Asus P4B-LX Motherboard DIY Troubleshooting Guide - Page 16

ATA/100, Low Pin Count LPC interface, Universal Serial Bus - chipset

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9 South bridge controller. Referred to as the Intel I/O Controller Hub 2 (ICH2) of the Intel 845 chipset, this controller provides the I/O subsystem that allows access to the rest of the system. The ICH2 integrates I/O functions such as system bus interface, Ultra ATA/100, Low Pin Count (LPC) interface, Universal Serial Bus (USB) 1.1 interface, and PCI interface. 10 Flash EEPROM. This 2Mb firmware contains the programmable BIOS program. 11 PCI-based IEEE 1394 host controller. This PCI-to-1394 host controller provides the IEEE 1394 link function and is compatible with 100Mb/s, 200Mb/s, and 400Mb/s serial bus data rates. The chip also provides PCI bus master bursting and is capable of transferring a cacheline of data at 132MB/s to support digital electronic devices. 12 Audio CODEC. This AC '97 audio codec provides stereo analog I/O on the motherboard and peripheral devices to deliver high quality audio to PC-connected speakers, headphones, and microphones. The codec includes analog-to-digital and digital-toanalog sample rate converters, as power amplifiers and programmable gain blocks. 13 PCI slots. These three 32-bit PCI 2.2 expansion slots support bus master PCI cards like SCSI or LAN cards with 133MB/s maximum throughput. 14 LAN controller. This RealTek 8100 PCI LAN controller fully supports 10BASE-T and 100BASE-TX networking protocols. 15 AGP slot. This Accelerated Graphics Port (AGP) slot supports 1.5V AGP4X mode graphics cards for 3D graphical applications. 16 Microphone jack. This Mic (pink) jack connects a microphone. In 6-channel mode, the function of this jack becomes Bass/Center. 17 Line In jack. This Line In (light blue) jack connects a tape player or other audio sources. 18 Line Out jack. This Line Out (lime) jack connects a headphone or a speaker. 19 Serial port. This 9-pin COM1 port is for pointing devices or other serial devices. 20 ATX 12V connector. This power connector connects the 4-pin 12V plug from the ATX 12V power supply. 1-4 Chapter 1: Product introduction

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1-4
Chapter 1: Product introduction
South bridge controller.
Referred to as the Intel I/O Controller
Hub 2 (ICH2) of the Intel 845 chipset, this controller provides the
I/O subsystem that allows access to the rest of the system. The
ICH2 integrates I/O functions such as system bus interface, Ultra
ATA/100, Low Pin Count (LPC) interface, Universal Serial Bus
(USB) 1.1 interface, and PCI interface.
Flash EEPROM.
This 2Mb firmware contains the programmable
BIOS program.
PCI-based IEEE 1394 host controller.
This PCI-to-1394 host
controller provides the IEEE 1394 link function and is compatible
with 100Mb/s, 200Mb/s, and 400Mb/s serial bus data rates. The
chip also provides PCI bus master bursting and is capable of
transferring a cacheline of data at 132MB/s to support digital
electronic devices.
Audio CODEC.
This AC ‘97 audio codec provides stereo analog
I/O on the motherboard and peripheral devices to deliver high
quality audio to PC-connected speakers, headphones, and
microphones. The codec includes analog-to-digital and digital-to-
analog sample rate converters, as power amplifiers and
programmable gain blocks.
PCI slots.
These three 32-bit PCI 2.2 expansion slots support bus
master PCI cards like SCSI or LAN cards with 133MB/s maximum
throughput.
LAN controller.
This RealTek 8100 PCI LAN controller fully
supports 10BASE-T and 100BASE-TX networking protocols.
AGP slot.
This Accelerated Graphics Port (AGP) slot supports 1.5V
AGP4X mode graphics cards for 3D graphical applications.
Microphone jack.
This Mic (pink) jack connects a microphone. In
6-channel mode, the function of this jack becomes Bass/Center.
Line In jack.
This Line In (light blue) jack connects a tape player or
other audio sources.
Line Out jack.
This Line Out (lime) jack connects a headphone or
a speaker.
Serial port.
This 9-pin COM1 port is for pointing devices or other
serial devices.
ATX 12V connector.
This power connector connects the 4-pin 12V
plug from the ATX 12V power supply.
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