Added chipset information.

unsupported/xerox-4800-onetouch.html

@@ -15,7 +15,7 @@
     <h1>Scanners not supported by SANE</h1>
     <h2>Manufacturer and model</h2>
     <p>
-      Xerox 4800 One Touch
+      Xerox 4800 One Touch, also known as Xerox Onetouch 4800
     </p>
     <h2>Bus type</h2>
     <p>
@@ -30,8 +30,23 @@
       0x03a0
     </p>
     <h2>Chipset</h2>
-    <p>
-    </p>
+    <pre>
+There are 4 SMD devices on the PCB:
+
+L6219DS Motor driver
+
+EliteMT M11B416256A 256Kx16 DRAM
+
+a large QFP SMD with a heatsink, marked:
+610800006021
+0529-0601
+FN8MK-000
+
+a small QFTP SMD, marked:
+
+61080001029 (possibly 4 zeros- very small print!)
+0521MJT23
+    </pre>
     <h2>Comments</h2>
     <p>
       There is also a "Xerox One Touch 4800" which has a different product