2020年5月18日 · 在搭配某些特殊南桥的时候我们也许需要将硬盘切换到1.5Gb/s的工作模式下，这时候我们就需要使用到SATA硬盘跳线切换硬盘的工作模式。 如图所示，这个接口究竟是干什么用的？

They are used to give 5V (red), 12V (yellow) and ground (black) and with this connector you can easily wire up your favorite power supply or bench-top power source. We also carry the socket cable here. May We Also Suggest…

大4pin接口（也叫大d型电源接口）是ide接口的设备的电源插头，比如ide硬盘、ide光盘等等。 有些扩展卡（比如显卡、USB扩展卡等等）也会使用这种插头供电。

Molex 4-pin power extension cable for the IDE hard drive with the standard Molex (LP4) 4-pin port. Connectors: Molex 4-Pin Male; Molex 4-Pin Female. It is suitable for hard disks, cooling fan, CDROM, DVD-ROM drives, etc.

Adapter that takes a Molex power connector and adapts it to an IDE connector.

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Handy Y-cable adapter powers two SATA drives from a single LP4 connection; And It's a SATA power cable which should work for any SATA device. Connect the latest Serial ATA hard drives or optical drives to a power supply with legacy Molex LP4 ports. Compatible with 5V SATA devices connecting to 12V ATX power supplies.

Find 4 Pin IDE Power Connectors related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of 4 Pin IDE Power Connectors information.