More details about that scanner.

unsupported/hp-photosmart-s20xi.html

@@ -15,7 +15,8 @@
     <h1>Scanners not supported by SANE</h1>
     <h2>Manufacturer and model</h2>
     <p>
-      Hewlett-Packard Photosmart S20xi (C5101A)
+      Hewlett-Packard Photosmart S20 (C5101A)<br>
+      Hewlett-Packard Photosmart S20xi (C7150A)<br>
     </p>
     <h2>Bus type</h2>
     <p>
@@ -37,8 +38,25 @@
       A <a href="http://sourceforge.net/projects/hps20xi/">backend for this
       scanner</a> is being developed ("hps20").
     </p>
+    <p>
+      Film scanner for 35 mm film and prints.
+    </p>
+    <p>
+      Are the S20 and S20xi the same scanners?
+    </p>
     <h2>Output of /proc/bus/usb/devices or sane-find-scanner -v -v</h2>
     <pre>
+S20:
+T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#=  2 Spd=12  MxCh= 0
+D:  Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
+P:  Vendor=03f0 ProdID=0102 Rev= 0.14
+S:  Product=HP PhotoSmart C5101A - S20
+S:  SerialNumber=C0166566
+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
+E:  Ad=81(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
+E:  Ad=02(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
+E:  Ad=83(I) Atr=03(Int.) MxPS=   1 Ivl=16ms
     </pre>
     
     <h1>Want to add or correct information?</h1>