OKPOS Optimus - Page 64

System Boards
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Main Board 64
Speaker header (J_SPK1)
1 4
Pin Denition Pin Denition
1 SPK_R+ 2 SPK_L+
3 SPK_R- 4 SPK_L-
COM and SATA header (J_BD1)
20
2
19
1
Pin Denition Pin Denition
1 COM5_DCD# 2 +12V
3 COM5_RXD 4 COM5_DSR#
5 COM5_TXD 6 COM5_RTS#
7 COM5_DTR# 8 COM5_CTS#
9 COM5_RI# 10 +5V
11 GND 12 +5V
13 SATA_TX1+ 14 GND
15 SATA_TX1- 16 GND
17 SATA_RX1- 18 GND
19 SATA_RX1+ 20 GND
LPC header (J_LPC1)
Pin Denition Pin Denition
1 LFRAME# 2 LAD3
3 LAD2 4 LAD1
5 LAD0 6 GND
7 +3.3V 8 LCLK1
9 +3.3V
1
9