NEC Express5800/R320a-E4 User Manual page 127

Base I/O address
Keyboard
Features
NumLock
3F8/IRQ4 Specify the I/O address and IRQ of Serial Port 2.
[2F8/IRQ3]
3E8/IRQ4
2E8/IRQ3
Display only.
AUTO Specify whether or not to enable NumLock at system
startup.
On
[Off]
System Configuration 4-13
[ ]: factory default