LAN
ON
Power Down Power Down
Power Down
Internal Modem ON
Power Down Power Down
Power Down
Device Power control Methodology During S3 Mode
This section illustrates the control methodology of each device/component and its details
under Stand by mode.
Device
Power Down Controlled by Description
CPU
Hardware
Controlled by SUSB# pin
L2 CACHE
Hardware
Power off
ICH4
Hardware
Controlled by SUSB# pin
DRAM
Software
Self Refresh
Clock Synthesizer
Hardware
Controlled by SUSB# pin
CDROM
Hardware
Power off
HDD
Hardware
Power off
FDD
Hardware
Power off
KBC
Software
Controlled by M3885xM8 power
down command
PMU08
Sofeware
Controlled by PMU08 power down
command
VGA/VRAM
Software
Controlled by MontaraGM
PCMCIA
Software
Controlled by SUSB# pin
AUDIO
Hardware
Controlled by ICH4
Audio AMP
Hardware
Controlled by BIOS
LCD Backlight
Hardware
Power off
LAN
Hardware
Controlled by Driver enter Dx status
Internal Modem
Hardware
Controlled by Driver enter Dx ststus
Power Button
The function of Lid Switch is depends on the ACPI aware OS.
Lid Switch (Cover Switch)
The function of Lid Switch is depends on the ACPI aware OS.
TECHNICAL SERVICE MANUAL
Prestigio Cavaliere 142
47