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1.4.2 Core specifications
ATX 12V connector. This power connector is for the 4-pin 12V
1
plug from an ATX 12V power supply.
2
CPU socket. A 478-pin surface mount, Zero Insertion Force (ZIF)
socket for the Intel
system bus that allows 4.3GB/s and 3.2GB/s data transfer rates.
3
North bridge controller. The Intel
(MCH) provides the processor interface with 533/400MHz
frequency, system memory interface at 133/100MHz operation, and
1.5V AGP interface that supports AGP 2.0 specification including
2X/4X Fast Write protocol. The MCH interconnects to the south
bridge ICH4 via the Intel
4
DDR DIMM sockets. These two 184-pin DIMM sockets support up
to 2GB using unbuffered ECC or non-ECC PC2100/1600 DDR
DIMMs.
5
ATX power connector. This 20-pin connector connects to an ATX
+12V power supply. The power supply must have at least 1A on the
+5V standby lead (+5VSB).
Super I/O controller. This Low Pin Count (LPC) interface provides
6
the commonly used Super I/O functionality. The chipset supports a
high-performance floppy disk controller for a 360K/720K/1.44M/
2.88M floppy disk drive, a multi-mode parallel port, two standard
compatible UARTs, a Standard Infrared (SIR), one MPU-401 UART
mode compatible MIDI/game interface, and a Flash ROM interface.
7
IDE connectors. These dual-channel bus master IDE connectors
support up to four Ultra DMA/100/66, PIO Modes 3 & 4 IDE
devices. Both the primary (blue) and secondary (black) connectors
are slotted to prevent incorrect insertion of the IDE ribbon cable.
8
Floppy disk connector. This connector accommodates the
provided ribbon cable for the floppy disk drive. One side of the
connector is slotted to prevent incorrect insertion of the floppy disk
cable.
9
Flash EEPROM. This 2Mb firmware contains the programmable
BIOS program.
DIP switches. This 5-switch Dual Inline Package (DIP) allows you
10
to set the CPU external frequency.
1-6
Pentium
4 Processor, with 533/400MHz
®
®
845E Memory Controller Hub
®
proprietary Hub Interface.
®
Chapter 1: Product introduction
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