 (the USB4 header only for PX875P PRO V1.0) headers.
*If you are using USB 2.0 devices with Windows 2000/ XP, you will need to install the USB 2.0 driver from the Microsoft® website.
Infrared Header: IrDA
This IrDA connector can be configured to support wireless infrared and is used to attach to an infrared sensing device. After the IrDA interface is configured, you can use this connector for connectionless data transfer to and from portable devices such as laptops and PDAs.
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NC NC
+5V 
Ground
IR_TX 
IR_RX
F RO | 21 | 1 | PCI5 | PCI4 | U 21 | PCI3 | 3COM LAN | PCI2 | PCI1 | 650 | W83627HF ALC | Winbond | 1 | AUXFAN | SOU ND | CPUFAN | 1 |
| U8 | USB/LAN | K B/M S |
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NTAUDIO | 21 |
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5 6
IrDA
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| 21 | U SB2 |
| 9 | USB 3 |
| 101 | CHASFAN |
SPEAKER | 1 | |
1 | PWRLED2 1 | FDC |
SW/LED | 10 |
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2 10 1 9 USB 4
| In IC |
| tel H 5 |
SATA1 | SATA2 |
| 1 |
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| JP1 C ASE |
| O PEN |
U1 9
B AT1
Intel 82875P | U12 |
ATX_12 V AGP
DIM M1 
DIM M2 
DIM M3 
DIM M4 
ID E2 ID E1 | ATX PWR |
17