Technical Reference
61
• DMIC_CLK, DMIC_DATA: clock output and data I/O for digital microphone interface; allows
connection of a Digital Microphone.
• SCI/SMI GPIO: input signal for direct connection to a signal (such as a front panel push-
button) capable of triggering an OS-level command in Windows (formerly referred to by
Microsoft as Direct Application Launch*). Voltage level I/O for this pin is 3.3 V. Refer to below
URL for accompanying utility to map triggered event to Windows file.
https://downloadcenter.intel.com/Detail_Desc.aspx?lang=eng&DwnldID=22035
• I2Cx_CLK, I2Cx_DATA: Inter-Integrated Circuit (I
2
C) bus interface signals that allow connection
of low-speed peripherals. Voltage level I/O for these pins is 3.3V. An I
2
C bus specification and
user manual may be found at http://www.nxp.com/documents/user_manual/UM10204.pdf
.
• SMB_CLK, SMB_DATA, SMB_ALERT#: System Management Bus (SMBus) interface signals.
Voltage level I/O for these pins is 3.3 V. General SMBus information can be found on the
platform EDS and at http://smbus.org/specs/
.
Figure 17. Low Speed Custom Solutions Header
2.2.4.6 High Speed Custom Solutions Connector (0.4 mm Pitch)
The High Speed Customs Solution connector is designed to provide access to additional high
speed signals. It provides the equivalent of:
• One PCIe x4 port
• One 6.0 Gbps SATA port
The connector used is the Kyocera Series 6885 0.4 mm pitch FPC connector, p/n 00 6885 640
000 846.
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