Reset password bios hp dx 6100 st

wrong parts, its not support by chipset
Memory -
One of the following
2-GB DDR Synch Dram PC3200 (400-MHz) Non ECC (2x 1GB)
Memory Speed Supported DDR Synch DRAM PC3200 (400MHz) non-ECC
Product documentation

there is a yahoo solution on hp bios password, look here:
Forgot HP Bios Password Need Master Password Yahoo Answers

In the rear, on the right side of the machine, there is a thumb screw. Try here for infohttp://h18000.www1.hp.com/products/quickspecs/11968_div/11968_div.HTML

read tutorial on how to reset BIOS password: http://www.windowspasswordsrecovery.com/articles/computer/how-to-reset-bios-password.html

Pull the battery, cmos battery, and power cord for 10-20 minutes

get in to bios by pressing F10 generally in all hp laptop that the way yo enter bios and then press F9 to reset default and then press F10 to save and exit and it will restart the system and chk

you have to open the back cover to reach the motherboard ..there u can locate a CMOS battery ..remove and insert again...it will reset BIOS password ...

short the pins of BIOS start the machine then again start the machine in normal mode.

The bios password can be reset on the motherboard.
Look on the hp website for instructions on bios reset.

The Password can be removed via the printer port
What you need is a password removal tool, It removes the Bios and start-up passwords.
It costs about £5.00. Easy to build but it costs more to put the kit together.
I think you were quite hard on the assistance.
People here are just trying to help. At least appreciate that!