Intel DH55TC Product Guide - Page 50

Front Panel USB 2.0 Headers, Table 11. Front Panel USB Header with Intel Z-U130 USB Solid-State Drive - shield

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Intel Desktop Board DH55TC Product Guide Front Panel USB 2.0 Headers Figure 23, G shows the location of the front panel USB 2.0 header (with Intel Z-U130 USB Solid-State Drive (or Compatible Device) Support) and Table 12 shows its pin assignments and signal names. Table 11. Front Panel USB Header (with Intel Z-U130 USB Solid-State Drive (or Compatible Device) Support) Signal Names Pin Signal Name 1 +5 VDC 3 D- 5 D+ 7 Ground 9 KEY (no pin) Pin Signal Name 2 +5 VDC 4 D- 6 D+ 8 Ground 10 LED# Figure 23, H shows the location of the standard front panel USB 2.0 header and Table 12 shows its pin assignments and signal names. Table 12. USB 2.0 Header Signal Names Pin Signal Name Pin 1 Power (+5 V) 2 3 D- 4 5 D+ 6 7 Ground 8 9 Key 10 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. 50

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Intel Desktop Board DH55TC Product Guide
50
Front Panel USB 2.0 Headers
Figure 23, G shows the location of the front panel USB 2.0 header (with Intel Z-U130
USB Solid-State Drive (or Compatible Device) Support) and Table 12 shows its pin
assignments and signal names.
Table 11. Front Panel USB Header (with Intel Z-U130 USB Solid-State Drive
(or Compatible Device) Support) Signal Names
Pin
Signal Name
Pin
Signal Name
1
+5 VDC
2
+5 VDC
3
D-
4
D-
5
D+
6
D+
7
Ground
8
Ground
9
KEY (no pin)
10
LED#
Figure 23, H shows the location of the standard front panel USB 2.0 header and
Table 12 shows its pin assignments and signal names.
Table 12. USB 2.0 Header Signal Names
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
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.