Intel BX80580Q9400 User Manual - Page 67
A.4.1, Mott Canyon 4 Jumper Settings
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Add-In Cards Figure 17. Mott Canyon 4 Interposer Card A.4.1 Mott Canyon 4 Jumper Settings The Mott Canyon 4 Interposer has the ability to select either Primary or Secondary Intel HD Audio functionality for MDC0 and MDC1 connectors with two jumper options, J16 and J25. See the Table 22 below for details. MDC2 supports an Intel® High Definition Audio modem-only codec. The ICH9M-E SFF supports up to 4 SDATA_IN channels (0, 1, 2 & 3). MC4 supports three channels (0, 1 &2) of codecs. Mapping of four ICH9M-E SFF channels on MC4 card can be done using strapping resistors on the development board. Three jumpers: J27, J28, and J29 are used to select the appropriate SDATA_IN channel for MDC. The default and optional mapping of SDATA_IN signals are shown in the following table. Please be aware that SDATA_IN channels 1 and 2 can also be overridden via jumpers on the evaluation platform. If either SDATA_IN1 or SDATA_IN2 are not shunted properly on the evaluation platform, these lines will not be available to the Mott Canyon 4 Interposer Card. Proper operation of the Intel HD Audio interface requires that only one SDATA_IN line to be routed to one codec at a time. Development Kit User's Manual 67