Jetway Computer NMF91-G41 - Manual (Page 15)

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Figure1：20-pin power plug Figure 2：24-pin power plug
(2) ATX 12V Power Connector (8-pin block) : ATX12V1
This is a new defined 8-pin connector that usually comes with ATX Power
Supply. The ATX Power Supply which fully supports AMD AM3 processor must
including this connector for support extra 12V voltage to maintain system power
consumption. Without this connector might cause system unstable because the
power supply can not provide sufficient current for system.
Pin 1
(3) Serial-ATAII Port connector: SATA1/SATA2/SATA3/SATA4
This connector supports the provided Serial ATA3 hard disk cable to connecting
the motherboard with SATA2 hard disk.
Pin No. Defnition
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
(4) Primary IDE Connector (40-pin block): IDE
This connector supports the provided IDE hard disk ribbon cable. After
connecting the single plug end to motherboard, connect the two plugs at other
end to your hard disk(s). If you install two hard disks, you must configure the