2807940 uATX Motherboard
Page 89
5.5.3 COM Port Pin 9 Voltage Setting Jumpers
Jumper Label:
J_COM_V2
,
J_COM_V3
and
J_COM_V4
Jumper Type:
3-pin header
Jumper Settings:
See
Table 5-3
Jumper Location:
See
Figure 5-10
The COM Port Pin 9 Voltage Setting jumpers configure pin 9 on COM 2/COM 3/COM 4 as
either a +5V or +12V power source. The COM Port Pin 9 Voltage Setting jumpers
selection options are shown in
Table 5-3
.
J_COM_V2
Description
Short 1 – 2
COM 2 RI Pin use +5V
Default
Short 2 – 3
COM 2 RI Pin use +12V
J_COM_V3
Description
Short 1 – 2
COM 3 RI Pin use +5V
Default
Short 2 – 3
COM 3 RI Pin use +12V
J_COM_V4
Description
Short 1 – 2
COM 4 RI Pin use +5V
Default
Short 2 – 3
COM 4 RI Pin use +12V
Table 5-4: COM Port Pin 9 Voltage Setting Jumper Settings
The COM Port Pin 9 Voltage Setting jumper locations are shown in
Figure 5-10
below.
Summary of Contents for 2807940
Page 1: ...x x 2807940 User s Manual Micro ATX Motherboard with LGA 775 Socket Version 1 0 ...
Page 17: ...2807940 uATX Motherboard Page 1 1 Introduction Chapter 1 ...
Page 24: ...2807940 uATX Motherboard Page 8 2 Detailed Specifications Chapter 2 ...
Page 55: ...2807940 uATX Motherboard Page 39 3 Unpacking Chapter 3 ...
Page 59: ...2807940 uATX Motherboard Page 43 4 Connector Pinouts Chapter 4 ...
Page 88: ...2807940 uATX Motherboard Page 72 5 Installation Chapter 5 ...
Page 120: ...2807940 uATX Motherboard Page 104 6 Intel AMT Configuration Chapter 8 ...
Page 130: ...2807940 uATX Motherboard Page 114 A Terminology Appendix A ...
Page 135: ...2807940 uATX Motherboard Page 119 B DIO Interface Appendix B ...
Page 138: ...2807940 uATX Motherboard Page 122 C Watchdog Timer Appendix C ...
Page 141: ...2807940 uATX Motherboard Page 125 D Address Mapping Appendix D ...
Page 144: ...2807940 uATX Motherboard Page 128 E Compatibility Appendix E ...
Page 147: ...2807940 uATX Motherboard Page 131 F Intel Matrix Storage Manager Appendix F ...
Page 161: ...2807940 uATX Motherboard Page 145 G Hazardous Materials Disclosure Appendix G ...