DIMM168
A simple "168pin RAM module" ID programmer

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DIMM168 is a simple, stand-alone multi-slot RAM module programmer. It is dedicated to supports the "3.3V 168pin RAM module" ID programming. It can read the slot-0 module's ID into the on-board EEPROM, and copy/verify its content to/with all the eight modules.

DIMM168 Operation Guide(V2.2)

1. LED Lamp indicator:
   Green LED: The main power(5V) indication.
   Yellow LED: The RAM module's slot is power on(3.3V) and operation is in progress.
                          Don't plug in/out the RAM module when this lamp is on.
   Red LED: Operation result indication. LED lights if it fails.
2. Master IC: Socket U6(5V, DIP8, AT24C02).
3. Use #1 of DIP switch S1 to select the required Operation:
  (1) Copy Mode: SW1 OFF.(default setting)
       (1-a) A normal depression on the key switch S2:
               Copy the content of the Master U6 to all modules, then verify them.
       (1-b) Depress-and-hold the key switch S2 until a beep sound start:
               Verify the content of the Master U6 with all modules.
   (2) Read Mode: SW1 ON.
       (2-a) Depress-and-hold the key switch S2 until a beep sound start:
               Read-in the data of the RAM module in slot 0(the one near the PCB edge)
               and store into the Master U6, then verify it.(Note: return the SW1 to OFF state
               immediately after the read-in action, to prevent mis-operateing action).
4. Use #2 of DIP switch S1 to select the write algorithm(new features in V2.2):
    (1) Page write: SW2 OFF.(default setting)
         Write device by using page-write algorithm.
    (2) Byte write: SW2 ON.
         Write device by using byte-write algorithm. (It will spend more time on writing)