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Motherboard Specifications, MS-6577 (Xenon)

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Motherboard information

Feature/SpecificationDescription
Motherboard Description
  • Manufacturer's name - MSI MS-6577
  • HP/Compaq name - Xenon
Motherboard Supplier MSI
Motherboard NameMS-6577 Rev 1
System BIOS Supplier MSI/Award
Form FactoruATX
Processor BrandIntel
Processor Socket TypemPGA478
Processor FamilyP4 and Celeron (Willamette, Northwood)
Proc. Front Side Bus Frequency400/533 MHz
Chipset Name845G
Chipset "North Bridge"845G
revision/steppingA1
Chipset "South Bridge"ICH4
revision/steppingA1
Super I/OWinbond
revision/steppingW83627HF-AW
Flash BIOS Device4MB Flash EEPROM
Memory TypeDDR
Memory SpeedPC2100/PC1600
Memory Sockets2 DIMM
Maximum Memory1 GB
Graphics SupplierIntel
Graphics ConfigurationDown, In Chipset
Onboard Graphics MemoryUMA/up to 48MB
Graphics Connector (AGP)AGP4x
TV-Out DeviceNo
TV-Out Configuration(N/A)
AudioAC'97 Down
AC'97 CODEC DeviceRealtek ALC202A
Audio Jacks (Legend below)M, LI, LO, SO
MMicrophone
LILine In
LOLine out
SOSpeaker
M/GMidi/Game
Ethernet 10/100 LAN SupplierRealtek RTL8101L
Ethernet ConfigurationPCI, Down
IDE UDMA ModesATA-66/100
Expansion Slots (AGP/PCI/Exten)AGP, 3 PCI
USB Ports6 USB 2.0
USB Front/Back Options2F+4B
Serial, Parallel, Floppy, PS2 Keyboard and Mouse1S, 1P, 1F, PS2 K+M
Serial Port Front Chassis OptionNo
Available Manufacturing Options (Legend below)-G, L, A
AAudio down on motherboard
CExternal L2 cache on motherboard
E1394 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)
WMicrosoft® Windows XP hardware compliant

Layout and photographs

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

Clearing the CMOS settings

The JBAT1 jumper allows you to clear the 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 such as system passwords.
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. Move the JBAT1 jumper cap from pins 1-2 (normal) to pins 2-3 (clear CMOS).
  3. Keep the JBAT1 jumper cap on pins 2-3 for 5 to 10 seconds, then move it back to pins 1-2.
  4. Plug in the power cord and turn on the PC.
  5. Enter BIOS setup to change BIOS settings.

Clearing the BIOS password

The BIOS password protects the BIOS from undesired changes. If password checking is enabled, and you need to disable it, use the following steps:
  1. Turn off the PC and unplug the power cord.
  2. Remove the JPWD1 jumper cap.
  3. To enter BIOS setup, start the PC and press the F1 key as the PC boots.
  4. Clear or reset the BIOS password.
  5. Save the BIOS settings and turn off the PC.
  6. Replace the JPWD1 jumper cap.

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