Siemens INOX PRO SIMATIC IPC277D, Руководство по эксплуатации, Страница: 17 / 54

BIOS Setup (SCU)
3.4 Advanced menu
BIOS Description
Operating Manual, 05/2016, A5E33664825-AB
17
Parameter Meaning
The following Setup parameters are visible if "Internal COM 2" is enabled.
•
Base I/O Address
2E8, 2F8, 3E8, 3F8 The I/O base address is pre-assigned and also
recommended.
•
Interrupt
IRQ3, IRQ4 The interrupt is pre-assigned and also
recommended.
•
Transceiver Mode
1
Transceiver
Loopback
Mode for testing the hardware.
RS232 Non-isolated connection for short distances in
interference-free environment.
RS485
Half Duplex
Isolated connection for environment with EMC
load.
RS485/422
Full Duplex
Isolated connection for environment with EMC
load, transmitting and receiving at the same time.
Internal LPT
4
Enabled Enables the parallel port. You can then set the I/O
base address, interrupt, mode and DMA channel.
Disabled Disables the parallel port. This releases the
resources it used.
Auto Automatically configures the parallel port. BIOS
switches on the parallel interface. Re-configuration
allocates the resources in the operating system.
Re-configuration also sets the mode.
The following Setup parameters are visible if "Internal LPT" is enabled.
•
Base I/O Address
278, 378 The I/O base address is pre-assigned and also
recommended.
•
Interrupt
IRQ7 The interrupt is pre-assigned and also
recommended.
• Mode
Sets the data transfer mode.
Output Only
Data output only.
EPP Enhanced Parallel Port: Fast transfer mode of up to
2 Mbps for devices that are not printers, sending
and receiving of data. The peripheral device must
support EPP.
ECP Enhanced Capability Port: Fast transfer mode of up
to 2.4 Mbps for printers and scanners, sending and
receiving of data. The peripheral device must sup-
port ECP. The DMA channel is set with Plug&Play.
Bi-directional Data transfer in both directions for PS/2 compatible
devices.
•
DMA Channel
DMA 1, DMA 2,
DMA 3
Sets the DMA channel of the parallel port.