Pictures of Epox's latest board the 8k9a2+, shows a square heatsink with the epox logo. I think the rectangular heatsink with no logo was the first series, then came the round heatsink with epox logo and now the square one. So my guess is you have one of the latest boards. mwave sells enough of them to support my guess.
I have the round one, but I would think the rectangular one would get in the way less. You should be fine.
It should work fine. Give it a try and find out!
There are a bunch of options. For active cooling, you can get some of those Vantec Iceberg coolers or a Thermaltake Crystal orb like the ones here. There are some nice passive cooling options too, like this one. You could also design your own by combining something like this and combining it with a 45mm fan. Just do some browsing around the cooling shops and see what you can find.
The Alpha is designed to have the fan blowing away from the HS. The reason it has that silver shroud is so it pulls air in at the base of the pins, where the heat is greatest, and exhausts it off the HS. The reason behind this is because of the pin density of the Alpha. The pin configuration is so dense, that when you blow the air on the HS, it can't flow freely through the pins, and as a result, it raises the pressure as the air backs up in the pins, and causes your fan to be less effective. It will work blowing on the HS, but it works better and was designed for the reverse.
Sure it's possible. Just try it and see how it works. If it's unstable, then you will neeed to back it down. It all depends on the RAM.
Yes, you should put it on the 133mhz position.
That is a DEBUG LED. If you are having problem posting or with the board, it will tell you where the problem lies. Also, yes, it is still a good idea to connect the speaker.
You should be fine. If anything, the square heatsink should have more room than the round one. The person that had some trouble has the 8K5A3+ and that has a fourth DIMM slot that might make it more cramped around the CPU socket. You will be fine.
Insane ETAL,
This is about the most informative thread I've seen since the days when CompuServ was about the only "game in town".
Thanks, everybody for contributing to make the 8k5a2+=about the best overclockersince I took my IBM 286 from 6Mhz to 12Mhz when they were first released...and then I had to have two of them 'cause they were so dang HOT!and then I needed to network them 'cause it only made sense...$50Gs is what the project cost before it was over.
Similar to when my four new JBL Century 100s blew out the patio windows back in the '60s.
This is about the most informative thread I've seen since the days when CompuServ was about the only "game in town".
Thanks, everybody for contributing to make the 8k5a2+=about the best overclocker
since I took my IBM 286 from 6Mhz to 12Mhz when they were first released...and then I had to have two of them 'cause they were so dang HOT!and then I needed to network them 'cause it only made sense...$50Gs is what the project cost before it was over.Similar to when my four new JBL Century 100s blew out the patio windows back in the '60s.
Thanks People!
By the way, I got my Epox 8K5A2+ from cnetPC for $103 shipped...if that could help...I think it's cheaper than mwave
William
By the way, I got my Epox 8K5A2+ from cnetPC for $103 shipped...if that could help...I think it's cheaper than mwave
William
So do I need to add some type of fan for cooling on the mobo chipset? Or will it be fine with the stock heatsink on it? talking about 8K5A2+ btw.
No, you do not need active cooling for the NB. If you have some extra AS3 though, you can remove the pink thermal goop and use some of that, but active cooling is not needed unless you are going to run extremely high FSB's.
just finished installing a 1600+ into a 8k5a2+ board (round northbridge hs) with a 8045. my very first build of a computer. a few observations for those that may go down this path:
1. upon mounting the standoffs for the 8045 and checking alignment with the holes on the hs, they didnt seem to line up exactly. upon proceeding with the install however, it was possible to wiggle the screws with the spring to get all four into the standoffs without any problem.
2. while installing the cpu into the socket, i found that i had to press down slightly on the end of the cpu while relatching the release lever so that all the pins stayed well in the socket. without doing this it seemed that the cpu was getting raised out of the sockets a little at the end near the step. is this a normal thing?
3. pal8045: how much do you screw down the 8045's spring screws? the manual says "until the screw bottoms". a little ambiguous. i found after a while that the entire standoff and the plastic nut under the board were also turning, and decided to stop. is this because i didnt install the standoffs tightly enough on the board? used hand torque only in order to avoid board damage.
4. the 8045 cleared all components. the plastic washers for the standoffs have to be wiggled a little to make sure that they dont sit on some of the slightly raised components on the board (resistors?). if this is not done the standoffs are not quite vertical.
