Uniwill 340S2, Service Manual

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Chapter 1 General System Description
340S2 4
Rev : B
•
Floppy Disk Controller (FDC)
•
Support SPP, EPP and ECP Parallel port
•
Software compatible with the 16550A and the 16450 serial port
•
HP-IR, ASK-IR, Fast-IR support
F. Clock Generator
Realtek W83194R-630
•
Multiple CPU clocks for SDRAM architecture
•
Provide power down mode in slowing down CPU clock
•
Spectrum modulation reduce EMI
•
Provide programmable clocks
G. DSTN Encoder
NS CS9211
•
Support 18 bits color digital pixel input
•
Support SVGA DSTN and VESA FPDI SPEC.
•
Programmable dither up to 64 levels
•
Built in memory controller support both SDRAM and EDO RAM
1.2 System Specification
1.2.1 System Board
The major components of the computer include the system board, XGA color LCD
display, FDD module,CD-ROM module (24X rotational speed max) / DVD
module, keyboard, built-in glide pad with 2 click buttons, Lithium-ION battery
pack, and AC adapter.
The system board incorporates CPU module, system memory, system and VGA
BIOS, audio controller, CPU/ PCI bus controller, PCI / ISA bus controller. The
System Block Diagram shows how these components are integrated as shown in
the next page.
CPU
LVDS
TRANSCEIVER
CRT PORT
LCD
CPU CORE
Celeron PPGA
Pentium !!! FC-PGA
SIS630
THC63LVDF63
SB3060P
AS1582T
TL594
CPU_CORE
VCC_CMOS
1.5V
2.5V
13.0" DSTN LCD
14.1" TFT LCD
SO-DIMM2
SO-DIMM1
VPPSKT
VCCSKT
CD-ROM
HDD
CORE LOGIC
RJ-45 CONNECTOR
MIC2562A
SOCKET
POWER
PCI BUS
CARDBUS
OZ6812
CARDBUS SOCKET
USB
HOME NET WORKING
RJ-11 CONNECTOR
AC97 CODEC AUDIO
AMP.
MICPHONE
INT.
MICPHONE
INT.
SPEAKERS
AC LINK
DSTN ENCODER
NS CS9211