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PCI-946-1 and P3S440BX Technical Reference manual
3.4.2. P3S440BX Block Diagram
Programmable
I2C
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System
CLOCK
370 PGA
CLK
CONNECTOR
XTL
Clock
14MHz
Synthes.
SM Bus
Clock
3 x 168P
Buffer
DIMM s
3.3V SDRAM
(Max = 768M B)
USB
PORT
USB
PORT
INTEL
PIIX4
82371AB
PCI-TO-ISA
Br idge
Watchdog
(324PBGA)
(CPLD)
BAT
3.6V
3.3V LOCAL ISA
24C32
EEPROM
BIOS
64-BIT S/N
Boot Block
EPROM
Flash
Connector
Connector
Mult/function
Connector
Connector
INTEL PENTIUM III PROCESSOR (FC-PGA)
256 Kb
Pentium III CPU Core
L2 Cache
600-750 Mhz
Pentium III
Ther mal
Sensor
Processor
Therm.
SYSTEM BUS
TAP
GTL+ BUS
MAX
1617
INTEL
DRAM BUS
443BX
AGP BUS
(72-bit)
82443B X
Nor th
Br idge
(492PBGA)
3.3V PCI BUS
SECONDARY
ADAPTEC
PRIMARY
IDE
Ultr a SCSI
Contr oller
AIC-7880
(160PQFP)
Compact
Flash
IDE mode
OSC
SER.
40MHz
EPROM
162245
CPLD
XCVRS
5V ISA BUS
SM C
COM1
FDC37C67X
Super I/O
Contr oller
COM2
(100PQFP)
Mouse
3-10
VCORE
+5VDC
SWITCHING
VCC3
& LINEAR
REGULATOR
VTT
+12VDC
VCC2.5
ITP TEST
CONNE CTOR
C&T 69000
SVGA
64-Bit SVGA
Connector
Contr oller
With 2/4M B
Memor y
PCI Edge
(256mBGA)
Connector
Ultra SCSI
68Pin
INTEL 82559
Connector
Fast E thern et
Contr oller
Fast-SCSI 2
(196mBGA)
50Pin
Connector
93C56
10/100
EEPROM
Base-Tx
Connector
ISA Edge
Connector
PRINTER
Connector
FLOPPY
Connector
PS/2 KBD
Connector
PS/2 MOUSE
Connector
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