5. got a ys tech variable speed fan to go with the 8045. dont know where to mount the speed control knob. am i missing some mechanism?
Insane3D, can you comment on any of the above? Also, I was planning on having the fan blow in rather than out. your post above makes me reconsider. the alpha site seems to suggest that either would be ok, and that they chose to exhaust in their test setup only because they had cool air towards the bottom. your explanation is more detailed. how do you know this stuff? thanks.
1. upon mounting the standoffs for the 8045 and checking alignment with the holes on the hs, they didnt seem to line up exactly. upon proceeding with the install however, it was possible to wiggle the screws with the spring to get all four into the standoffs without any problem.
2. while installing the cpu into the socket, i found that i had to press down slightly on the end of the cpu while relatching the release lever so that all the pins stayed well in the socket. without doing this it seemed that the cpu was getting raised out of the sockets a little at the end near the step. is this a normal thing?
3. pal8045: how much do you screw down the 8045's spring screws? the manual says "until the screw bottoms". a little ambiguous. i found after a while that the entire standoff and the plastic nut under the board were also turning, and decided to stop. is this because i didnt install the standoffs tightly enough on the board? used hand torque only in order to avoid board damage.
4. the 8045 cleared all components. the plastic washers for the standoffs have to be wiggled a little to make sure that they dont sit on some of the slightly raised components on the board (resistors?). if this is not done the standoffs are not quite vertical.
5. got a ys tech variable speed fan to go with the 8045. dont know where to mount the speed control knob. am i missing some mechanism?
Insane3D, can you comment on any of the above? Also, I was planning on having the fan blow in rather than out. your post above makes me reconsider. the alpha site seems to suggest that either would be ok, and that they chose to exhaust in their test setup only because they had cool air towards the bottom. your explanation is more detailed. how do you know this
stuff? thanks.He's an expert, that's how!
X is an unknown quantity and a spurt is a drip under pressure!Xspurt!
Additionally, on the Alpha 8045U that I received, the installation instructions said to do it that way.
Also, I've seen mods that vent the exhaust from the 8045 with the fan mounted to SUCK into a homemade shroud that ducts the exhaust into the holes at the rear of the case and hence to the outside air. These mods happen to be made of (cardboard, in one case) plastic, as a rule.
I've also seen a review that asked the same ? as you, "blow or suck" and their tests proved that "SUCK" was two-three degrees cooler than "BLOW".
Now there's Xspurt for you.
thanks RideFree, also:
Y is an unknown quantity. a gasp under pressure is a suck so my question was: Ysuck?
But I guess my YS Tech has to suck if that be the efficient way.
Any ideas on what to do with the speed control knob on the YS Tech fan? I dont seem to be able to find a place to install it. Should I just let it dangle near the hsf with the wire zip tied?
Y is an unknown quantity. a gasp under pressure is a suck so my question was: Ysuck? But I guess my YS Tech has to suck if that be the efficient way.
Any ideas on what to do with the speed control knob on the YS Tech fan? I dont seem to be able to find a place to install it. Should I just let it dangle near the hsf with the wire zip tied?
Yup!
Z must be the snoring when I should have been paying attention.
So we have the three main tenets of Algebra, X, Y & Z.
(However, you did question Insane's adroitness; and he has led me down the path. (I followed his recipe for a [still locked-1400+] running at 166/166/1.75Mhz ? 2100+ according to the WinXP hardware report.)My guess (uneducated that it may be) is that a skillful "YS Tech review" thrown at google might (Y)ield an answer to your ?s RE: the speed control knob mounting.
I figure that the answer will be to put it on the backplane of the case, where it will be accessible from the rear.
:disgust::|:Q:frown:
deerslayer
Lifer
- Jan 15, 2001
- 10,153
- 0
- 76
I have the EPOX 8k5a2+ with a AROIA xp1600 and Samsun "TRUE" PC2700 (1x256).
When I put the FSB above 166mhz, it will boot into windows and everything, but I get blue screens of death. The little readout on the motherboard says FF when windows is running. What should it say? I see in the manual it says the BIOS chip could be inserted incorrectly, wrong update version of BIOS, mainboard problem, or an add on card inserted incorrectly. The only cards I have in my board are my video card, turtle beach sound card, and a 56k modem. Should I try reseating them?
