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Specifications
The following table lists the specifications for the CPU that is used on the 203-7810 Engine Monitoring Control Group and the 203-7811 Engine Monitoring Control Group.
Table 1
Item    Description    
Socket 7 Processor     Intel Pentium MMX 233 MHz    
BIOS     Phoenix OEM BIOS
256 K X 8 flash EPROM (boot ROM)    
Main Memory     Up to 256 Mbytes DRAM (one 168 pin DIMM socket)
60 ns 3.3 V EDO / SDRAM with ECC
60 and 66 MHz bus speeds    
L2 Cache Memory     512 KB pipeline burst static RAM    
Chipsets     Acer M1531B North Bridge
Acer M1543B South Bridge    
Video Interface     Chips & Technologies CHIPS 65550
2 Mbytes VGA local memory
Internal LVDS interface to indicator panel
External HD15 CRT (analog monitor) connector    
Ethernet     PCI 10/100 BaseT
Intel 82559 MAC
Filtered RJ-45 connector    
Other CPU I/O     Two RS232 serial ports ("COM1" and "COM2") (1)
Parallel port ("LPT1")
Two PS/2 ports for keyboard and mouse connections
Two USB ports    
System Hardware Monitor     LM78 Monitor IC mapped to IRQ5, drives diagnostics indicator
Internal temperature via DS1620 IC
User configured via BIOS    
Other Features     M5819 Real Time Clock chip with 256 bytes RAM
MAX705 Watchdog Timer    
( 1 ) "COM2" is used by optional touchscreen interfaceSystem Hardware Monitor
The systems hardware monitor checks the following items:
2.8 V supply (CPU core)
3.3 V supply
5 V supply
12 V supply