Advantech RUGGED PENTIUM IPPC-9120 - Manual (Page 132)

Chapter 9 Award BIOS Setup 117
Standby Mode
The system will not enter Standby mode, because this option is
designated as "Disabled".
Suspend Mode
The system will not enter Suspend mode, because this option is
designated as "Disabled".
HDD POWER Down
Selecting "Disabled" will turn off the hard disk drive (HDD) motor.
Selecting "1 Min.. 15 Min" allows you to define the HDD idle time
before the HDD enters Power Saving Mode.
The options "1 Min.. 15 Min" and "When Suspend" will not work
concurrently. When the HDD is in Power Saving Mode, any access to
the HDD will wake it up.
The options are: Disabled (Default), 1 Min., 15 Min.
PNP OS Installed
Select Yes if the installed system supports the PnP function. Select No
if the installed system does not support the PnP function.
The options are: No (Default), Yes.
Note: Under certain operating systems such as Windoes
NT 4.0 (Build 1381), the CD auto-insertion feature
might have some effect on power management. It is
recommended that the CD-ROM drive use the
secondary channel, and that the following Power
Management Setup features be set:
HDD & FDD: Off
IRQ15 (Reserved): Secondary