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AST RESEARCH, INC. TECHNICAL BULLETIN #0809 01-11-93
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POWER EXEC SL COM PORT COMBINATIONS
Due to a design limitation of the Intel 360SL, (the peripheral controller
chip for the 386SL and 486SL processor), the Power Exec does not support
sharing of interrupts 3 and 4. This means that only certain configurations
are supported. Listed below are the configurations supported by the Power
Exec:
COM1 alone
COM2 alone (PCMCIA configured as 2 or serial device using a Dock Box or
Docking station)
COM3 alone (PCMCIA card)
COM4 alone (PCMCIA card)
COM1 and COM2
COM1 and COM4 (PCMCIA)
COM2 (Dock Box or Docking Station) and COM3 (PCMCIA)