Biostar I945G-M7 v1.x I945G-M7 user's manual - Page 15

I945G-M7 JATXPWR2: ATX Power Connector By connecting this connector, it will provide +12V to CPU power circuit. COM1 2 1 4 3 Pin Assignment 1 +12V 2 +12V 3 Ground 4 Ground SATA1~SATA4: Serial ATA Connectors The motherboard has a PCI to SATA Controller with 4 channels SATA interface, it satisfies the SATA 2.0 spec and with transfer rate of 3Gb/s. COM1 SATA4 SATA3 741 Pin Assignment 1 Ground 2 TX+ 3 TX- SATA2 SATA1 4 Ground 5 RX- 6 RX+ 7 Ground JUSB3/JUSB4: Front USB Headers This motherboard provides 2 USB 2.0 headers, which allows user to connect additional USB cable on the PC front panel, and also can be connected with internal USB devices, like USB card reader. COM1 Pin Assignment 1 +5V (fused) 2 +5V (fused) 3 USB- JUSB3 JUSB4 4 USB- 9 1 5 USB+ 6 USB+ 7 Ground 10 2 8 Ground 9 Key 10 NC 13