4-1
S820/S850
4 System Block Diagram
D
C
B
A
D
C
B
A
1
2
3
4
1
2
3
4
PORT
SUB B'D
MAIN CHIP
SUB CHIP
UNIT
CK97-M
Clock
DIXON
CK97-M
Buffer
MAIN MEMORY
CNTL
MA(13:0)
MD(63:0)
AD(31:0)
CNTL
CNTL
AD(31:0)
CLOCK
MD(63:0)
CNTL
MA(13:0)
AGP SIDE BAND
SODIMM
SOCKET
2
GTL+
Termination
HOST BUS
HA(31:3)
HD(63:0)
CNTL
ZV - AUDIO
ZV PORT
HA(31:3)
HD(63:0)
CNTL
CNTL
CNTL
SA(2)
SD(7:0)
CNTL
SA(18:0)
SD(7:0)
CNTL
SA(19:0)
SD(15:0)
CNTL
CNTL
SA(19:0)
SD(15:0)
AD(31:0)
CNTL
CNTL
ZV PORT
CTLR
AD(31:0)
CTLR
AD(31:0)
AD(31:0)
443BX
BGA
PIIX4E
BGA
VGA CTLR.
D
O
C
K
I
N
G
I/
F
ATI RAGE LT Pro/AGP
PCIC CTLR.
TI 1251B
RTC Battery
MICOM
HD64F3434F16
Touch Pad
KBD
PS/2 I/F
FIR
SIO
RS232C
MAX211
ESD FILTER
PAC1284
LED BOARD
FROM
HDD
FDD
CD-ROM
CD-AUDIO
MICOM
PIO
BIOS ROM
AM29F002T
SUPER I/O
PC97338VJG
AUDIO
ES1978S
CODEC
ES1918
MIC AMP
MC3403
SPEAKER AMP
LM4863
SPEAKER
L
SPEAKER
R
Ext.
MIC
Line
In
Head
Phone
RJ-11
Int.
MIC
MODEM
Lucent 1646T00
HDD
Primary
CD-ROM
Secondary
Internal
FDD
S850: AIO
S820: Flex
External
FDD Pack
SWITCH
TPS2206
SOCKET
A
SOCKET
B
DC/AC Inverter
Board
2 USB
*in the CODEC BOARD
*in the CODEC BOARD
DC/DC Board
DC-IN Jack
BATTERY A
Battery Charger
Circuit
CRT
TV-OUT
VIDEO MEMORY
LCD PANEL
CRT
TV-OUT
PCI BUS
ISA BUS
ZV - AUDIO