CHAPTER 7 - Chapter 7 Watch-Dog-Timer (WDT) Setting
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SPI-8450-LLVA
Here is a example for programming Watch dog timeout in "debug" mode.
o 2e 87
: Output data 87h to I/O address 2eh.
i 2f
: Input data from I/O address 2fh.
Start WDT
o 2e 87
o 2e 87
o 2e 2b
o 2f 0d
o 2e 07
o 2f 08
o 2e 30
o 2f 01
o 2e f5
o 2f 00
;00(unit for second)
o 2e f6
o 2f xx ;any value by user select(xx: 01h=1sec. – FFh=255sec.)
o 2e f7
i 2f
;bit4=1:detect time up of WDT, =0:run WDT
Stop WDT
o 2e f6
o 2f 00
o 2e f7
o 2f 00
Note:
The timer’s intervals have a tolerance of ± 2 seconds.
Summary of Contents for SPI-8450-LLVA
Page 7: ...Table of Contents vi SPI 8450 LLVA...
Page 37: ...CHAPTER 3 Jumper setting 30 SPI 8450 LLVA...
Page 43: ...CHAPTER 5 BIOS SETUP 36 SPI 8450 LLVA...
Page 79: ...CHAPTER 6 RAID Controller 72 SPI 8450 LLVA...
Page 97: ...CHAPTER 8 BIOS Setup 90 SPI 8450 LLVA 8 6 Integrated Peripherals...
