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4 COM   
 
WAFER-4821   

       

   
       LCD/CRT Display
 
WAFER-4823

• 486DX4-100 CPU on board, embedded in ACC Maple chipset

• One 72-pin SIMM socket up to 32MB EDO RAM

• Realtek RTL8019 10Mbps Ethernet chip on board

• HM86508 LCD/CRT VGA chip on board with 1MB video memory ( WAFER-4823 )

• Supports four serial ports ( WAFER-4821 )

• CPU : DX4-100 CPU on board, embedded in the ACC Maple Chipset

• System Memory :
  --> WAFER-4821 : One 72-pin SIMM socket up to 32MB EDO RAM or 4MB EDO RAM on board for OEM requirement
  --> WAFER-4823 : One 72-pin SIMM socket up to 32MB EDO RAM

• BIOS : AMI Flash BIOS

• Video Controller : ( WAFER-4823 )
  --> Chip : HM86508 LCD/CRT VGA
  --> Bus : ISA
  --> V-RAM : 1MB EDO RAM
  --> Resolution : 1024 x 768 ( 265 colors )
  --> Connectors : DB-15 for CRT display
                           44-pin pin-header for LCD panel

• Super I/O :
  --> WAFER-4823 : 1 x RS-232 port and 1 x RS-232/422/485 selectable port
  --> WAFER-4821 : 3 x RS-232 ports and 1 x RS-232/422/485 selectable port
  --> 1 x parallel port ( support SPP/EPP/ECP mode )

• Ethernet : Realtek RTL8019 10Mbps Ethernet chip with RJ-45 connector

• IDE : One 44-pin pin-header

• FDD : One port

• Digital I/O :
  --> 4 x Input and 4 x Output
  --> TTL Level

• Watchdog Timer

• SSD : One DiskOnChip^TM socket

• One PC/104 expansion connector for add-on cards

• E²Key^TM : A non-volatile 1Kbit EEPROM is provided to retain application critical read/write data

• Power Consumption : 1.65A@+5V ( 32MB EDO RAM )

• Operating Temperature : 0 ~ 55^oC ( CPU needs Cooler ) 

• Humidity : 5% ~ 95%, non-condense