Intel DG41RQ Product Guide - Page 46

USB 2.0 Headers, Table 12. USB 2.0 Header Signal Names - shield

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Intel Desktop Board DG41RQ Product Guide USB 2.0 Headers Before connecting to the USB 2.0 headers, observe the precautions in "Before You Begin" on page 25. See Figure 20, G on page 42 for the location of the USB 2.0 headers. Table 12 shows the pin assignments for each USB 2.0 header. Each USB header can be used to connect two USB devices. Table 12. USB 2.0 Header Signal Names USB Port A Pin Signal Name Pin 1 Power (+5 V) 2 3 D- 4 5 D+ 6 7 Ground 8 9 Key 10 Note: USB ports may be assigned as needed. USB Port B Signal Name Power (+5 V) DD+ Ground No Connection NOTE Computer systems that have an unshielded cable attached to a USB port might not meet FCC Class B requirements, even if no device or a low-speed USB device is attached to the cable. Use a shielded cable that meets the requirements for a full-speed USB device. 46

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Intel Desktop Board DG41RQ Product Guide
46
USB 2.0 Headers
Before connecting to the USB 2.0 headers, observe the precautions in "Before You
Begin" on page 25.
See Figure 20, G on page 42 for the location of the USB 2.0
headers.
Table 12 shows the pin assignments for each USB 2.0 header.
Each USB
header can be used to connect two USB devices.
Table 12. USB 2.0 Header Signal Names
USB Port A
USB Port B
Pin
Signal Name
Pin
Signal Name
1
Power (+5 V)
2
Power (+5 V)
3
D-
4
D-
5
D+
6
D+
7
Ground
8
Ground
9
Key
10
No Connection
Note:
USB ports may be assigned as needed.
NOTE
Computer systems that have an unshielded cable attached to a USB port might not
meet FCC Class B requirements, even if no device or a low-speed USB device is
attached to the cable.
Use a shielded cable that meets the requirements for a
full-speed USB device.