是从料板找个二极管补上,再次上电开机,ok一切正常了。 作者: 源仓a 时间: 2015-4-14 14:00
是人为搞的,还是掉件了?作者: 句容诚信电脑 时间: 2015-4-14 22:13
楼主怎么不给大家解释一下 EXTPWR这个信号的作用呢作者: ganggangpc 时间: 2015-4-15 09:22
EXTPWR 13
Valid adapter active-low detect logic open-drain output. Pulled LO when Input voltage is above ACDET programmed
threshold OR input current is greater than 1.25 A with 10 m.
sense resistor. Connect a 10 k.
pull-up resistor from
EXTPWR pin to pull-up supply rail作者: 空明澄澈 时间: 2015-4-15 09:29
ganggangpc 发表于 2015-4-15 09:22
EXTPWR 13
Valid adapter active-low detect logic open-drain output. Pulled LO when Input voltage is ...