Question about Toshiba Satellite A105 Notebook

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How can I get at the motherboard to remove the CMOS battery, or the JBAT1 plugs?

I am a novice with computers, so I know absolutely no terminology or anything. How can I get at the motherboard to remove the CMOS battery, or move the JBAT1 plugs? Will this erase the data on my computer? Pictures would be nice, but a vivid description will do. Thanks in advance.

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This will take you to the posting referenced by sandrew: http://www.fixya.com/support/t129319-laptop_freezes_during_startup_before

Posted on Jan 05, 2007

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See other post about warranty, do not touch any components

Posted on Jan 05, 2007

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1 Answer

Clear CMOS Jumper JBAT


Unplug the power cord and remove the RTC battery,quarter size watch type battery, for 10 min's.Put the battery back in and power it up.that should clear the cmos

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Video controller ( vga compatible ) required


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Aug 15, 2011 | MSI 865GVM3-V Motherboard

1 Answer

I m having trouble with my SONY VAIO (VGN-FE770G). i forgot my bios password. kindly send me a solution.


The most common way that we know on how to reset or clear the BIOS password is to physically remove the power from the computer by disconnecting the power plug and then removing the Cmos battery for 30 minutes from the motherboard. Another way is to reset the clear CMOS jumper on the motherboard itself. Both of the 2 methods mentioned works because most motherboards use a battery to sustain the BIOS/CMOS settings for the motherboards PROM chip. So by cutting off cmos the battery power, the BIOS/CMOS settings will be erased. Hope this helps

Jul 03, 2011 | Computers & Internet

1 Answer

Where is the clear bios jumper in my mis k9n6pgm-FI motherboard


JBAT1 is right next to the SATA2 connector.

Clear CMOS Jumper: JBAT1
There is a CMOS RAM on board that has a power from external battery to keep the data of system
configuration. With the CMOS RAM, the system automatically boot OS every time it is turned on. If you
use the JBAT1 (Clear CMOS Jumper) to clear data. Follow the instructions below to clear the
data:

You can clear CMOS by shorting 2-3 pin while the system is off. Then return to 1-2 pin position.
Avoid clearing the CMOS while the system is on; it will damage the mainboard.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response

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May 21, 2011 | MSI K9N6PGM-F Socket AM2/ nVIDIA MCP61V/...

1 Answer

Where is cmos reset jumper? Is it near battery,


Try

http://support.acer.com/acerpanam/manuals/acer/0000/servicemanuals/S.G_Aspire_M5640_M3640M1640_BOOK_VerC.pdf


page 77

label CLR CMOS 3 pin type 1-2 clear 2-3 normal

May 16, 2010 | Acer Computers & Internet

1 Answer

Cmos


Hi stan_z4, do you have the manual for you're board?
I'm showing the P4VMM2 is made by ESC = EliteGroup.
Which is not listed above (Intel D845EPI).
If you do have the board EliteGroup P4VMM2 than turn to page 11 in the user manual. The jumper for the cmos/bios JBAT1, Pins must be set to 1 & 2. If JBAT1 is set to pins 2 & 3 you will reset you're bios every time you boot up.

Don't have you're manual? Click on the link.
http://www.ecs.com.tw/ECSWebSite/Downloads/ProductsDetail_Download.aspx?detailid=272&DetailName=Manual&DetailDesc=P4VMM2%20%20(V3.2A)&CategoryID=1&MenuID=82&LanID=0

Mike

Apr 28, 2008 | Intel D845EPI (INTELKD845EPILPAK10)...

1 Answer

Windows boot password reset


to delete any bios password, remove the cmos battery and locate the bios clear terminals, normally called JBAT1, CLRCMOS, CLRCLK or similar, refer to the manual.

Nov 26, 2007 | ASUS M2N-MX Motherboard

1 Answer

Won't Boot up


you need to locate the JBAT1, CLRCMOS,CLRCLK, or similair terminals to clear the cmos settings or try removing the cmos battery, althogh you may need to do both as this will set the clock speed back to default

Oct 11, 2007 | MSI K7N2G-ILSR (MS-6570G-020) Motherboard

1 Answer

Bios password


You have to locate the cmos battery on the motherboard and remove it for a few minutes, and possibly need to locate the clear cmos terminals and short the cmos terminal pins, but the name of the pins you need to locaye depends on the motherboard, normally JBAT1 terminal or CLRCMOS or CLRCLK or similair.

Sep 24, 2007 | Fujitsu Siemens LifeBook N6110 Notebook

1 Answer

No video etc.


on the motherboard will be a JBAT1 terminal with the jumper across pins 1-2, so put jumper on pins 2-3, then back to pins 1-2. If not JBAT1, then it may be a 2 pin terminal called CLRCMOS, of which you put a jumper across the two pins for seconds then remove. Although, i can't think of a way to update the bios without seeing whats on the screen.

Mar 27, 2007 | ASUS Intel 440BX Chipset P2B Motherboard

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