Appendix A – Watchdog Timer Programming
54
3.5
” S
ub
co
mp
act
Bo
ard
G
ENE
-Q
M7
7 Rev
. A
(2) Modify the data of configuration registers; (3) Exit the MB PnP Mode. Undesired
result may occur if the MB PnP Mode is not exited normally.
(1) Enter the MB PnP Mode
To enter the MB PnP Mode, four special I/O write operations are to be performed
during Wait for Key state. To ensure the initial state of the key-check logic, it is
necessary to perform four write operations to the Special Address port (2EH). Two
different enter keys are provided to select configuration ports (2Eh/2Fh) of the next
step.
(2) Modify the Data of the Registers
All configuration registers can be accessed after entering the MB PnP Mode. Before
accessing a selected register, the content of Index 07h must be changed to the LDN to
which the register belongs, except some Global registers.
(3) Exit the MB PnP Mode
Set bit 1 of the configure control register (Index=02h) to 1 to exit the MB PnP Mode.
Summary of Contents for GENE-QM77
Page 1: ...Last Updated April 12 2016 GENE QM77 Rev A 3 5 Subcompact Board User s Manual 4th Ed...
Page 14: ...3 5 Subcompact Board GENE QM77 Rev A Chapter 1 Chapter 1 Product Specifications...
Page 18: ...3 5 Subcompact Board GENE QM77 Rev A Chapter 2 Chapter 2 Hardware Information...
Page 20: ...Chapter 2 Hardware Information 7 3 5 Subcompact Board GENE QM77 Rev A Solder side...
Page 22: ...Chapter 2 Hardware Information 9 3 5 Subcompact Board GENE QM77 Rev A Solder side Solder Side...
Page 58: ...3 5 Subcompact Board GENE QM77 Rev A Chapter 3 Chapter 3 AMI BIOS Setup...
Page 61: ...3 5 Subcompact Board GENE QM77 Rev A Chapter 4 Chapter 4 Drivers Installation...
Page 65: ...3 5 Subcompact Board GENE QM77 Rev A Appendix A Appendix A Watchdog Timer Programming...
Page 75: ...3 5 Subcompact Board GENE QM77 Rev A Appendix B Appendix B I O Information...
Page 76: ...Appendix B I O Information 63 3 5 Subcompact Board GENE QM77 Rev A B 1 I O Address Map...
Page 77: ...Appendix B I O Information 64 3 5 Subcompact Board GENE QM77 Rev A...
Page 78: ...Appendix B I O Information 65 3 5 Subcompact Board GENE QM77 Rev A B 2 Memory Address Map...
Page 79: ...Appendix B I O Information 66 3 5 Subcompact Board GENE QM77 Rev A B 3 IRQ Mapping Chart...
Page 80: ...Appendix B I O Information 67 3 5 Subcompact Board GENE QM77 Rev A B 4 DMA Channel Assignments...
Page 81: ...3 5 Subcompact Board GENE QM77 Rev A Appendix C Appendix C Mating Connectors...
Page 84: ...3 5 Subcompact Board GENE QM77 Rev A Appendix D Appendix D RAID AHCI Settings...