Added chip information.

unsupported/canon-8400f.html

@@ -31,11 +31,20 @@
     </p>
     <h2>Chipset</h2>
     <p>
-      Genesys Logic GL841
+      Genesys Logic <a
+      href="http://www.genesyslogic.com/econtents/product02.asp?SN=48&amp;minicidx=3&amp;lastcidx=18">GL843</a>
+      (similar to GL841?)<br> <a
+      href="http://www.samsung.com/Products/Semiconductor/DRAM/SDRAM/SDRAMcomponent/64Mbit/K4S641632H/K4S641632H.htm">Samsung
+      K4S6411632H-UC75</a>, 64Mb, 4Mb x 16 x 4 banks SDRAM = 8MB<br>
+      Wolfson <a
+	href="http://www.wolfsonmicro.com/products/digital_imaging/WM8199/">WM8199CDS image digitizer</a><br>
+      Allegro <a href="http://www.allegromicro.com/sf/3967/">A3967SLB</a> microstepping motor driver<br>
+      Allegro <a href="http://www.allegromicro.com/sf/6219/">L6219DS</a> Dual full-bridge PWM motor driver.
     </p>
     <h2>Comments</h2>
     <p>
-      With transparency adapter.
+      With transparency adapter. The 8400F supports 3200x6400 scanning and any
+      transparency up to 6x22cm.
     </p>
     <h2>Output of /proc/bus/usb/devices or sane-find-scanner -v -v or lsusb -vv</h2>
     <pre>