B. Audio
The audio controller is integrated in south bridge ICH4 and through the AC97 data line to external
CODEC to reduce the noise caused by PCB
’
s layout. However the H/W architecture is, the BIOS
will recognize it as a PCI device and initialize it in PCI bus initialization. The PCI legacy audio mode
is not to be supported
.
C. Modem
The system can use all of the modem that is AC97
’
compliance and the MDC form factor. During
POST need to detect the existence and setting proper registers in south bridge ICH4.
D. PCMCIA
The system BIOS need to support some devices (especially the LAN card) need to work in
Pure-DOS, such as MS-DOS 6.22.
E. LED Indicator
In the system has some LED and listed below:
Indicator
Function Description
HDD LED
The LED will turn on when the hard disk drive is activated or accessed
CDROM LED
The LED will turn on when the CDROM drive is activated or accessed
NumLock LED
The LED will turn on when the function of NumLock is active
CapsLock LED
The LED will turn on when the function of CapsLock is active.
ScrollLock LED The LED will turn on when the function of ScrollLock is active.
Additionally, there are two LEDs more complicate than above, they have compound status and
style to indicate the system state and battery status. So that will be listed in below table:
System Off (w/o charging)
Off
Off
System Off (w/ charging)
Off
Orange Blinking
System On (w/o charging)
Off
Green
System On (w/ charging)
Off
Orange Blinking
TECHNICAL SERVICE MANUAL
Prestigio Nobile 159W
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Summary of Contents for NOBILE 159W
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