Ionics Instruments 2004 Page D - 4 DLM 30007-08 Rev. A
Firmware Installation
Print the current memory constants:
1. Connect an IBM-compatible printer to the printer port of the TOC
analyzer.
2. From the MAIN menu, choose SETUP.
3. From the SETUP menu, choose PRINTER.
4. From the PRINTER menu, choose PRINT CONSTANTS.
5. Once all the constants are printed press CLEAR twice to return to the
MAIN menu.
Replacing the EEPROM Chip (IC chip)
1. Turn off the analyzer power and disconnect the power cord.
2. Lift the analyzer cover and locate the main electronic board.
3. Depending on the type of chip holder in the analyzer, different
techniques are required to replace the existing EEPROM with the
EEPROM labeled 2.11 CBI or later. Facing the analyzer’s front
panel, locate the IC socket on the left side of the main electronics
board near the rear of the analyzer. If the chip socket has a metal
lever at the top, it is a Zero Insertion Force socket. If the chip socket
does not have a lever, it is a low profile type socket. Figure D-3
illustrates the low profile socket. Use the appropriate instruction
below to replace the chip:
Replacing the IC Chip from an Zero Insertion Force-type Socket –
There is a small brass lever on the socket to secure the IC chip. It
should be in the locked position (end of the lever close to the PC
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