Sdio/microsd card interface, Cpld interface, Tri-axis accelerometer example – Kontron pITX-SP User Manual
Page 3: Dos problems, Acpi thermal management, Acpi wakeup

User Information
p
ITX-SP Software Guide
Table of Contents
5
SDIO/microSD Card Interface............................................................ 15
5.1
DOS Boot...................................................................................................................15
5.2
Linux Boot.................................................................................................................15
5.3
Windows
®
XP and Windows
®
7 Boot.................................................................................16
5.4
Windows
®
XP Embedded or Windows
®
7 Embedded Boot......................................................16
6
CPLD Interface............................................................................... 17
6.1
Special Hints..............................................................................................................18
6.1.1
Reserved Bits.......................................................................................................................... 18
6.1.2
GPIO Input Register ................................................................................................................. 18
6.1.3
Fan Divisor ............................................................................................................................. 18
6.2
Programming Examples................................................................................................19
6.2.1
Watchdog Example................................................................................................................... 19
6.2.2
Digital I/O Example.................................................................................................................. 20
6.2.3
I2C with GPIOs Example ............................................................................................................ 21
6.2.4
GPIO IRQ Example.................................................................................................................... 27
6.2.5
Fan Control Example ................................................................................................................ 30
6.2.6
Fan Speed Example .................................................................................................................. 31
7
Tri-Axis Accelerometer Example ........................................................ 33
8
DOS Problems................................................................................ 36
8.1
Keyboard Driver..........................................................................................................36
8.2
DR-DOS 7.03 ..............................................................................................................36
8.3
Gate A20 and LAN Boot ................................................................................................36
9
ACPI Thermal Management............................................................... 37
9.1
Passive Cooling ..........................................................................................................37
9.2
Active Cooling ............................................................................................................37
9.3
Temperature Limits .....................................................................................................37
9.4
Temperature Identifier.................................................................................................37
10
ACPI Wakeup ................................................................................. 38
10.1
Wake On USB..............................................................................................................38
10.1.1
Windows
®
XP .......................................................................................................................... 38
10.1.2
Linux .................................................................................................................................... 38