Aaeon PFM-336I, Manual

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Chapter 2 Quick Installation Guide 2 - 10
2.13 RS-232/422/485 COM2 Setting (J5 & J6)
J5 J6 Function
1-2, 4-5, 7-8, 10-11 1-2 RS-232 (Default)
2-3, 5-6, 8-9, 11-12 3-4 RS-422
2-3, 5-6, 8-9, 11-12 5-6 RS-485
2.14 IDE Hard Drive Connector (CN1)
Pin Signal Pin Signal
1 Reset 2 GND
3 HD7 4 HD8
5 HD6 6 HD9
7 HD5 8 HD10
9 HD4 10 HD11
11 HD3 12 HD12
13 HD2 14 HD13
15 HD1 16 HD14
17 HD0 18 HD15
19 GND 20 NC
21 NC 22 GND
23 IOW# 24 GND
25 IOR# 26 GND
27 IORDY 28 BALE
29 VCC 30 GND
31 IRQ14 32 -I/O 16
33 SA1 34 NC
35 SA0 36 SA2
37 HDCS0 38 HDCS1
39 -ACT 40 GND
41 VCC 42 VCC
43 GND 44 NC