Acer Extensa 500 Manual Do Serviço
Chapter 2
37
System Security
The System Security screen contains parameters that help safeguard and
protect your computer from unauthorized use.
protect your computer from unauthorized use.
Base Address
Sets the I/O address of the serial port.
Options: 3F8h, 2F8h, 3E8h or 2E8h
IRQ
Sets the interrupt request of the serial port.
Options: 4 or 11
Parallel Port
Enables or disables the parallel port.
Options: Enabled or Disabled
Base Address
Sets the I/O address of the parallel port.
Options: 378h, 278h or 3BCh
IRQ
Sets the interrupt request of the parallel port.
Options: 7 or 5
Operation
Mode
Mode
Sets the operation mode of the parallel port.
Options: Bi-directional , ECP or Standard
ECP DMA
Channel
Channel
Sets a DMA channel for the printer to operate in
ECP mode. This parameter is enabled only if
Operation Mode is set to ECP.
ECP mode. This parameter is enabled only if
Operation Mode is set to ECP.
Options: 1 or 3
Parameter
Description