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Memory Gap:
Some ISA network adapters need to be mapped in system
memory address space, normally at the upper end. Since the ISA bus is limited
to 24-bit addressing (0-16 MB), systems with more than 16MB of memory
installed will not accommodate these adapters.
When enabled, this selection will remap system memory such that a
gap
is
created between the addresses of 15 and 16MB. This gap is then used to map
the I/O space on the adapter into this area.
3.1.3 Security
The Security option allows the user to:
•
Set the supervisor password.
•
Set the power on password.
•
Modify the diskette access rights.
•
Set the fixed disk boot sector.
To reach the security panel from the Advanced - Peripherals panel:
•
Press ESC to quit the Peripherals menu.
•
Press ESC again to quit the Advanced menu.
•
Use the arrows keys to select the Security menu.
•
Press Enter.
A screen like the one in Figure 27 will appear:
Phoenix BIOS Setup - Copyright 1985-94 Phoenix Technologies Ltd.
────────────────────────────────────────────────┬────────────────────────────
Main Advanced Security Exit │
────────────────────────────────────────────────┼────────────────────────────
│
Supervisor Password is Disabled │
User Password is Disabled │
Set Supervisor Password [Press Enter] │
Set User Password Press Enter │
│
Password on Boot: [Disabled] │
│
Diskette access: [User] │
Fixed disk boot sector [Normal] │
│
│
│
│
│
│
│
│
│
Figure 27. PC Server 320 Setup Program - Security Menu
Set the Supervisor/User passwords:
Two levels of passwords are available with
IBM PC Server PCI/EISA systems:
•
Supervisor password which enables all privileges
•
User password which has all privileges except:
− Supervisor password option
− Diskette access option if supervisor selected for this option (see Diskette
access rights below)
− Fixed disk boot sector option
If either password is set, at boot time you will see:
Chapter 3. Hardware Configuration 71