Motorola Mobile Workstation 520 Application Developer's Manual page 29

24 MW-520 Application Developer's Guide
Table 12
Device States
Device/State D0
Hard Disk
ON (working state)
VGA Controller ON (working state)*
Sound Controller ON (working state)*
PCMCIA Card ON (working state)*
Com 1 ON (working state)*
Com 2 ON (working state)*
Com 3 ON (working state)*
Com 4 ON (working state)*
LPT ON (working state)*
USB ON (working state)*
ON (working state)*
‡
Radio Modem
GPS ON (working state)*
* The device is open/closed depending on the OS decision (when not used with a specific device, it can be closed)
† The LVDS is closed by the hardware when the VGA controller is off.
‡ The radio powers on only when the application accesses COM 3.
Device/State C0
CPU 100% speed
* The throttling state is controlled by the PIIX4E and activated in hot conditions
D1 D2
Not supported Not supported
*
Not supported Not supported
Not supported Embedded DSP is
halted & analog
functions are off
Not supported Device at
intermediate state
(RI_OUT available)
Not supported Not supported
Not supported Not supported
Not supported Not supported
Not supported Not supported
Not supported Not supported
Not supported Not supported
Not supported Not supported
Not supported Not supported
*
Throttling C1
50% Or 25% Clock stopped
D3
Standby
(hard disk stopped)
Device off + LVDS closed
D2 and oscillator off
(PCI bus stopped)
Off state
(PCI bus stopped
and no RI_OUT)
Closed (buffer 1 closed)
Closed (buffer 2 closed)
Not supported
Not supported
Closed (Via Super I/O
depend on Com 1&2)
USB port suspended
Radio off
GPS off
C2 C3
Not supported Not supported
Controlled by
PIIX4E
(IDE Controller)
†
Card Bus Controller
SHDN#1
Super I/O
SHDN#1
Super I/O
–
–
Super I/O
PIIX4E (USB
controller)
ASIC RPM_OFF bit
ASIC GPS_OFF
Controlled By
PIIX4E (stop clock)