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1.4.2 Core specifications
1
DIP switches (DSW1). This 6-switch Dual Inline Package (DIP)
allows you to set the CPU external frequency.
ATX 12V connector. This power connector connects the 4-pin 12V
2
plug from the ATX 12V power supply.
3
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,
respectively.
North bridge controller. The Intel
4
Controller Hub (GMCH) provides the processor interface with
533/400 MHz frequency, system memory interface at 133/100MHz
operation, and 1.5V AGP interface that supports AGP 2.0
specification including 4X/2X 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 a
2.2GB/s or 1.6GB/s. The GMCH interconnects to the south bridge
ICH4 via the Intel
5
DDR DIMM sockets. These three 184-pin DIMM sockets support
up to 2GB system memory using unbuffered non-ECC
PC2100/1600 DDR DIMMs.
6
ASUS EZ Plug™ +12V connector. This ASUS patented auxilliary
power connector is used if you don't have an ATX +12V power
supply. Connect a 4-pin device connector from a standard power
supply to this connector to provide sufficient power to the CPU.
ATX power connector. This 20-pin connector connects to an ATX
7
+12V power supply. The power supply must have at least 1A on the
+5V standby lead (+5VSB).
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 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.
1-8
Pentium
4 Processor, with 533/400 MHz
®
®
®
proprietary Hub Interface.
®
Chapter 1: Product introduction
845G Graphics Memory
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