8KTA3PRO freebie...

[Gputz]

Hey,

I was just handed a home-built machine with an EPoX 8KTA3PRO MB. I know this board has to be off the grid at this point, but does anyone know how to determine what is the maximum supported processor?

WCPUID says it has a Duron 1Ghz with an Award BIOS dated 5/28/03. I assume I can upgrade to an Athlon XP but I don't know for sure or how fast...

Anyone still using one of these? What pro do you use?

Thnx,
David

[SteveI]

If memory serves me correctly, it should be a KT133 or KT133a mobo.
If it is a KT133a, the best CPU might be a thunderbird 1.4ghz. I can't say for sure if it supports AXPs at all.

[cadaveca]

i have an XP on a gigabyte kt133a...

[EPoX Tech]

Hiya - good news is that it will support Palamino. Bade news is that they are quite hard to find

[Gputz]

Originally Posted by EPoX Tech

Hiya - good news is that it will support Palamino. Bade news is that they are quite hard to find

Thanks for the feedback.. I did talk with another subscriber who's been running two 8KTA3 boards with an XP2400+ TBred. That I can find. I think I can safely assume the newer 8KTA3Pro will support the same processor.

Thanks again.

David

[EPoX Tech]

The problem there is though that the PWM of the board does not support the current (impedance) requirement of 0.13 micron CPU's and hence will fail prematurely.

[Gputz]

Originally Posted by EPoX Tech

The problem there is though that the PWM of the board does not support the current (impedance) requirement of 0.13 micron CPU's and hence will fail prematurely.

EPoX Tech,

Can you help me understand what PWM spec is exceeded when using the 0.13µ TBred vs. the 0.18µ Palomino? I found the following power requirements for the two cpu's. In many ways the TBred has lower current demands than the Palomino: (I picked the XP2000+ for both examples.)

Also, this from Anandtech.com review of the TBred:
"The 0.13-micron Athlon XPs should work just fine in existing Socket-A motherboard platforms that already supported the Palomino; the main requirement for proper operation with these motherboards is BIOS support."

David


Athlon XP-2000+
(1.66GHz Palomino)

• Core Voltage - 1.75V (1.7V~1.8V)

• Core Voltage Upper Limit - 2.1v

• Typical Current Working State - 35.7A

• Maximum Core Amperage - 40A

• Typical Power Dissipation - 62.5W

• Maximum Power Dissipation - 70W

Athlon XP-2000+
(1.66GHz Thoroughbred)

• Core Voltage - 1.6V (?V~?V)

• Core Voltage Upper Limit - 2.0v

• Typical Current Working State - 34.2A

• Maximum Core Amperage - 37.7A

• Typical Power Dissipation - 54.7W

• Maximum Power Dissipation - 60.3W

Even the XP-2400+ is very close to the Palomino specs:

Athlon XP-2400+
(2.0GHz Thoroughbred)

• Core Voltage - 1.65V (?V~?V)

• Core Voltage Upper Limit - 2.0v

• Typical Current Working State - n/a

• Maximum Core Amperage - 41.4A

• Typical Power Dissipation - 62W

• Maximum Power Dissipation - 68.3W

[EPoX Tech]

Whilst the above does read well it doesn't unfortunately translate very well into design or pre-design for such chips

Thoroghbred does require through its sensitive switching architecture a PWM that can handle in excess of 46A even when its draw isn't that high - it is the same as some Celeron D processors needing full Prescott support mainboards whence their TDP is lower than that of some Northwood processors - black and white can sometimes unfortunately be a very murky grey

[sasrob]

this was my frist epox mobo i started with a amd1800xp and updated to a amd 2200xp then ended up with the amd2400xp i did not have any problams with the amd1800 and the 2200 but the board would not see the 2400xp but the speed was right i updated bios but the board would not see the amd2400xp but as i said the speed was fine so i went with it for around 2-3years i liked this mobo as it was the frist board set up at home!!!!!

[nerius]

Well, i have a 8KTA3+PRO board on my other computer
running Athlon XP-2400+ (2.0GHz Thoroughbred)
with 2 512mb RAM (1024mb 133mhz) with latest bios from 2003
with no problems at all.

[Flarkit]

According to Epox's CPU list, the 8KTA3Pro will handle up to an 2000+ Palomino.

My girlfriend's also 8KTA3+Pro user (not the 8KTA3Pro), and I installed an XP 2100+ T/bred "B" quite fine. The CPU was also not recognised by the BIOS, but it's running at the correct speed.

[darthazazel]

I have epox 8kta 3pro with 2003 bios and i cant find atlhon 2000 or 2400 around here, but i can find sempron 2000, 2200 and 2400, or Duron 1800 they can work?

Thanks
DarthAzazel

[Repo Man]

If Andy says a T-bred will cause a premature failure of the voltage regulator, I believe him (he knows his stuff, and why would he lie?). But you can always try and see how long it will last. It was free after all. Or play it safe and go with a Palomino.

If it is a backup just for fun system, try the T-bred and see. If it is something to give to a relative or friend, go with the Palomino.

[l33t_baller]

Originally Posted by EPoX Tech

Hiya - good news is that it will support Palamino. Bade news is that they are quite hard to find

non-sense i have 1800+ Palamino easy to find and very cheap

[darthazazel]

Hi, if i buy a sempron 2000 o 2200 will work with 8kta3pro? plz help.
Or Duron 1800

Thank u all
DarthAzazell

[EPoX Tech]

Originally Posted by l33t_baller

non-sense i have 1800+ Palamino easy to find and very cheap

Show me where is selling them .............

[darthazazel]

Hi, i try with sempron 2400+ and the board seem the processor like xp1500 but it works, i will hace any problem? im just testing, because i need to buy a good processsor in that mb, and i can fin duron 1800 266 fsb... what you all think? i have 2003 bios.
Thk

[darthazazel]

hace=HAVE... sorry

[dsio]

The Duron is probably the better bet. The semprons have had some issues on older boards.

[robbie]

Or you can just take the 1 gig duron and run it @1.333 by upping the fsb to 133 rather than 100.
$.02