Changes between Version 7 and Version 8 of sbcrevisions

Timestamp:

06/06/2018 09:52:20 PM (6 years ago)

Author:

Ryan Erbstoesser

Comment:

add year for 2388

sbcrevisions

@@ -378 +378 @@
 == GW2388-4 ==
 === Revision A ===  
-Date: 12/09
+Date: 12/2009
  * Initial Release 
 
 === Revision B ===  
-Date: 05/10
+Date: 05/2010
 
  * Improve GSC battery circuit to increase battery life
@@ -391 +391 @@
 
 === Revision C ===
-Date: 12/10
+Date: 12/2010
  * Change watchdog timer circuit to ensure narrow pulse width generates reset
  * Add ARM processor digital I/O control of USB voltage generator
@@ -401 +401 @@
  * Add filter capacitors to LED, reset, and tamper switch connectors to reduce radiated emissions.
 === Revision D === 
-Date: 09/11
+Date: 09/2011
  * Increase default DDR2 memory size from 128Mytes to 256Mbytes due to price reduction in newer parts
  * Replace core voltage switchers with newer devices that do not require the reset generator for under voltage lockout
  * Update primary 3.3V switcher with newer Mosfets and Inductor to improve efficiency by 10% and improve transient response for supporting higher power radios.
 === Revision E === 
-Date: 08/12
+Date: 08/2012
  * Change the Mini-PCIe bridge reset from system reset to ARM Processor GPIOA11 to ensure it remains low until after the PCIe clock is valid.
 === Revision F === 
-Date: 12/12
+Date: 12/2012
  * Terminate unused PCIe bridge inputs to correct for TI design flaw that potentially locks up the bridge at low temperature and high humidity environments 
  * Replace bipolar transistor used to drive fan with a MOSFET device for increased current capability
  * Add passive filter to JTAG system reset input to reduce EMI sensitivity.
 === Revision G ===
-Date: 12/13
+Date: 12/2013
  * Replace ARM processor clock with an external clock generator to reduce jitter on PCIe differential clocks
  * Add diodes to the PoE return paths on both channels for full isolation when being powered by an 802.3 switch
  * Replace N-channel MOSFET used to drive fan with a P-channel device for proper control.
 === Revision H === 
-Date: 02/14
+Date: 02/2014
  * Move the PCIe interrupts from processor digital I/O signals to dedicated interrupts for improved interrupt capability
 = Other SBC Families =