Intel BLKDP45SG Product Guide - Page 49
USB 2.0 Headers, Serial Port Header, Table 14. USB 2.0 Header Signal Names
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UPC - 735858200363
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Installing and Replacing Desktop Board Components USB 2.0 Headers Figure 23, J shows the location of the USB 2.0 headers. Table 14 shows the pin assignments and signal names for each USB 2.0 header. Each USB header can be used to connect two USB devices. Table 14. 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. Serial Port Header See Figure 23, E for the location of the serial port header. Table 15 shows the pin assignments for the header. Table 15. Serial Port Header Signal Names Pin Signal Name 1 DCD 3 TXD# 5 Ground 7 RTS 9 RI Pin Signal Name 2 RXD# 4 DTR 6 DSR 8 CTS 10 No Connection 49
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