Prestigio CAVALIERE 141 Technical & Service Manual page 23

Prestigio Cavaliere 141
1.2.5 SiS301LV
SiS301LV, which is an accompany chip of SiS VGA chip, integrates
A NTSC/PAL video encoder with Macrovision Ver.7.1.L1 option for TV display.
A LVDS transmitter with bi-linear scaling capability for TFT LCD panel display.
All the above functions can support dual-display features. It means that the second display device driven by
SiS301LV can display independent resolutions, color depths and frame rates different from the traditional CRT
monitor driven by primary VGA chip. SiS301LV receives digital video signals and control signals from the primary
VGA chip then transforms them into composite, S or component video output for TV display, LVDS signals for
LCD display. The output display combination can be one of the three : (1) Primary CRT+SiS301LV TV, (2) Primary
CRT+SiS301LV LCD,(3) SiS301LV TV + SiS301LV LCD.
1.2.6 Super I/O_NS PC87393
National Semiconductor's PC8739x family of LPC Super I/O devices is targeted for a wide range of portable
applications. PC99 and ACPI compliant, the PC8739x family features an X-Bus Extension for read and write
operations over the X-Bus, a full IEEE 1284 Parallel Port with a Parallel Port Multiplexer (PPM) for external
Floppy Disk Drive (FDD) support, a Musical Instrument Digital Interface (MIDI) port, and a Game port. Like all
National LPC Super I/O devices, the PC8739x offers a single-chip solution to the most commonly used PC I/O
peripherals.
The PC8739x family also incorporates: a Floppy Disk Controller (FDC), two enhanced Serial Ports (UARTs), one
with Fast Infrared (FIR, IrDA 1.1 compliant), General-Purpose Input/Output (GPIO) support for a total of 32 ports,
Interrupt Serializer for Parallel IRQs and an enhanced WATCH DOG timer.
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Technical Service Manual