3-22 Software Functional Overview
Device
Power Down
Controlled By
Description
HDD
Software
HDD support power down command
CD-ROM
Software
CD-ROM support power down command
Audio Chip
Software
Enter PCI PM D3hot state
Audio AMP
Software
Controlled by GPO[23] pin
Modem
Software
Enter PCI PM D3hot state
IR Module
Software
IR support power down command
LCD Backlight
Hardware
Controlled by VGA chip (FPBACK pin
Clock Synthesizer
Hardware
Controlled by CPUSTP# and PCISTP# pin)
PIC 16C62
Working
MAX3243(RS232
Transceiver)
Software
Controlled by GPO[13] pin
L2 CACHE
Software
Controlled by GPO[19] pin
Device PM Control/STR Mode
Device
Power Down
Controlled By
Description
MTXC/440BX
Hardware
Controlled by SUS_STAT#1 pin
Super I/O Chip
Hardware
Controlled by SUSB# Pin
VGA Chip
Software
Controlled by GPO[8] pin
HDD
Hardware
Controlled by SUSB# Pin
CD-ROM
Hardware
Controlled by SUSB# Pin
PCMCIA Controller
Software
Controlled by GPO[30] pin
Modem
Hardware
Controlled by SUSB# Pin
FDD
Hardware
Controlled by SUSB# Pin
Audio Chip
Hardware
Controlled by SUSB# Pin
Audio AMP
Hardware
Controlled by SUSB# Pin
IR Module
Hardware
Controlled by SUSB# Pin
LCD Backlight
Hardware
Controlled by VGA Chip FPBACK pin
Clock Synthesizer
Hardware
Controlled by SUSB# Pin
KBC
Software
Controlled by M38867 power down command
MAX3243(RS232
Transceiver)
Hardware
Controlled by GPO[13] pin
L2 CACHE
Hardware
Controlled by SUSB# Pin
PIC 16C62
Software
Controlled by PIC 16C62 power down command