Universal Serial Bus (Usb) Connectors - NEC SP B-Series Service And Reference Manual

Pin Signal
A29 AD20
A30 Ground
A31 AD18

Universal Serial Bus (USB) Connectors

The following table lists the pin assignments and signal names for the USB
connectors.
Pin
1
2
3
4
B-16 Connector Pin Assignments
PCI Expansion Slot Pin Assignments
Pin Signal
B29 AD21
B30 AD19
B31 +3.3V
USB Connectors
Signal Name
Power
USBP0# (USBP1#)
USBP0 (USBP1)
Ground
Pin Signal
A60 REQ64C#
A61 +5V
A62 +5V
Pin Signal
B60 ACK64C#
B61 +5V
B62 +5V