Added more details.

unsupported/umax-astra-2100u.html

@@ -31,23 +31,113 @@
     </p>
     <h2>Chipset</h2>
     <p>
+      "EK9840V TAC029913"
     </p>
     <h2>Comments</h2>
     <p>
-      Same scanners(?). Looks very similar to the <a
+      Looks very similar to the <a href="visioneer-onetouch4400.html">Visioneer
-	href="visioneer-onetouch4400.html">Visioneer Onetouch 4400</a> and other
+      Onetouch 4400</a> and other Primax scanners.
-      Primax scanners.
     </p>
     <h2>Output of /proc/bus/usb/devices or sane-find-scanner -v -v</h2>
     <pre>
 T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#=  4 Spd=12  MxCh= 0
-D:  Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
+D:  Ver= 1.00 Cls=00(&gt;ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
 P:  Vendor=1606 ProdID=0130 Rev= 1.00
 C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=100mA
-I:  If#= 0 Alt= 0 #EPs= 3 Cls=00(>ifc ) Sub=00 Prot=00 Driver=usbscanner
+I:  If#= 0 Alt= 0 #EPs= 3 Cls=00(&gt;ifc ) Sub=00 Prot=00 Driver=usbscanner
 E:  Ad=01(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
 E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
 E:  Ad=83(I) Atr=03(Int.) MxPS=   1 Ivl=1ms
+
+&lt;device descriptor of 0x1606/0x0130 at 002:002-1606-0130-00-00&gt;
+bLength               18
+bDescriptorType       1
+bcdUSB                1.00
+bDeviceClass          0
+bDeviceSubClass       0
+bDeviceProtocol       0
+bMaxPacketSize0       64
+idVendor              0x1606
+idProduct             0x0130
+bcdDevice             1.00
+iManufacturer         0 ()
+iProduct              0 ()
+iSerialNumber         0 ()
+bNumConfigurations    1
+ &lt;configuration 0&gt;
+ bLength              9
+ bDescriptorType      2
+ wTotalLength         39
+ bNumInterfaces       1
+ bConfigurationValue  1
+ iConfiguration       0 ()
+ bmAttributes         64 (Self-powered)
+ MaxPower             100 mA
+  &lt;interface 0&gt;
+   &lt;altsetting 0&gt;
+   bLength            9
+   bDescriptorType    4
+   bInterfaceNumber   0
+   bAlternateSetting  0
+   bNumEndpoints      3
+   bInterfaceClass    0
+   bInterfaceSubClass 0
+   bInterfaceProtocol 0
+   iInterface         0 ()
+    &lt;endpoint 0&gt;
+    bLength           7
+    bDescriptorType   5
+    bEndpointAddress  0x01 (out 0x01)
+    bmAttributes      2 (bulk)
+    wMaxPacketSize    64
+    bInterval         0 ms
+    bRefresh          0
+    bSynchAddress     0
+    &lt;endpoint 1&gt;
+    bLength           7
+    bDescriptorType   5
+    bEndpointAddress  0x82 (in 0x02)
+    bmAttributes      2 (bulk)
+    wMaxPacketSize    64
+    bInterval         0 ms
+    bRefresh          0
+    bSynchAddress     0
+    &lt;endpoint 2&gt;
+    bLength           7
+    bDescriptorType   5
+    bEndpointAddress  0x83 (in 0x03)
+    bmAttributes      3 (interrupt)
+    wMaxPacketSize    1
+    bInterval         1 ms
+    bRefresh          0
+    bSynchAddress     0
+
+&lt;trying to find out which USB chip is used&gt;
+    checking for GT-6801 ...
+    this is not a GT-6801 (bDeviceClass = 0)
+    checking for GT-6816 ...
+    this is not a GT-6816 (bDeviceClass = 0, bInterfaceClass = 0)
+    checking for MA-1017 ...
+    this is not a MA-1017 (bEndpointAddress = 0x1, bmAttributes = 0x2, wMaxPacketSize = 0x40, bInterval = 0x0)
+    checking for MA-1015 ...
+    this is not a MA-1015 (bDeviceClass = 0)
+    checking for MA-1509 ...
+    this is not a MA-1509 (bDeviceClass = 0)
+    checking for LM983[1,2,3] ...
+    this is not a LM983x (bDeviceClass = 0, bInterfaceClass = 0)
+    checking for GL646 ...
+    this is not a GL646 (bDeviceClass = 0, bInterfaceClass = 0)
+    checking for GL646_HP ...
+    this is not a GL646_HP (bDeviceClass = 0, bInterfaceClass = 0)
+    checking for GL660+GL646 ...
+    this is not a GL660+GL646 (bDeviceClass = 0, bInterfaceClass = 0)
+    checking for GL841 ...
+    this is not a GL841 (bDeviceClass = 0, bInterfaceClass = 0)
+    checking for ICM532B ...
+  check 1, this is not a ICM532B (bDeviceClass = 0, bInterfaceClass = 0)
+&lt;Couldn't determine the type of the USB chip&gt;
+
+found USB scanner (vendor=0x1606, product=0x0130) at libusb:002:002-1606-0130-00-00
     </pre>
     
     <h1>Want to add or correct information?</h1>