FIC a440 Service Manual
Hardware Functional Overview
FIC A440 Series Service Manual 4-22
LCD Backlight
Hardware
Controlled by VGA chip(FPBACK pin)
Clock Synthesizer
Hardware
Controlled by CPUSTP# and PCISTP# pin
PIC 16C62A
Working
MAX3243(RS232 Transceiver)
Software
Controlled by GPO[21] pin
L2 CACHE
Software
Controlled by GPO[3] pin
Device PM control during STR mode
Device
Power Down Controlled by
Description
VT8601
Hardware
Controlled by SUS_STAT1# pin
Super I/O
Hardware
Power off
VGA Chip
Software
Controlled by VT8501
HDD Hardware
Power
off
CD-ROM Hardware
Power
off.
PCMCIA Controller
Hardware
Controlled by PCI Bus.
Modem Software
Power
off
LAN
Hardware
See H/W Spec Chapter 18.
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
MAX3243(RS232 transceiver )
Hardware
Controlled by GPO [21] Pin
L2 CACHE
Hardware
Power off
PIC 16C62A
Software
Controlled by PIC 16C62A power down command
Device PM control during STD mode
Device
Power Down Controlled by
Description
VT8601 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 )
Hardware
Power off
L2 CACHE
Hardware
Power off
PIC 16C62A
Software
Controlled by PIC 16C62A power down command