Specifications

1-8
Chapter 1: Product introduction
J1900I-C
1 2
2 3
+5V
(Default)
+5VSB
KBPWR
J1900I-C Keyboard power setting
J1900I-C
J1900I-C USB device wake up
21
2 3
+5V
(Default)
+5VSB
USBPWB
J1900I-C
J1900I-C USB device wake up
21
2 3
+5V
(Default)
+5VSB
USBPWF
3. USB device wake-up (3-pin USBPWB)
Setthisjumperto+5VtowakeupthecomputerfromS1sleepmode(CPUstopped,
DRAMrefreshed,systemrunninginlowpowermode)usingtheconnectedUSB
devices.Setto+5VSBtowakeupfromS3andS4sleepmodes(nopowertoCPU,
DRAMinslowrefresh,powersupplyinreducedpowermode).
2. Keyboard power (3-pin KBPWR)
Thisjumperallowsyoutoenableordisablethekeyboardwake-upfeature.Whenyou
setthisjumpertopins2–3(+5VSB),youcanwakeupthecomputerbypressingakey
onthekeyboard.ThisfeaturerequiresanATXpowersupplythatcansupplyatleast1A
onthe+5VSBlead,andacorrespondingsettingintheBIOS.
4. USB device wake-up (3-pin USBPWF)
Setthisjumperto+5VtowakeupthecomputerfromS1sleepmode(CPUstopped,
DRAMrefreshed,systemrunninginlowpowermode)usingtheconnectedUSB
devices.Setto+5VSBtowakeupfromS3andS4sleepmodes(nopowertoCPU,
DRAMinslowrefresh,powersupplyinreducedpowermode).