Siemens SIMATIC Box PC 840, Manual

Page: 83 / 212

Configuring the SIMATIC Rack PC 840
5-13
SIMATIC Rack PC 840 Manual
A5E00104826-03
Local Bus IDE
adapter
[Primary] One IDE interface for max. two drives.
[Secondary]
[Primary & Secondary] Two IDE interfaces for max. four drives.
[Disabled]
No local IDE interface.
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.
“COM/LPT Configuration” Submenu
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:
[Enabled]
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]
Figure 5-9 ”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: it is advisable not to change
these default assignments.