Siemens SIMATIC PC 670, Equipment Manual

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Configuring the Computing Unit in BIOS Setup
Release 04/02
5-16
Panel PC 670 Computing Unit, Equipment Manual
Large Disk
Access Mode [DOS] The drive tables are adapted for DOS access operations
in accordance with Enhanced IDE.
[OTHER] The tables are not adapted.
Memory Gap at
15 MByte [Disabled] The complete onboard RAM memory is available.
[Enabled] A 1MB area of the RAM above 15MB
(Addresses F0 0000 – FF FFFF) can be used by ISA
expansion cards.
Submenu“COM/LPT Configuration”
PhoenixBIOS Setup Utility
Item Specific Help
ESC Exit
Select Item
Select Menu
+ / –
Select
Change Values
Sub-Menu
F9
F10 Setup Defaults
Save and Exit
Enter
Help
F1
Advanced
COM/LPT Configuration
Configure serial port A
using options:
[Disabled]
No configuration
[Enabled]
User configuration
[Auto]
BIOS or OS chooses
configuration
[OS Controlled]
Displayed when
controlled by OS
Base I/O address:
Interrupt:
[IRQ 4]
Internal COM 1:
Base I/O address:
[Enabled]
Interrupt: [IRQ 3]
Internal COM2:
Mode:
[Enabled]
Base I/O address: [378]
Internal LPT1:
Interrupt: [IRQ 7]
[Output only]
[2F8]
[3F8]
[ Enabled ]
Figure 5-10 ”COM/LPT Configuration” Submenu
The resources used by an interface are released when you disable the interface in
question.
The I/O addresses and interrupts are preassigned to be operated as COM1,
COM2 and LPT1 and we recommend you use them accordingly.