Intel DH57DD Intel Desktop Board DH57DD Product Guide English - Page 50

Front Panel USB 2.0 Headers, HD Audio Link Header, Table 18. USB 2.0 Header Signal Names

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Intel Desktop Board DH57DD Product Guide Front Panel USB 2.0 Headers Figure 22, K shows the location of the front panel USB 2.0 headers and Table 18 shows its pin assignments and signal names. Table 18. 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. HD Audio Link Header See Figure 22, L for the location of the HD Audio Link header. Table 19 shows the pin assignments for the header. Table 19. HD Audio Link Header Signal Names Pin Signal Name 1 BCLK 3 RST# 5 SYNC 7 SDO 9 SDI0 11 SDI1 13 No Connection 15 No Connection Pin Signal Name 2 Ground 4 3.3 Vcc 6 Ground 8 3.3 Vcc 10 +12 V 12 Key 14 3.3 V STBY 16 Ground 50

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Intel Desktop Board DH57DD Product Guide
50
Front Panel USB 2.0 Headers
Figure 22, K shows the location of the front panel USB 2.0 headers and Table 18
shows its pin assignments and signal names.
Table 18. 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.
HD Audio Link Header
See Figure 22, L for the location of the HD Audio Link header.
Table 19 shows the pin
assignments for the header.
Table 19. HD Audio Link Header Signal Names
Pin
Signal Name
Pin
Signal Name
1
BCLK
2
Ground
3
RST#
4
3.3 Vcc
5
SYNC
6
Ground
7
SDO
8
3.3 Vcc
9
SDI0
10
+12 V
11
SDI1
12
Key
13
No Connection
14
3.3 V STBY
15
No Connection
16
Ground