Usb Connector - HP Compaq dx6100 Series Technical Reference Manual

Input/Output Interfaces
USB Control
The USB is controlled through I/O registers as listed in table 5-21.
I/O Address
00, 01h
02, 03h
04, 05h
06, 07
08, 0B
0Ch
10, 11h
12, 13h
18h

5.7.3 USB Connector

These systems provide type-A USB ports as shown in Figure 5-10 below.
Figure 5-10. Universal Serial Bus Connector (Female)
Pin
1
2
5-28
Table 5-21.
USB Control Registers
Register
Command
Status
Interupt Enable
Frame Number
Frame List Base Address
Start of Frame Modify
Port 1 Status/Control
Port 2 Status/Control
Test Data
1
Signal Description
Vcc +5 VDC
USB- Data (minus)
Default Value
0000h
0000h
0000h
0000h
0000h
0080h
0080h
2 3 4
Table 5-22.
USB Connector Pinout
Pin Signal
3 USB+
4 GND
361834-001
40h
00h
Description
Data (plus)
Ground
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