Owner's manual

User Information
pITX-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