FIC a440 Servicehandbuch
Software Functional Overview
FIC A440 Series Service Manual
3-21
Device
Power Down
Controlled by
Description
LAN
Hardware
See H/W Spec
FDD Hardware
Power
off
Audio AMP
Hardware
Power off
LCD Backlight
Hardware
Power off
Clock Synthesizer
Hardware
Power off
KBC
Software
Controlled by M38867 power down
command
command
MAX3243 (RS232
transceiver)
transceiver)
Hardware
Controlled by GPO [21] Pin
L2 CACHE
Hardware
Power off
PIC 16C62A
Software
Controlled by PIC 16C62A power down
command
command
Device Power Control Methodology During Suspend to Disk Mode
This section illustrates the control methodology of each device/component and its details
under Suspend to Disk mode.
This section illustrates the control methodology of each device/component and its details
under Suspend to Disk mode.
Device
Power Down
Controlled by
Description
VT8501 Hardware
Power
off
Super I/O
Hardware
Power off
VGA Chip
Hardware
Power off
HDD Hardware
Power
off
CD-ROM Hardware
Power
off
PCMCIA Controller
Hardware
Power off
Modem
Hardware
Supply ring power
LAN Hardware
Power
off
FDD Hardware
Power
off
Audio AMP
Hardware
Power off
LCD Backlight
Hardware
Power off
Clock Synthesizer
Hardware
Power off
KBC Hardware
Power
off
MAX3243 (RS232
transceiver)
transceiver)
Hardware Power
off
L2 CACHE
Hardware
Power off
PIC 16C62A
Software
Controlled by PIC 16C62A power down
command
command