Added chipset information.

unsupported/reflecta-iscan-1800.html

@@ -30,8 +30,33 @@
       0x0120
     </p>
     <h2>Chipset</h2>
-    <p>
-    </p>
+    <pre>
+one chip:
+
+PS005
+92-005100-057
+FF98S-000
+0225
+
+next chip:
+
+GL640USB
+0222FF6F751-40
+
+smaller chip:
+
+OKI Japan
+M5 | 4400C-708J
+60855079A92
+
+yet another small chip:
+
+74HCT374D
+E1320 14
+Unn 0209 F
+(from Philips? Sign looks like Philips IIRC)
+
+    </pre>
     <h2>Comments</h2>
     <p>
     </p>