Siemens SIMATIC PC RI25/45 Technical Description page 65

Hardware Options
When you call up the menu option Hardware Options in the main menu, the
following submenu appears:
Figure 2-20 Submenu "PC RI Hardware Options"
In this submenu, you assign parameters to the ports located on the
motherboard.
Configure MPI Addr. Range
Internal COM1
Internal COM2
Internal LPT1
LPT Mode
Screen Resolution
CRT 640 x 480
CRT 800 x 600
CRT 1024 x 768
Trackball / PS/2 Mouse
SIMATIC PC RI25/45, Technical Description
C79000-G7076-C808-01
PhoenixBIOS Setup-Copyright 1985-95 Phoenix Technologies Ltd.
Main Advanced Security
PC RI Hardware Options
[Addr. – CC00H]
Configure MPI Addr. Range:
Internal COM1: [3F8, IRQ 4]
Internal COM2: [2F8, IRQ 3]
Internal LPT1: [378, IRQ 7]
LPT Mode: [Output Only]
Screen Resolution
CRT 640 x 480: [75 Hz]
CRT 800 x 600: [75 Hz]
CRT 1024 x 768: [75 Hz]
Trackball / PS/2 Mouse: [External]
F1 Help Select Item + / –
ESC Exit Select Menu Enter Select
Power Exit
Item Specific Help
Configures the address range or
disables MPI. To prevent address
conflicts, choose between two
different base addresses.
Change Values F9 Setup Defaults
Sub-Menu F10 Previous Values
Address area of the MPI which is referenced.
"0CC00H" "0DC00H" are memory addresses.
MPI covers an address area of 2 Kbytes.
"Disabled" releases the address area.
Enables the COM1/TTY port
Enables or disables the COM2 port
Enables or disables the printer port
If LPT1 port has been enabled you can set the
operating mode using this option
Output Only standard operating
bi-directional printer port can also be used as
input port or EPP support
EPP EPP mode
ECP ECP mode
Refresh rate with a resolution of 640 x 480 pixels
Refresh rate with a resolution of 800 x 600 pixels
Refresh rate with a resolution of 1024 x 768 pixels
Internal PS/2 port is enabled, IRQ 12
is occupied
Disabled PS/2 port is disabled, IRQ 12
is available
External PS/2 port is enabled, IRQ 12 is
occupied. The keyboard
trackball is blocked
Motherboard
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