Hello guys
Often the mainboard doesn’t settle for the USB, exhausting drive, or cannot activate the supply, most of it’s to the touch or die the male chip. To make the restore sooner, see if the chip is touched, shorted or not, you usually measure the inner resistance of the chip. Measure the inner resistance by adjusting the vom meter to the x1 scale. The crimson rod is positioned on the floor pin and the black rod is positioned on the voltage pins corresponding to: USB, 5v pin, 3v3 pin, 1v5 pin. If the clock hand strikes to O, it means the chip has touched. This fashion of measuring will aid you save the difficulty of constructing the chip’s pins contact after which near the primary.
Male chips embrace varieties corresponding to: NH82801DB, NH82801EB, NH82801FB, NH82801GB equal to ICH4, ICH5, ICH6, ICH7. Collected 4 male chip pinouts to share with you guys.
Observe :
Black legs are mass
Crimson pin is 1v5 . energy provide
Navy blue legs are USB
yellow and inexperienced pins 1v5
You measure the inner resistance from the black leg to the crimson, inexperienced, blue, and yellow pins to see if they’re touched.
*ICH4 82801DB
* ICH7 82801GB
When you’ve got a diagram, please share it for everybody to know. Thanks everybody, want you the next and better talent stage.
Anh em còn sơ đồ chân chip thì chia sẻ nhé