Index: Source/cifXHWFunctions.c
===================================================================
--- Source/cifXHWFunctions.c	(revision 6242)
+++ Source/cifXHWFunctions.c	(working copy)
@@ -23,6 +23,8 @@
 
      Version   Date        Author   Description
      ----------------------------------------------------------------------------------
+     40        07.04.2014  MT       Bus synchronous host flags may be out of sync with DPM on flash based-devices or after a system reset,
+                                    resulting in timeouts from xChannelSyncState, and missing sync callbacks
      39        05.03.2014  MT       DEV_WaitForBitState_Poll / DEV_WaitForSyncState_Poll may wait an additional cycle
      38        16.10.2013  RM       DEV_TransferPacket() does not call receive callback if command and answer not correspond
      37        11.02.2013  MT       Removed unneccessary readout of Sync handshake cells in DEV_IsReady/DEV_IsRunning/
@@ -730,12 +732,22 @@
 /*****************************************************************************/
 void DEV_ReadHostFlags(PCHANNELINSTANCE ptChannel, int fReadHostCOS)
 { 
+  PDEVICEINSTANCE ptDevInstance = (PDEVICEINSTANCE)ptChannel->pvDeviceInstance;
+
   if(ptChannel->bHandshakeWidth == RCX_HANDSHAKE_SIZE_8BIT)
     ptChannel->usHostFlags = HWIF_READ8(ptChannel->pvDeviceInstance, ptChannel->ptHandshakeCell->t8Bit.bHostFlags);
   else
     ptChannel->usHostFlags = LE16_TO_HOST(HWIF_READ16(ptChannel->pvDeviceInstance, ptChannel->ptHandshakeCell->t16Bit.usHostFlags));
-  
-  
+
+  /* Also read host sync flags, as they might not be set to zero on flash based devices */
+  if( (ptDevInstance->pbHandshakeBlock != NULL) &&
+      (ptChannel->fIsSysDevice) )
+  {
+    NETX_HANDSHAKE_ARRAY* ptHandshakeBlock = (NETX_HANDSHAKE_ARRAY*)ptDevInstance->pbHandshakeBlock;
+
+    ptDevInstance->tSyncData.usHSyncFlags = ptHandshakeBlock->atHsk[1].t16Bit.usHostFlags;
+  }
+
   if(NULL != ptChannel->ptCommonStatusBlock)
     ptChannel->ulDeviceCOSFlags = LE32_TO_HOST(HWIF_READ32(ptChannel->pvDeviceInstance, ptChannel->ptCommonStatusBlock->ulCommunicationCOS));
 
Index: version_history.txt
===================================================================
--- version_history.txt	(revision 6243)
+++ version_history.txt	(working copy)
@@ -4,6 +4,11 @@
 Known Problems:
  - Automatic file upload for PCI hardware not implemented
 
+under development
+-----------------
+ - xChannelSyncState may not work on flash-based devices (if not reset is done during initialization)
+   or after xSysdeviceReset
+
 V1.1.5.0
 -----------------
  - DEV_TransferPacket() may drop unexpected packets