Intel BLKDG45ID Product Guide - Page 49
IEEE 1394a Header, Connecting to the Audio System
UPC - 735858200394
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Installing and Replacing Desktop Board Components IEEE 1394a Header See Figure 21, K for the location of the IEEE 1394a header. Table 15 shows the pin assignments for the header. Table 15. IEEE 1394a Header Signal Names Pin Signal Name 1 TPA1+ 3 Ground 5 TPA2+ 7 +12 V 9 Key (no pin) Pin Signal Name 2 TPA1- 4 Ground 6 TPA2- 8 +12 V 10 Ground Connecting to the Audio System After installing the IDT audio driver from the Intel Express Installer DVD-ROM, the multi-channel audio feature can be enabled. Figure 22 shows the back panel audio connectors. Item Description A Rear Surround Left/Right B Center Channel and LFE (Subwoofer) C Side Surround/Line In D Line Out E Mic In F S/PDIF Digital Audio Out (Optical) Figure 22. Back Panel Audio Connectors 49