1 5 v sata power connectors (sata_pwr1, sata_pwr2), 2 12 v power connector (cn3), 3 audio connector (audio1) – IEI Integration ECW-281B_D2550 User Manual
Page 95: Table 6-2: 5 v sata power connector pinouts, Table 6-3: 12 v power connector (cn3) pinouts, Table 6-4: audio connector (audio1) pinouts
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ECW-281B-D2550 Embedded System
Page 81
6.2.1 5 V SATA Power Connectors (SATA_PWR1, SATA_PWR2)
6.2.2 12 V Power Connector (CN3)
6.2.3 Audio Connector (AUDIO1)
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
Line-out_R
2
Line-in_R
3
AUD_GND
4
AUD_GND
5
Line-out _L
6
Line-in _L
7
AUD_GND
8
AUD_GND
9
MIC1_R
10
MIC1_L
PIN NO.
DESCRIPTION
1 +5V
2 Ground
Table 6-2: 5 V SATA Power Connector Pinouts
PIN NO.
DESCRIPTION
1 GND
2 GND
3 +12V
4 +12V
Table 6-3: 12 V Power Connector (CN3) Pinouts
Table 6-4: Audio Connector (AUDIO1) Pinouts
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