PCI-946-1 and P3S440BX Technical Reference manual
3-10
3.4.2. P3S440BX Block Diagram
SM Bus
DRAM BUS
(72-bit)
AGP BUS
I2C
USB
PORT
Clock
Synthes
.
INTEL 82559
Fast E thern et
Contr oller
(196m BGA)
C&T 69000
64-Bit SVGA
Contr oller
With 2/4M B
Me m or y
(256mBGA)
SM C
FDC37C 67X
Super I/O
C ontr oller
(100PQFP)
INTEL
PIIX4
82371AB
PCI-TO-ISA
Br idge
(324PBGA)
3.3V PCI BUS
SECONDARY
SVGA
Connector
PRIMARY
IDE
XCVRS
Programmable
Watchdog
(CPLD)
24C32
EEPROM
BIOS
Boot Block
Flash
10/100
Base-Tx
Connector
FLOPPY
Connector
PRINTER
Connector
COM 2
Connector
COM 1
Connector
PS/2 KBD
Connector
Mult/function
Connector
BAT
3.6V
ITP TEST
CONNE CTOR
XTL
14MHz
93C56
EEPROM
370 PGA
CONNECTOR
3 x 168P
DIMMs
System
CLOCK
3.3V SDRAM
(Max = 768M B)
ADAPTEC
Ultr a SCSI
C ontr oller
AIC -7880
(160PQFP)
Ultra SCSI
68Pin
Connector
Fast-SCSI 2
50Pin
Connector
OSC
40MHz
5V ISA BUS
SYSTEM BUS
Therm.
CLK
SWITCHING
& LINEAR
REGULATOR
+5VDC
VCORE
Compact
Fla sh
IDE mode
ISA Edge
Connector
64-BIT S/N
EPROM
USB
PORT
Ther mal
Sensor
3.3V LOCAL ISA
CPLD
INTEL
443B X
82443B X
Nor th
Br idge
(492PBGA)
TAP
VTT
GTL+ BUS
SER.
EPROM
VCC3
Clock
Buffer
VCC2.5
PCI Edge
Connector
Mouse
Connector
PS/2 MOUSE
Connector
+12VDC
MAX
1617
INTEL PENTIUM III PROCESSOR (FC-PGA)
Pentium III CPU Core
600-750 Mhz
256 Kb
L2 Cache
162245
Pentium III
Processor
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