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Conference noted::ibmpc-95

Title:IBM PCs, clones, DOS, etc.
Notice:Intro in 1-11, Windows stuff in NOTED::MSWINDOWS please
Moderator:TARKIN::LINND
Created:Mon Jan 02 1995
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:3023
Total number of notes:28404

2934.0. "BIOS Upgrade for 'old' DEC LP?" by ALFAM7::SIEBOLD (Thomas, TSO Munich - ALPHAholics can not be VAXinated!) Wed Feb 26 1997 02:21

Is there a way to upgrade the BIOS of my DEC 466 LP to a newer version? I am 
running a 1992 or 1993 version. I would like to be able to add an IDE driver
with more than 512 MB.

Any pointer sto where I can get a new BIOS and instructions on how to do it?

thanks
	Thomas
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2934.1BIOS upgrade not strictly necesary.PGREEN::HAYESIIs that a warp nacelle in your pocket...?Wed Feb 26 1997 08:5812
    I unpgraded my LPv 425 by adding a 1.2 Gb disk onto the IDE channel.
    
    With the disk came a floppy with special drivers to allow the system to
    avoid the 512Mb restriction. It was a Western Digital caviar I think.
    
    No BIOS change necessary.
    
    Anyway, the set up works absolutely fine - under W3.1 initially and now
    under W95.
    
    Ian.
    
2934.2CFSCTC::SMITHTom Smith MRO1-3/D12 dtn 297-4751Wed Feb 26 1997 10:0415
    _If_ you can get an updated BIOS, you would get it from the BIOS
    supplier. I don't know offhand which BIOS is in the 466 LP, but I'd
    guess it's Ami or Phoenix. Some of the telephone numbers are:
    
    	AMI	+1 770 263 8181
    	Phoenix	+1 617 551 4000	(also Micro Firmware at +1 405 321 833)
    	Award	+1 415 968 4433
    
    An updated BIOS is nice, but it's not free, and, as noted in .1, it's
    not necessary. The software solution works (and it's free with your
    drive). I had both a 2.1 GB and a 1.0 GB drive running without problem
    on my 386SX LP before I upgraded. As with anything else, just read the
    instructions thoroughly _before_ installing.
    
    -Tom
2934.3LP BIOS updatePCBUOA::GKELLEYWed Feb 26 1997 11:058
    To update the BIOS on the LP, you need to change the BIOS chip (its not
    flashable). The only update for the LP is to suport the Intel Pentium 
    Overdrive processor. Do not get a BIOS off any other site, Digital
    makes changes to its BIOS that make it incompatible with generic BIOS
    releases.
    
    regards,
    glen kelley 
2934.4don't waste your timeODIXIE::SIMPSONTPC = world's biggest con job!Wed Feb 26 1997 12:5510
    re:.last  In otherwords, don't waste your time trying to get an
    upgraded BIOS from a third-party BIOS company.  Digital's BIOS is
    proprietary and they can't/won't do anything with it.
    
    I called a couple of BIOS vendors to see if I could get a PnP compatible 
    BIOS and BIOS support for big disks for my LPx system several months ago, 
    and verified this.  Bummer...
    
    Regards,
    Tom
2934.5don't think soWKOL10::WALLACEDavid Wallace, SBU Sales, @WKOWed Feb 26 1997 16:0111
    The original DECpc LP from 1992 had a BIOS ROM chip that is
    non-flashable (that was not standard technology at the time).  I don't
    believe any updates were released for the LP to address bigger hard
    drives, etc.
    
    You could use something like On-Track Disk Manager (which comes with
    larger hard drives) to accomplish your mission...
    
    Regards,
    David.
    
2934.6Try a Promise ISA or VLB controller.ACISS2::BEJCEKWed Feb 26 1997 19:5910
    Promise makes EIDE cards (I installed a VLB model) for about $ 50.  All
    you do is disable the on board IDE, plug in the (VLB or ISA) card and
    move over the cable.  The Promise board has an on board BIOS that will
    handle the large drives.  Installation is easy.  If you can afford
    about 6-7K of low memory, there is also a driver which will
    significantly speed up disk transfers (2-4 times).  Also upgrades your
    serial and parallel ports to high speed.
    
    Bob