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Motherboard Specifications, P4B266-LA (Danube)

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Motherboard information

FEATURE/SPECIFICATIONDESCRIPTION
Motherboard description
  • Manufacturer's name - P4B266-LA
  • HP/Compaq name - Danube
Motherboard supplierASUS
System BIOS supplierASUS/Award
Form factorUATX -> ATX
Processor brandIntel
Processor socket typemPGA478
Processor familyPentium(R) 4 (Willamette, Northwood)
Processor front side bus frequency400 MHz
Chipset nameIntel 845 (Brookdale)
Chipset “North Bridge”I845 MCH
Revision/Stepping B0
Chipset “South Bridge”ICH2
Revision/Stepping C0
Super I/O NS PC87360-ICK/VLA
Flash BIOS deviceFWH 4Mbit
Memory typeDDR
Memory speedPC2100 / PC1600
Memory sockets2 DIMM
Maximum memory2GB
Graphics supplierGraphic Card
Graphics configurationUp
Onboard graphics memoryN/A
Graphics connector (AGP)AGP 4x
TV-out deviceNo
TV-out configurationN/A
AudioAC’97 Down
AC’97 CODEC deviceADI1885
Audio jacks (legend below)M, LI, LO, SO, M/G
MMicrophone
LILine In
LOLine out
SOSpeaker
M/GMidi/Game
Ethernet 10/100 LAN supplierIntel Kinnereth
Ethernet configurationIntegrated, Down
IDE UDMA modesATA-100/66/33
Expansion slots (AGP/PCI/Exten)1 AGP, 3 PCI + Exten
USB ports4
USB front/back options2F + 2 B
Serial, parallel, floppy, PS2 Kbd and mouse2S, 1P, 1F, PS2 K+M
Serial port front chassis optionYes
Available Mfg options (legend below)U,L,A,S, PCI Extender
AAudio down on motherboard
CExternal L2 cache on motherboard
E 1394 on motherboard
GGraphics down (on motherboard or in chipset)
LLAN on motherboard (Ethernet) P - PCMCIA slot
SS3 power management support
TTV-out on motherboard
UGraphics card (up, not on motherboard)
WMS(R) Windows XP hardware compliant
FEATURE/SPECIFICATIONDESCRIPTION
Motherboard supplierASUS
System BIOS supplierASUS/Award
Form factorUATX -> ATX
Processor brandIntel
Processor socket typemPGA478
Processor familyPentium 4 (Willamette, Northwood)
Processor front side bus frequency400 MHz
Chipset nameIntel 845 (Brookdale)
Chipset “North Bridge”I845 MCH
Revision/Stepping B0
Chipset “South Bridge”ICH2
Revision/Stepping C0
Super I/O NS PC87360-ICK/VLA
Revision/Stepping ---------
Flash BIOS deviceFWH 4Mbit
Memory typePC2100 / PC1600
Memory speedDDR
Memory sockets2 DIMM
Maximum memory2GB
Graphics supplierGraphic Card
Graphics configurationUp
Onboard graphics memoryN/A
Graphics connector (AGP)AGP 4x
TV-out deviceNo
TV-out configurationN/A
AudioAC’97 Down
AC’97 CODEC deviceADI1885
Audio jacks (legend below)M, LI, LO, SO, M/G
MMicrophone
LILine In
LOLine out
SOSpeaker
M/GMidi/Game
Ethernet 10/100 LAN supplierIntel Kinnereth
Ethernet configurationIntegrated, Down
IDE UDMA modesATA-100/66/33
Expansion slots (AGP/PCI/Exten)1 AGP, 3 PCI + Exten
USB ports4
USB front/back options2F + 2 B
Serial, parallel, floppy, PS2 Kbd and mouse2S, 1P, !F, PS2 K+M
Serial port front chassis optionYes
Available Mfg options (legend below)U,L,A,S, PCI Extender
AAudio down on motherboard
CExternal L2 cache on motherboard
E 1394 on motherboard
GGraphics down (on motherboard or in chipset)
LLAN on motherboard (Ethernet)P - PCMCIA slot
SS3 power management support
TTV-out on motherboard
UGraphics card (up, not on motherboard)
WMS Windows XP hardware compliant

Layout and photos

Figure 1: layout
Figure 2: Photograph
1 - Mouse
2 - Parallel
3 - Gameport
4 - LAN
5 - USB
6 - Microphone
7 - Line-out
8 - Line-in
9 - Serial
10 - Keyboard

Clearing the CMOS settings

The Clear RTC RAM (CLR_CMOS solder points) allows you to clear the Real Time Clock (RTC) RAM in CMOS. It also allows clearing of date, time, and system setup parameter memories in CMOS, by erasing the RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, including system setup information.
CAUTION: Do not change any jumper setting while the computer is on. Damage to the motherboard can result.
  1. Turn off the PC and unplug the power cord.
  2. Use a small screwdriver to cross the CLR_CMOS solder point pins 2-3.
  3. Start the PC and press F1 to enter the BIOS setup and change the BIOS settings.

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