Thanks,
Brett
When I put the FSB above 166mhz, it will boot into windows and everything, but I get blue screens of death. The little readout on the motherboard says FF when windows is running. What should it say? I see in the manual it says the BIOS chip could be inserted incorrectly, wrong update version of BIOS, mainboard problem, or an add on card inserted incorrectly. The only cards I have in my board are my video card, turtle beach sound card, and a 56k modem. Should I try reseating them?
Thanks,
Brett
Lynx01, Most XP1600 will do 166 @ default volt(but not all),so if you have good cooling?,Memory set to Normal,it might take a small boost in voltage to get stable,although usually it will reboot if you need voltage.how does it do if you set your fsb to say 145?
Toro
Toro
deerslayer
Lifer
- Jan 15, 2001
- 10,153
- 0
- 76
It runs extremely stable at 166fsb.
I was hoping to get higher though. I've tried bumping up the VCORE voltage and my RAM voltage is at 2.7
With the ram set at TURBO it wont detect my IDE drives, or I didn't wait long enough. With the ram set at FASTEST it will boot into windows. Right now i'm running at 171fsb, with no BSOD's yet. I ran for 5 hours yesterday at 172fsb, and then I got a BSOD.
Still wondering if the FF on LED1 is something I should be concerned about.
I was hoping to get higher though. I've tried bumping up the VCORE voltage and my RAM voltage is at 2.7
With the ram set at TURBO it wont detect my IDE drives, or I didn't wait long enough. With the ram set at FASTEST it will boot into windows. Right now i'm running at 171fsb, with no BSOD's yet. I ran for 5 hours yesterday at 172fsb, and then I got a BSOD.
Still wondering if the FF on LED1 is something I should be concerned about.
Help - do I have a bad memory stick?
Did a POST on my new build and my Corsair XMS2700 512MB is being read by the BIOS as a PC2100 module. DRAM speed and clock are set in BIOS to "BY SPD". Looked at Corsair's FAQ and they do program the SPD of the XMS2700 to 2700. So does this mean that I have a bad module or is this due to some setting on the BIOS (I have a 8K5A2+ board)?
Did a POST on my new build and my Corsair XMS2700 512MB is being read by the BIOS as a PC2100 module. DRAM speed and clock are set in BIOS to "BY SPD". Looked at Corsair's FAQ and they do program the SPD of the XMS2700 to 2700. So does this mean that I have a bad module or is this due to some setting on the BIOS (I have a 8K5A2+ board)?
You may want to set your ram to normal & just work on finding the limits of your cpu for now.Once you know that you can start increasing your memory timings.
Here are my numbers to give you a reference point.
max fsb174 @1.75default voltage
max fsb180 @1.90 volts
Once I go over 174fsb I have to start raising voltage on cpu,so for now I run it happily at 174fsb with a Thermalright AX7 & YSTech adjustable fan
My Crucial PC2700 does'nt like any thing better than the "Fast setting" at 174 with out upping the voltage,so for now thats where she sits.
Sounds like you may have already found the limits of your ram,it's going to take some schweet ram to run 172 & up on Turbo
Don't worry about the FF,that can come up when you push things to far.
Toro
deerslayer
Lifer
- Jan 15, 2001
- 10,153
- 0
- 76
I COULD be wrong, but I believe that if you're running at default bus speeds it will recognize it as pc2100, my samsung did this also until i overclocked to a fsb of 166. I think there is a seperate setting for the bus speed of the ram, but i'm no pro at this so you may want another person's opinion.
The problem seems to have resolved itself. Seems to have been BIOS related. I was seeing the PC2100 value when there was some other BIOS issue.
The message on the POST screen said something like "CPU changed, please change CPU Ratio and save settings". After I made some other change and saved the BIOS settings, the memory started correctly being recognized as 333Mhz, PC2700.
However, why is the SDRAM cycle length in BIOS being automatically set to 2.5? It cannot changed when by SPD is selected. My module is a CAS2. Shouldn't the SDRAM cycle length be set to 2?
So you changed out the 8045 for the AX7, right?
Do you have the comparative before & after temp readings?
We, the curious, have a right to know.
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