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Please help with Athlon 1.2Ghz Multiplier

F

Freak2

Member
I have an Athlon 1.2Ghz (266 Bus) and I wanted to change the multiplier via the BIOS, however, it does not let me change the multiplier. It is physically unlocked on the chip, and my system is set for Jumperless config. My system specs are below. I pushed the sytem up to 1.35Ghz with the fsb pretty stable, and i could probably go slightly higher with the Multiplier, but it is grayed out. I have the latest BIOS version for my motherboard (see below). What do I do to change the multiplier?

CPU: AMD Athlon 1.2 Ghz @ 1.35 Ghz
Motherboard: ASUS A7A266
RAM: 512MB PC133 Kingston SDRAM
Trios Hard DRive selector with three hard drives:
1)120GB 7200RPM Wester Digital (Windows XP)
2)40GB 7200RPM Seagate (Windows XP)
3)6.4GB 5400RPM (Windows 98)
CDRW: CyberDrive 32/10/40
Zip 100MB
ATI Rage Fury Pro 32MB
Lian-Li PC-65 USB
 
the multiplier wasn't enabled in the bios a year ago, but if you have the latest bios, asus should have addressed this problem already. but if you still can't adjust the multiplier through the bios, then switch to jumper mode and use the jumper box to adjust the multiplier.
 
I got the latest bios, and it still didnt work. There are no DIP switchws or Jumpers on the mobo for the Multiplier. I cna only change the FSB. Any other ideas?
 
Not to hand out the suggestion that you may not want to hear, but...

I have not heard too many good things about the A7A266. I would, if possible, take your CPU to a friends that has a mobo that is successfully changing the multiplier and put in your CPU and try it out. If that doesn't work, then there is a problem with the unlock. If you have an AXIA or AYHA (sp?), I will tell you that I personally had to connect one of the four bridges on a 1.2 Ghz AXIA because it was partially cut. After that, it was fine.

In the long term, I would suggest buying a new motherboard. Either an EPOX, ABIT or Soltek. If you are looking for maximum overclocking options Go for the EPOX 8K3A which also uses the KT333 chipset that finally implements a 1/5 divider so that you can actually run in spec with your FSB at 166.

Even if you do not go nuts with the o/c, I would still reccomend a new board with either a KT266a, KT333 or an ALi Magik 1 Rev. C chipset on it. The Rev. B ALi Magik that is on the A7A266 is actually slower than the KT133a in a lot of benchmarks.

FYI...
The ASUS with the Rev. C is called the A7A266-E.
The ASUS with the KT266a is called the A7V266-E.
Basically as of late, any ASUS board that does not have a -E at the end is a less than desireable board.

Good luck,
Jason.
 
I will try it out in a friends computer in the next few days. Thanx for the tip. BTW, for FPSguy, no it is not set to auto - it is set to manual. I will not be getting a new mobo just for this, although I expect to get a new one in about 2-4 months. I am not sure if this mobo supports the Athlon XP (I would appreciate help on this point - I have BIOS rev. 1011). Even if it does, I am certain it will not support the Thoroughbred core, only the Palmino core. Nevertheless, I owuld like to know if it supports the XP Palmino with BIOS 1011.

Thanx
 
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