Monday, July 11, 2011

How to clear CMOST setting and BIOS password

Visit this link for instruction
http://bizsupport1.austin.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00069442#doc  

OR below:

HP and Compaq Desktop PCs - Motherboard Specifications, A7V8X-LA (Kelut)


Motherboard specifications table
Motherboard Part / Feature Specification / Support
Motherboard Description Mb manufacturer name: ASUS A7V8X-LA

HP/Compaq name: Kelut-GL6E
CPU Socket A

Supports AMD Athlon XP 3200+ processor (2.20 GHz/400 MHz/Barton core)

Maximum approved processors:
  • Athlon XP 3200+ Barton Processor (2.20 GHz, 400MHz)
  • Athlon XP 2700+ Thoroughbred Processor (2.16GHz, 333MHz)
Chipset VIA KM400A

VIA VT8237
Front Side Bus (FSB) 400 / 333 / 266 MHz
Memory 2 x 184-pin DDR DIMM sockets

Support up to maximum 2 GB memory (PC manufacturer's maximum memory may differ)

Supports unbuffered PC2700/2100 non-ECC DDR SDRAM memory
Expansion Slots Three PCI slots

One AGP 8x/4x (1.5V)
Storage Two UltraDMA 100 IDE connectors

Two Serial ATA connectors
Integrated Graphics VIA UniChrome graphics
Audio Realtek AL658 six-channel AUDIO CODEC

Digital audio via an S/PDIF out interface
LAN Southbridge integrated 10/100 Mbps

VT6103 LAN PHY
Hardware Monitoring Super I/O integrated monitoring of: CPU/chassis fan, MB/CPU temperature
Rear Panel I/O Ports One Parallel

One Serial

One PS/2 Keyboard

One PS/2 Mouse

One RJ45 port

One Audio I/O

One VGA

One IEEE 1394

Four USB 2.0/1.1 (Two connectors)
Internal I/O Two USB connectors support additional four USB 2.0 ports

One IEEE 1394 connector for an additional IEEE 1394 port

CPU/chassis fan connectors

20-pin ATX power connector

Front panel connector

CD/AUX connectors

Front panel audio connector
BIOS Features 4Mb Flash ROM

Award BIOS

Enhanced ACPI

DMI 2.0

Green features

PnP features
Industry Standard PCI 2.2

USB 2.0/1.1
Manageability WOL

WOR

Wake on PS/2 mouse
Support CD Contents Device drivers

ASUS PC Probe

ASUS Screen saver

Award BIOS Flash Utility

Adobe Acrobat Reader

Trend Micro PC 2002
Form Factor Micro-ATX form factor: 9.6 inches x 9.6 inches (24.38 cm x 24.38 cm)

NOTE: Motherboard specifications are subject to change without prior notice
Motherboard layout and photos
Figure 1: Layout
Figure 2: Photo
Figure 3: Backplate
1 - Mouse
2 - Parallel
3 - IEEE 1394 FireWire
4 - Local Area Network
5 - Line-In
6 - Line-Out
7 - Microphone
8 - USB 2.0
9 - VGA
10 - Serial
11 - Keyboard
Clearing the CMOS settings
The Clear RTC RAM (3-pin CLRTC) jumper 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. Move the CLRTC jumper cap from pins 1-2 (normal) to pins 2-3 (clear CMOS).
  3. Keep the CLRTC 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. Press F1 as the PC starts to enter BIOS setup and change BIOS settings.
Clearing the BIOS password
The BIOS password protects the BIOS from undesired changes (password checking is disabled by default). 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. Move the CLRPWD jumper cap from pins 1-2 to pins 2-3.
  3. Press F1 as the PC starts to enter the BIOS setup .
  4. Clear or reset the BIOS password.
  5. Save the BIOS settings and turn off the PC.
  6. If desired, reactivate BIOS password checking by returning the CLRPWD jumper cap to pins 1-2.

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