Re: Can i upgrade my Phoenix bios 4.0 release 6.0

Re: Can i upgrade my Phoenix bios 4.0 release 6.0

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Posted by Henry on September 23, 2001 at 10:46:10:

In Reply to: Can i upgrade my Phoenix bios 4.0 release 6.0 posted by qui ha on September 23, 2001 at 00:48:00:

: does anyone know if i can upgrade my bios on my Sony Laptop PCG-Z505JSK? if so, where can i get the update? i cant seem to get the memory to go above 256 and my harddrive to go past 12 gb? anyone have any suggestion.

BIOS update probably will not increase the memory (RAM) limit of your laptop - that is usually a chipset limit. IF there is a BIOS update you should look for it on Sony's web site.

I'm a bit surprised at the 12GB HDD size limit - most BIOS had limits that were 0.5, 2.1, 8.4, 32, 128GB. Is it possible that your HDD has a cylinder limit jumper installed (limits apparent HDD size)?

If Sony does not have a BIOS update for your laptop then your choices for using larger HDD is limited. You can get a custom (expensive) BIOS from Unicore at:

Your HDD maker MAY have a drive overlay program to enable using larger HDDs on your PC. Drive overlays do not always work (incompatible with BIOS), may be incompatible if you have different make/model HDDs on your system (NOT usually a problem on a laptop) and it may be difficult or impossible to remove without losing your files. There is a good article on drive overlay removal at:

Some drive overlay names are Disk Manager, EZ-Drive and EZ-BIOS.

Good Luck,

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