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DIP switches. This 5-pin Dual Inline Package (DIP) switches allows you to
1
select the CPU frequency multiple.
ATX 12V connector. This power connector connects the 4-pin 12V plug from
2
the ATX 12V power supply.
3
CPU socket. A 478-pin surface mount, Zero Insertion Force (ZIF) socket for
the Intel
®
4.3GB/s and 3.2GB/s data transfer rates, respectively.
4
North bridge controller. The Intel
(GMCH) provides the processor interface with 533/400 MHz frequency,
system memory interface at 333/266MHz operation, and 1.5V AGP interface
that supports AGP 2.0 specification including 4X Fast Write protocol. The
integrated graphics accelerator delivers 3D/2D video capabilities and a
high bandwidth access to graphics data in the system memory at 2.2GB/s
or 1.6GB/s. The GMCH interconnects to the south bridge ICH4 via the Intel
proprietary Hub Interface.
5
DDR DIMM sockets. These two 184-pin DIMM sockets support up to 2GB
system memory using unbuffered non-ECC PC2700/PC2100/PC1600 DDR
DIMMs.
6
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).
7
Super I/O controller. This Low Pin Count (LPC) interface provides 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, and a Flash
ROM interface.
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
IDE connectors. These dual-channel bus master IDE connectors support
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.
10
Flash ROM. This 2Mb firmware contains the programmable BIOS program.
South bridge controller. The fourth-generation Intel I/O Controller Hub
11
(ICH4) is a subsystem that integrates various I/O functions including 2-channel
ATA/100 bus master IDE controller, up to six USB 2.0/1.1 ports, I/O APIC,
SMBus 2.0 controller, LPC interface, AC'97 2.2 interface, and PCI 2.2
interface. The ICH4 also contains the necessary arbitration and buffering for
efficient utilization of these interfaces.
12
ASUS ASIC. This chip performs multiple system functions that include
hardware and system voltage monitoring, IRQ routing, among others.
13
AGP slot. This Accelerated Graphics Port (AGP) slot supports 1.5V AGP4X
mode graphics cards for 3D graphical applications.
1-4
Pentium
®
4 Processor, with 533/400 MHz system bus that allows
®
845GE Graphics Memory Controller Hub
Chapter 1: Product introduction
®
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