Abit AI7@1:1 performance

[Sir Lancelot]

Hi guys,


I am wondering about the performnce of this board with fsb @ 1:1.

I know that with the dividers on (5:4 and 3:2), the 875 chipset is better, but with 1:1??

I heard that with 1:1, it even performs better than 875...



Thankx

[Soulburner]

It will be the same if you use full PAT but you can only go to 250fsb doing that (667 strap).

[Vitalizer]

my ai7 sux big time.. ive tryed 2 pairs of bh-5s none of them makes 240fsb(3.2v)(1:1)+ stable. gonan sell mine. it doesnt matter what timings i use.

[PytonOrm]

:( AI7 and performace it´s suxs all way.... bandwith to :) not to compare with i875 chipset.. 2 x Abit max 3 i have :D

[Karnivore]

Originally posted by PytonOrm
:( AI7 and performace it´s suxs all way.... bandwith to :) not to compare with i875 chipset.. 2 x Abit max 3 i have :D


LOL, its pretty obvious you haven't used an AI7 setup correctly...

[althes]

The ai7 is a better board than the max3 imho.
My ai7 did hit 300fsb with ease ram went to 270fsb with ease and it worked well with the prescott.

[skate2snow]

Originally posted by Soulburner
It will be the same if you use full PAT but you can only go to 250fsb doing that (667 strap). Can I know where did you get that??? Because that is SO wrong/not true. It will do as good w/ PAT enabled, I can do 255FSB, which is as much as I can do w/o PAT....

[naughty_guy]

slightly off topic, but how do you enable full PAT with 5:4 ratio?

[skate2snow]

Just put the NB strap at 667, and PAT will ALWAYS be enabled....

But note that at NB strap 667, CPUZ will most commonly not show the good RAM clock....

[-=TriX=-]

sorry intel newbie question...what does North Bridge(?) strap @ 667 mean? Those BIOS settings?

[naughty_guy]

if i set the NB to 667, what should i set the ratio of FSB:ram?

[skate2snow]

At 1:1, it will give you 1:1 as FSB800, and 5:4 too....

[naughty_guy]

i set the NB to 667, FSB to 235, 1:1, 2.8-3.1Vdimm, locked PCI/AGP @ 66mhz , but no boot

[caligula]

Sorry to re-open this thread.
AI7 is a brilliant performer on 5:4. Same performance as P4C800.
Tested it with 2 and 4 256MB SS micron rev5b memory sticks at PSB667, same performance (full PAT enabled) :slobber:
See for yourself.

Image1: CTIAW on 4 sticks
Image2: memory performance, PAT enabled, 4 sticks, 273 5:4 PSB667
Image3: memory performance, PAT enabled, 2 sticks, 273 5:4 PSB667
Image4: memory performance, PAT disabled, 4 sticks, 273 5:4 PSB800

Something IS weird here, don't know what.
I have almost the same results with same memories and CPU on P4C800D-E using Turbo performance, PAT enabled and 273 5:4.

[Romaster]

bandwith to

that was a joke right?

on my 3.2E @ stock w/ full pat (or gat as abit calls it) 2-2-2-5-1t ballistix pc4000, I get 5300mb/sec bandwidth which is amazingly high.. my friends p4p800 gets like 4900.. which is pathetic compared to mine....

The AI7 is one of the best boards, and for the money it costs, it IS the best deal out there.. definetly... i'm not dissapointed 1 bit... i still need to try and get older bios on it and see if I get a 14x multi workable.. that would be a miracle for all ai7 owners :)

[DrJay]

i still need to try and get older bios on it and see if I get a 14x multi workable.. that would be a miracle for all ai7 owners
Romaster: You can't use a 14x multiplier on your AI7? I havn't heard of that problem before. What happens if you install a 2.8 800fsb processor?

Jay

[caligula]

that was a joke right?
on my 3.2E @ stock w/ full pat (or gat as abit calls it) 2-2-2-5-1t ballistix pc4000, I get 5300mb/sec bandwidth which is amazingly high.. my friends p4p800 gets like 4900.. which is pathetic compared to mine....


Should your Ballistix have Micron rev 5b chips, you can go as high as 225-230 MHz 5-2-2-3 (P4C800 can go stable at 5-2-2-2.5, dunno why) and up to 265 MHz 5-3-3-3. Tremendous results await you :)
The only thing that bothers me at AI7 is uGuru. Maybe an IS7 will be the alternative, but I don't know its memory voltages. As for "best buy", for extra 10 bucks you can get an EpoX 4PCA3I which gives you 3.3V for the memory, i875p (full pat though) - the real thing, no PSB667 or GAT gimmicks.

[The Runner]

I picked up a Ai7 + 3.2E sl7b8 but decided to return it for a refund. Cause I was hoping I'd get a better stepping chip for me to bother to keep it.

I have used the ai7 before, and it is an excellent motherboard.

[Romaster]

Romaster: You can't use a 14x multiplier on your AI7? I havn't heard of that problem before. What happens if you install a 2.8 800fsb processor?

if you install a 2.8 800fsb obviously it will be 14x multi.. I'm going to try the famouse trick of using an old bios on my 3.2E(which is 16x by default) and hoping it will boot it as 14x... If that works, I can push my ram to the limit..
If i cant get a 14x working, my $300 investment in ram will be somewhat less worth it.. as I am on air cooling and you cant really do much beyond 3.6ghz on air... (its an alpha pal 8942.. a good heatsink but I might get a XP-90 as my next one and turn the pal into a x800 heatsink :) )

Should your Ballistix have Micron rev 5b chips, you can go as high as 225-230 MHz 5-2-2-3 (P4C800 can go stable at 5-2-2-2.5, dunno why) and up to 265 MHz 5-3-3-3. Tremendous results await you
I was able to run 2225 @ 227 fsb somewhat stable.. I did a couple sandra mem tests and it crashed on the 7th go... Im sure it will run stable @ 2.5-2-2-5 tho or maybe higher volts.. I pump in usually 2.8V 24/7 useage..
very nice memory indeed tho :cool:

as for uguru.. Im ok with it.. the little led thing can be somewhat useful in some cases... otherwise uguru offers nothing new or better..I like having the controls for the nb fan and cpu fan.. if my cpu fan was a 3pinner, I'd use it.. 40db is quite audible or whatever its at..

the IS7 although a good motherboard, if i recall maxes at 2.8V? someone correct me if im wrong.. and I beleive there are rumors that only the Vtt or vdd or whatevr it was called (i think its vtt) only works correctly on the AI7.
the ai7 is little more than an improved is7 really..I find it kinda off though that abit takes relatively the same pcb for every board and modifies it.. like it says sata4 and sata 3 near the botton but it appears to be desoldered and a couple small capacitators Seen on other boards of abit are not present etc etc

[DrJay]

if you install a 2.8 800fsb obviously it will be 14x multi.. I'm going to try the famouse trick of using an old bios on my 3.2E(which is 16x by default) and hoping it will boot it as 14x...
Yeah, I get it now.... It wasn't obvious to me at first though as I didn't realize you were talking about using that trick to unlock the multis on your cpu. Rather, I thought you were referring to some kind of problem with your AI7.