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4 pin device plug / 9 pin usb header ? How to connect

J

jazzisjazz

Senior member
Mitsumi fa404m floppy & usb card reader
- 4 pin plug

+5vdc
data+
data-
ground

soyo dragon 2 plus v1.0 motherboard

nine pin usb header

verg_fp_usbpwr0=pin1
verg_fp_usbpwr0=pin2
usb_fp_p0-=pin3
usb_fp_p1-=pin4
usb_fp_p0+=pin5
---------------------------
usb_fp_p1+=pin6
ground=pin7
ground=pin8
key=pin9
usb_fp_oc0 =pin10

what do the abbreviations stand for? verg, fp,po,p1,oc0

how should the 4pin connector be attached to the usb header?
any help appreciated

jazzisjazz


 
Many of the pins on the header are redundant. This is because NORMALLY you connect two seperate sockets to them, so each has it's own ground and +5vdc line, and each has it's own data wire. You're only going to use ONE of the two USB data lines which is why you only have 4 pins.

USE THIS WIRING:

+5vdc = verg_fp_usbpwr0 (either one, they're both the same)
ground = ground (either one they're both the same)
data+ = usb_fp_p0+
data- = usb_fp_p0-

BE CAREFUL!!!! Make sure you have it wired correctly or you can damage the motherboard.


 
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