Siemens Simatic S7-400 - Manual (Page 451)

CPUs for M7-400
11-23
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
11.4.4 Opening and Exiting the BIOS Setup
Opening the Setup Menu
To open the Setup menu, press the following keys simultaneously while the CPU is
powering up and the POST window (Figure 11-6) is on the screen: CTRL
+ Alt + ESC or ESC under Remote Setup.
The Setup menu then appears to allow you to select the setup pages.
Figure 11-9 shows the front and rear view of the CPU 486-3 and CPU 488-3
without covering flap.
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The setup pages are
described on
Figure 11-9 Setup Menu
The Setup menu consists of:
• A list box from which you can select the required setup page,
• An OPEN button which opens the selected setup page when activated,
• An EXIT button which closes the Setup menu after prompting you to decide
whether changes are to be saved or not,
The setup pages for the CPU 486-3 and CPU 488-3 are shown below.
The setup pages below show the default settings.