Via EPIA-EN12000EG User Manual - Page 27

Spdif1, Spdif2

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Serial ATA Connectors: SATA1 and SATA2 These next generation connectors support the thin Serial ATA cables for primary internal storage devices. The current Serial ATA interface allows up to 150MB/s data transfer rate, faster than the standard parallel ATA with 133 MB/s (Ultra DMA). Installation SATA1-2 Digital Audio Connectors: S/PDIF1 and S/PDIF2 These connectors for connecting the Sony Philips Digital Interface (S/PDIF) bracket. The S/PDIF output provides digital audio to external speakers or compressed AC3 data to an external Dolby Digital Decoder. The feature is available only with stereo system that has digital output function. SPDIF1 Pin Signal 1 +5V 2 S/PDIF Out 3 GND SPDIF1-2 1 SPDIF2 Pin Signal 1 +5V 2 S/PDIF In 3 GND System Management Bus Connector: SMBus This pin header allows you to connect SMBus (System Management Bus) devices. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface. Pin Signal 1 SMBCK 2 SMBDT 3 GND SMBUS 1 19

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Installation
19
Serial ATA Connectors:
SATA1 and SATA2
These next generation connectors support the thin Serial ATA
cables for primary internal storage devices.
The current Serial
ATA interface allows up to 150MB/s data transfer rate, faster
than the standard parallel ATA with 133 MB/s (Ultra DMA).
Digital Audio Connectors:
S/PDIF1 and S/PDIF2
These connectors for connecting the Sony Philips Digital Interface (S/PDIF)
bracket.
The S/PDIF output provides digital audio to external speakers or
compressed AC3 data to an external Dolby Digital Decoder.
The feature is
available only with stereo system that has digital output function.
SPDIF1
Pin
Signal
1
+5V
2
S/PDIF Out
3
GND
SPDIF2
Pin
Signal
1
+5V
2
S/PDIF In
3
GND
System Management Bus Connector:
SMBus
This pin header allows you to connect SMBus (System Management Bus)
devices.
Devices communicate with an SMBus host and/or other SMBus
devices using the SMBus interface
.
Pin
Signal
1
SMBCK
2
SMBDT
3
GND
SATA1-2
SPDIF1-2
1
SMBUS
1