NCR S26 - Manual (Page 80)

System Security
4-24 Using the BIOS Setup Utility
The table below lists the drive control settings and their corresponding
functions.
Table 4-1. Drive Control Settings
Diskette Drive
Setting Description
Normal Diskette drive functions normally
Write Protect All Sectors Disables the write function on all sectors
Write Protect Boot Sector Disables the write function only on boot sector
Disabled Disables all diskette functions
Hard Disk Drive
Setting Description
Normal Hard disk drive functions normally
Write Protect All Sectors Disables the write function on all sectors
Write Protect Boot Sector Disables the write function only on boot sector
Disabled Disables all hard disk functions
System Boot Drive
Setting Description
Drive A then C System boots from drive A to C
Drive C then A System boots from drive C to A
C: System always boots from drive C
A: System always boots from drive A
Onboard Communication Ports
This section describes the onboard communication ports.