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DIP switches (DSW1). This 6-switch Dual Inline Package (DIP)
10
allows you to set the CPU external frequency.
11
ASUS ASIC. This chip performs multiple system functions that
include hardware and system voltage monitoring, IRQ routing,
among others.
12
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, a Standard Infrared (SIR), one MPU-401 UART
mode compatible MIDI/game port, and a Flash ROM interface.
13
RAID Ultra ATA/133/100 connectors. These dual-channel
connectors support Ultra ATA/133/100/66/33 hard disk drives in
RAID 0/RAID 1 configurations. (on RAID models only)
14
South bridge controller. The fourth-generation Intel I/O Controller
Hub (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, PCI 2.2 interface, and integrated LAN
controller. The ICH4 also contains the necessary arbitration and
buffering for efficient utilization of these interfaces.
RAID controller. The Promise
15
provides high performance RAID 0/RAID 1 functionality.
(on RAID models only)
16
Flash EEPROM. This 4Mb firmware contains the programmable
BIOS program.
17
DIP switches (DSW2). This 4-switch Dual Inline Package (DIP)
allows you to select the CPU frequency multiple.
18
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.
ASUS P4B533-E motherboard user guide
PDC20276 RAID controller
®
1-9
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