NSLU2-Linux
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DSMG600.GPIOConnections History

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November 24, 2006, at 02:18 AM by mwester -- formatting
Changed lines 1-2 from:
 The IXP420 CPU has 16 General Purpose Input/Output (GPIO) pins which are used to interface to external hardware.  In the case of the DSM-G600, the GPIO pins are used to monitor the buttons, control some of the LEDs, connect to the RTC, IDE controller and USB 2.0 controller.
to:

The IXP420 CPU has 16 General Purpose Input/Output (GPIO) pins which are used to interface to external hardware. In the case of the DSM-G600, the GPIO pins are used to monitor the buttons, control some of the LEDs, connect to the RTC, IDE controller and USB 2.0 controller.

Restore
November 05, 2006, at 08:06 PM by mwester -- Additional Info
Changed lines 7-8 from:
GPIO[2]Power Control Output
GPIO[3]Reset Button Input
to:
GPIO[2]Power Control (1 = Turn Power Off) Output
GPIO[3]Reset Button (IRQ 20) (0 = Pressed) Input
Changed line 11 from:
GPIO[6]PCI INTF (IRQ ?) Input
to:
GPIO[6]PCI INTF (IRQ 23) Input
Changed line 17 from:
GPIO[12]Hardware Reset Output
to:
GPIO[12]Hardware Reset Output?
Changed lines 19-21 from:
GPIO[14]WLAN LED Output
GPIO[15]Power Button Input
to:
GPIO[14]WLAN LED (0 = On) Output
GPIO[15]Power Button (1 = Pressed) Input
Restore
November 05, 2006, at 07:26 PM by mwester -- Redid as a table
Changed lines 1-19 from:
 GPIO    Function
 0       Power LED (0=Blink, 1=on)
 1       ??
 2       Power Control
 3       Reset Sense
 4       I2C? SCL
 5       I2C? SDA
 6       PCI INTF
 7       PCI INTE
 8       PCI INTD
 9       PCI INTC
 10      PCI INTB
 11      PCI INTA
 12      Hardware Reset
 13      PCI Reset
 14      WLAN LED
 15      Power Sense

 3 additional LED's:
to:
 The IXP420 CPU has 16 General Purpose Input/Output (GPIO) pins which are used to interface to external hardware.  In the case of the DSM-G600, the GPIO pins are used to monitor the buttons, control some of the LEDs, connect to the RTC, IDE controller and USB 2.0 controller.
GPIOFunctionConnected to:Configured as:
GPIO[0]Power LED (0 = Blink 1 = On) Output
GPIO[1]??  
GPIO[2]Power Control Output
GPIO[3]Reset Button Input
GPIO[4]I²C SCLRTC - SCL 
GPIO[5]I²C SDARTC - SDA 
GPIO[6]PCI INTF (IRQ ?) Input
GPIO[7]PCI INTE (IRQ 24) Input
GPIO[8]PCI INTD (IRQ 25) Input
GPIO[9]PCI INTC (IRQ 26) Input
GPIO[10]PCI INTB (IRQ 27) Input
GPIO[11]PCI INTA (IRQ 28) Input
GPIO[12]Hardware Reset Output
GPIO[13]PCI Reset Output
GPIO[14]WLAN LED Output
GPIO[15]Power Button Input
 3 additional LEDs exist, but do not have corresponding GPIO Connections:
Restore
February 24, 2006, at 01:06 AM by dyoung -- GPIO
Added lines 1-22:
 GPIO    Function
 0       Power LED (0=Blink, 1=on)
 1       ??
 2       Power Control
 3       Reset Sense
 4       I2C? SCL
 5       I2C? SDA
 6       PCI INTF
 7       PCI INTE
 8       PCI INTD
 9       PCI INTC
 10      PCI INTB
 11      PCI INTA
 12      Hardware Reset
 13      PCI Reset
 14      WLAN LED
 15      Power Sense

 3 additional LED's:
 HDD
 HDD-Full
 USB
Restore
view · edit · print · history · Last edited by mwester.
Based on work by mwester.
Originally by dyoung.
Page last modified on November 24, 2006, at 02:18 AM