Complete info, manual and BIOS update for 650B-ATX

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Complete info, manual and BIOS update for 650B-ATX

Postby testmemem » Tue Jul 23, 2013 8:54 am

Hi everyone,

My english is very bad, so there are specs of my oldie motherboard. :wink:
(photo below, why it's not hyperlink "You must have 5 posts before you can post URL's/Links.". So I cheated rules of the forum, sorry. :roll: )
http://images.tinypic.pl/i/00420/p97smacitvsj.jpg -- [Fixed: HWJ]

650B-ATX REV 1.1 and KM650B/F002569 (sticker on last ISA port)
440BX & PIIX4E
Slot 1 ,1 AGP, 4 PCI, 3 ISA, 3 DIMM SDRAM, 2 IDE, 1 FDD
BIOS AWARD i440bx-19981010C-00
BIOS chip: FLASH P28F001 BXT150 U74651J1 (C)1990 1993
BIOS chip sticker: AWARD PCI/PNP BIOS 686 S/N 143094197 1998
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Postby Mr T » Tue Jul 23, 2013 11:52 am

Jamicon K650B...

Link to BIOS.. Here...

Have not found a good site for manual yet..!

Bear in mind the warnings here about the BIOS update...
I have been programming on computers since the ZX81.
I am an apprentice trained Electronics Engineer with qualifications to back it up.
I have been repairing computers since 1996.
Yet to some people I still know nothing...
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Postby testmemem » Tue Jul 23, 2013 1:10 pm

Ok, thank you for reply! Everything with motherboard is clear for me and I just wanted to know that I installed latest BIOS version on it. I found manual in deep archives of internet, it's for FastFame 650BX, but it match to my KM650B (no differences at all). :D So I can start build my retro machine for old games. :D
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Postby Hardware Junkie » Wed Jul 24, 2013 7:33 am

testmemem wrote:I found manual in deep archives of internet, it's for FastFame 650BX, but it match to my KM650B (no differences at all). :D


Looks like a match. Found a manual within a few google clicks.
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Postby Karlsweldt » Wed Jul 24, 2013 7:56 am

Nice to revive an old system! They will still work for many years, with few problems.. except for the current OS versions that require at least 1 GB of system memory and a CPU of 1 GHz or faster.. plus hard drive space of more than 20 gigs. The BIOS may not recognize very large cylinder counts, but setting a primary partition within the BIOS limits is easy and should work nicely. Secondary partitions can be somewhat larger, to utilize the entire drive space. But storage driver cards are available that alleviate the problem.
Look for the Zdoom game engine to download (free). Works nicely with recent OS versions of Windows, for game files ending in *.WAD like Doom and Heretic.
F@H.. to solve mankind's maladies.. in our lifetimes!
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Postby evasive » Thu Jul 25, 2013 4:16 am

We hate rut, but we fear change.
********************************
System error, strike any user to continue...
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Postby testmemem » Mon Aug 19, 2013 4:24 am

Yeah, WebArchive helps a lot with >10 year old stuff and non-existent today pages. Thank goodness for such a thing. :D

@Karlsweldt: I think so too, building such a retro machine is great lesson and fun. :) I don't bother with integrated IDE controller from 440BX, because it's so slow (max 33 MB/s) and making I/O errors with my combo CD/DVD. That's why I bought Promise Ultra100 TX2 IDE PCI. It have built-in BIOS, good compatibility with DOS and driver for W98SE and pretty fast with my 80GB WD Caviar. Maybe another day I will replace it with SSD ATA, maybe it won't burn traces on motherboard (such as speed). :mb_laugh7::

GZDoom is better, because Brutal Doom mod. :D
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Postby Karlsweldt » Mon Aug 19, 2013 12:11 pm

The i440BX design had higher than ATA 33 speed. Typically, ATA 100. But backwards compatible. I have an older Creative Blaster Slot 1 (M0003) system, vintage 2001, which I reserve for the old command-prompt games. Win 98 is the "last of the breed" to have a true command-prompt mode. I run a Pentium III in it, with 512 MB of memory. Very stable, and a 40 GB drive split 4x works nicely.
With having an IDE (PATA) storage interface, ensure that only the hard drives are on one data cable, and optical drives on a separate cable. Optical drives are not as fast as hard drives with data flow, and can cause sluggish performance if on the same cable as a hard drive. Then too, some hard drive types are not 100% compatible to different brands.
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Postby testmemem » Tue Sep 03, 2013 7:36 am

Hey guys, I have a very annoying problem with CPU upgrade to that motherboard. So at first, I bought 2 slotkets - random "FC-PGA Pentium III CPU Card rev1.1) and MSI's "MS6905 Master ver2.1" (the second worked in previous owner computer). After inserting in these slotkets Celeron 1000,800,633 and older PPGA Celeron 333, the motherboard don't start, there is no POST beep and "no signal" message on display. I cleared CMOS, took out battery - no result. I suspect that the source of problem is cropped and outdated 1Mb BIOS with lack of microcode for newer Coppermine CPU's. There is 2Mb BIOS too (the latest revision is dated from 2002 year), but I don't have required EEPROM 2Mb. :(
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Postby Karlsweldt » Tue Sep 03, 2013 10:59 am

You may be limited to a certain CPU range with that mobo. Later models of the i440 chipset did range out to 133 MHz FSB base, and up to 1.2 GHz CPU speed. But the most common was the 100 MHZ/600 MHZ CPU. The card edge has keyed contacts to set the FSB and multiplier. Several models of "Slotket" adapter cards can mount a Socket 370 CPU and make them work, with a series of jumpers set accordingly. But not in all cases. i440 Intel series reference:
Memory must be matched to the FSB speed ratio! If using PC-100, it will not clock to 133 MHz. If the POST process cannot page the memory for a pre-boot integrity check then likely no sign of life. If you have a POST diagnostics card, it would display the stepping code that is causing a "DOA" appearance. There are more than 100 'steps' in a POST process prior to handing over to the OS (bootstrapping).
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