Asus P4SDR-VM - Manual (Page 18)

1-6 Chapter 1: Product introduction
ATX 12V connector. This power connector connects the 4-pin 12V
plug from the ATX 12V power supply.
CPU socket. A 478-pin surface mount, Zero Insertion Force (ZIF)
socket for the Intel
® Pentium ® 4 Processor, with 400 MHz system
bus that allows 3.2GB/s data transfer rates.
North bridge controller. The SiS650GL Host Memory Controller
integrates a high performance host interface for the Intel Pentium 4
processor, a 2D/3D graphic engine, a memory controller, and the
SiS MuTIOL
® Technology connecting with the SiS961B0 MuTIOL
Media I/O.
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).
DIMM sockets. These 168-pin DIMM sockets support up to 2GB
system memory using unbuffered non-ECC PC133/PC100 DIMMs.
IDE connectors. These dual-channel bus master IDE connectors
support up to four Ultra DMA/133/100/66, 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.
South bridge controller. The SiS961B0 MuTIOL Media I/O
integrates the audio controller with AC’97 interface. The Ethernet
MAC, the Dual Universal Serial Bus Host controllers, the IDE
Master/Slave controllers, and the MuTIOL connect to PCI Bridge.
ASUS ASIC. This chip performs multiple system functions that
include hardware and system voltage monitoring, clock buffering,
among others.
Standby power LED. This LED lights up if there is a standby
power on the motherboard. This LED acts as a reminder to turn off
the system power before plugging or unplugging devices.
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.
Flash ROM. This 2Mb firmware contains the programmable BIOS
program. 11
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1.4.2 Core specifications