Index: disk.c
===================================================================
--- disk.c	(revision 69875)
+++ disk.c	(working copy)
@@ -502,8 +502,8 @@
         //
         AdapterDescriptor->Version = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
         AdapterDescriptor->Size = sizeof(STORAGE_ADAPTER_DESCRIPTOR);
-        AdapterDescriptor->MaximumTransferLength = MAXULONG; //FIXME compute some sane value
-        AdapterDescriptor->MaximumPhysicalPages = 25; //FIXME compute some sane value
+        AdapterDescriptor->MaximumTransferLength = 0x20000; //MAXULONG; //FIXME compute some sane value
+        AdapterDescriptor->MaximumPhysicalPages = 33;       //25;       //FIXME compute some sane value
         AdapterDescriptor->AlignmentMask = 0;
         AdapterDescriptor->AdapterUsesPio = FALSE;
         AdapterDescriptor->AdapterScansDown = FALSE;
Index: misc.c
===================================================================
--- misc.c	(revision 69875)
+++ misc.c	(working copy)
@@ -292,7 +292,7 @@
 
 {
     PURB Urb;
-    PUCHAR Buffer;
+    //PUCHAR Buffer;
     NTSTATUS Status;
 
     //
@@ -307,6 +307,7 @@
         return STATUS_INSUFFICIENT_RESOURCES;
     }
 
+#if 0   ////////////////////////////not used, not FreeItem()
     //
     // allocate 1-byte buffer
     //
@@ -319,6 +320,7 @@
         FreeItem(Buffer);
         return STATUS_INSUFFICIENT_RESOURCES;
     }
+#endif  //////////////////////////////////////////////////
 
     //
     // initialize vendor request
@@ -372,25 +374,46 @@
     //
     // execute request
     //
-    Status = USBSTOR_ClassRequest(DeviceObject, DeviceExtension, USB_BULK_GET_MAX_LUN, DeviceExtension->InterfaceInformation->InterfaceNumber, USBD_TRANSFER_DIRECTION_IN, sizeof(UCHAR), Buffer);
+    Status = USBSTOR_ClassRequest(
+                          DeviceObject,
+                          DeviceExtension,
+                          USB_BULK_GET_MAX_LUN,
+                          DeviceExtension->InterfaceInformation->InterfaceNumber,
+                          USBD_TRANSFER_DIRECTION_IN,
+                          sizeof(UCHAR),
+                          Buffer);
 
-    DPRINT("MaxLUN: %x\n", *Buffer);
+    DPRINT("USBSTOR_GetMaxLUN: USBSTOR_ClassRequest return Status - %x, MaxLUN - %x\n", Status, *Buffer);
 
-    if (*Buffer > 0xF)
+    if ( NT_SUCCESS(Status) )
     {
+        if (*Buffer > 0xF)
+        {
+            //
+            // invalid response documented in usb mass storage specification
+            //
+            Status = STATUS_DEVICE_DATA_ERROR;
+        }
+        else
+        {
+            //
+            // store maxlun
+            //
+            DeviceExtension->MaxLUN = *Buffer;
+        }
+   }
+   else
+   {
         //
-        // invalid response documented in usb mass storage specification
+        // "USB Mass Storage Class. Bulk-Only Transport. Revision 1.0"
+        // 3.2  Get Max LUN (class-specific request) :
+        // Devices that do not support multiple LUNs may STALL this command.
         //
-        Status = STATUS_DEVICE_DATA_ERROR;
-    }
-    else
-    {
-        //
-        // store maxlun
-        //
-        DeviceExtension->MaxLUN = *Buffer;
-    }
+        DeviceExtension->MaxLUN = 0;
 
+        Status = STATUS_SUCCESS;
+   }
+
     //
     // free buffer
     //