Intel BLKDQ45CB Product Guide - Page 49

Front Panel Header, USB 2.0 Headers, Table 12. Front Panel Header Signal Names

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Installing and Replacing Desktop Board Components Front Panel Header See Figure 22, F for the location of the multi-colored front panel header. Table 12 shows the pin assignments for the front panel header. Table 12. Front Panel Header Signal Names Pin Description In/Out Pin Description Hard Drive Activity LED Power LED 1 Hard disk LED pull-up to +5 V Out 2 Front panel green LED 3 Hard disk active LED Out 4 Front panel yellow LED Reset Switch On/Off Switch 5 Ground 6 Power switch 7 Reset switch In 8 Ground Power Not Connected 9 Power Out 10 No pin In/Out Out Out In USB 2.0 Headers See Figure 22, G for the location of the three USB 2.0 headers. Table 13 shows the pin assignments for each USB 2.0 header. Each USB header can be used to connect two USB devices. Table 13. 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. 49

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Installing and Replacing Desktop Board Components
49
Front Panel Header
See Figure 22, F for the location of the multi-colored front panel header.
Table 12
shows the pin assignments for the front panel header.
Table 12. Front Panel Header Signal Names
Pin
Description
In/Out Pin Description
In/Out
Hard Drive Activity LED
Power LED
1
Hard disk LED pull-up to +5 V Out
2
Front panel green LED
Out
3
Hard disk active LED
Out
4
Front panel yellow LED
Out
Reset Switch
On/Off Switch
5
Ground
6
Power switch
In
7
Reset switch
In
8
Ground
Power
Not Connected
9
Power
Out
10
No pin
USB 2.0 Headers
See Figure 22, G for the location of the three USB 2.0 headers.
Table 13 shows the
pin assignments for each USB 2.0 header.
Each USB header can be used to connect
two USB devices.
Table 13. 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.