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MODEL 1000
F.1
2350A CPU ASSEMBLY INTRODUCTION
The 2350A GC Controller CPU assembly has been designed to include all digital I/O and COM3 and
COM4 serial ports. This eliminates the requirement (and additional cost) for an I/O assembly or
DSPI/O assembly.
In addition, BOS is now resident in the DiskOnChip, instead of an EPROM set. The DiskOnChip
provides additional expanded memory for archiving data, instead of having to purchase a memory
expansion board assembly. The BOS file in the DiskOnChip may be upgraded in the field through
the MON2000 Software (refer to the MON2000 Software for Gas Chromatographs User Manual
P/N 3-9000-522 for BOS upgrade details).
Optional boards may be plugged directly into the PC/104 Bus (connectors J19 and J20) on the CPU
Board assembly. The COM4A Board provides four additional serial ports (COM5 through COM8).
A Modem Board and/or Ethernet Board may be also be plugged directly into the PC/104 Bus for
additional communications requirements. The PC/104 Bus is designed to allow any combination of
option boards to be installed in any order (refer to Figure F-1).
If you are using the CSA approved Radicom modem; ensure that it is the top card in the card
cage assembly. The connection configuration of the Radicom modem requires installation at
the top of the assembly.
2350 to 2350A CPU RETROFIT INSTRUCTIONS
APPENDIX F
2350 to 2350A CPU RETROFIT INSTRUCTIONS
SEP 2005
F-1
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