Contents
5
BMC LED Control ................................................................................................................................. 42
Field Replaceable Unit Information ...................................................................................................... 42
System Event Log Information ............................................................................................................. 42
SMBus Address Map ................................................................................................................................. 42
6. IDE Controller ................................................................................................................................................ 44
Features of the IDE Controller................................................................................................................... 44
Disk Drive Support..................................................................................................................................... 44
Primary IDE Channel............................................................................................................................ 44
Secondary IDE Channel ....................................................................................................................... 44
I/O Mapping ............................................................................................................................................... 45
CompactFlash Carrier................................................................................................................................ 45
Device Drivers ........................................................................................................................................... 45
7. Watchdog Timer ............................................................................................................................................ 46
Watchdog Timer Overview ........................................................................................................................ 46
Power Up Initialization .......................................................................................................................... 47
Timeout Values..................................................................................................................................... 47
Using the Watchdog in an Application....................................................................................................... 47
Watchdog Reset ................................................................................................................................... 47
Enabling the Watchdog Reset ....................................................................................................... 47
Setting the Terminal Count ............................................................................................................ 48
Strobing the Watchdog .................................................................................................................. 48
Watchdog NMI...................................................................................................................................... 48
Chaining the ISRs .......................................................................................................................... 49
Enabling the Watchdog NMI .......................................................................................................... 49
NMI Handler ................................................................................................................................... 50
8. BIOS Recovery.............................................................................................................................................. 51
Flash .......................................................................................................................................................... 51
BIOS Recovery Module ............................................................................................................................. 52
Flash Utility Program ............................................................................................................................ 52
A. Specifications ................................................................................................................................................ 53
Electrical and Environmental ..................................................................................................................... 53
Absolute Maximum Ratings.................................................................................................................. 53
DC Operating Characteristics............................................................................................................... 53
Battery Backup Characteristics ............................................................................................................ 54
Operating Temperature ........................................................................................................................ 54
Reliability ................................................................................................................................................... 54
Mechanical................................................................................................................................................. 55
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