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PRINT (HTTPS://FORUM-EN.MSI.COM/INDEX.PHP?ACTION=PRINTPAGE;TOPIC=43788.0) Topic: cpu fan problem (Read 3256 times)
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0 Members and 2 Guests are viewing this topic. Riko (https://forumen.msi.com/index.php? action=profile;u=39571) STAFF SERGEANT
cpu fan problem (https://forumen.msi.com/index.php? topic=43788.msg262724#msg262724) « on: 05-March-04, 23:09:01 »
Offline Posts: 87 i just got the k8t neo motherboard the only problem that i got is that when i connect the cpu fan to the CFAN1 slot, the fan doesnt work :S i had to connect it to one of the standard fan slot any thoughts on this one? MSI K8T NEO AMD Athlon 64 3000+ Logged
MSI K8T Neo-FIS2R AMD Athlon 64 3000+ Kingston Hyper X 3500 512 MB DDR Maxtor 250 GB HDD Maxtor 40BG HDD GeForce 6800GT LG DVD\CD-RW Combo CD-ROM 52X Logitech Z560 4.1 speakers (with 8 speakers total plus the sub) Raidmax 420 W PSU
Jocko Guest
« Reply #1 on: 05-March-04, 23:35:33 »
Hi Does it work OK on the SFAN header.? Do you have the Core Center loaded, does it show on there.? In Bios setup, PC health status, is it enabled, and does it show fan speed? Cheers jocko Logged
Riko (https://forumen.msi.com/index.php? action=profile;u=39571) STAFF SERGEANT Offline Posts: 87
« Reply #2 on: 05-March-04, 23:42:06 »
i have another fan connected to SFAN and it works, core center IS loaded and it only says cpu temp 40 C but i suppose i cant change cpu fan speed since it isnt connected to the cfan the System temp says 28 C and the NB temp says N/A By the way: whats the NB? and maybe if you could tell me how to load the bios setup i dont really know anythung about bios and that stuff Logged
MSI K8T Neo-FIS2R AMD Athlon 64 3000+ Kingston Hyper X 3500 512 MB DDR Maxtor 250 GB HDD Maxtor 40BG HDD GeForce 6800GT LG DVD\CD-RW Combo CD-ROM 52X Logitech Z560 4.1 speakers (with 8 speakers total plus the sub) Raidmax 420 W PSU
Riko (https://forumen.msi.com/index.php? action=profile;u=39571) STAFF SERGEANT Offline Posts: 87
« Reply #3 on: 05-March-04, 23:52:09 »
i entered the bios and the chasis intrusion says disbled and the cpu fan and north bridge fan are at 0 (zero) speed what can i do? Logged
MSI K8T Neo-FIS2R AMD Athlon 64 3000+ Kingston Hyper X 3500 512 MB DDR Maxtor 250 GB HDD Maxtor 40BG HDD GeForce 6800GT LG DVD\CD-RW Combo CD-ROM 52X Logitech Z560 4.1 speakers (with 8 speakers total plus the sub) Raidmax 420 W PSU
Jocko Guest
« Reply #4 on: 06-March-04, 00:01:20 »
Hi NB stands for Northbridge, but on your system instead of being a seperate chip, it is within the CPU. Trying it on SFAN was just to check fan worked, and it wasn't a broken wire, or fault with header. 40 deg is fine, mine runs at 44 C Bios setup = When you reset or switch on, press the DEL key, at bottom right of keyboard. After the SATA post screen, it will bring up a blue screen, mouse won't work, use arrow keys and enter key to navigate, Read the second part of manual, it will tell you what and where things are. Default safe settings are best for a couple of days to get it run in. On the Advanced Bios features go to BOOT SEQUENCE press enter and set the boot sequence that suits you, I use floppy, CD, HDD. Use ESC to go back to main screen. on first screen CMOS features, the item at bottom Disable/enable boot sector virus protection, is worth enabling, it will need disabled if you are updating bios. Any queries come back Cheers jocko Logged
Riko (https://forumen.msi.com/index.php? action=profile;u=39571) STAFF SERGEANT Offline Posts: 87
« Reply #5 on: 06-March-04, 01:03:01 »
i dont see how this can make my cpu fan work CFAN Logged
MSI K8T Neo-FIS2R AMD Athlon 64 3000+ Kingston Hyper X 3500 512 MB DDR Maxtor 250 GB HDD Maxtor 40BG HDD GeForce 6800GT LG DVD\CD-RW Combo CD-ROM 52X Logitech Z560 4.1 speakers (with 8 speakers total plus the sub) Raidmax 420 W PSU
Jocko Guest
« Reply #6 on: 06-March-04, 01:16:14 »
The CPU fan will run on whatever connector, SFAN, CFAN or PWFAN, the only differance is in where the speed etc is shown. And the way it shows in Core center. It is merely to check the fan is working OK, there is a fault somewhere, either the fan, the header or board, or the setup. finding out which is a big part of fixing it. cheers jocko Logged
Riko (https://forumen.msi.com/index.php? action=profile;u=39571) STAFF SERGEANT Offline Posts: 87
« Reply #7 on: 06-March-04, 01:18:53 »
well i connected the fan to other places and it works fine and CFAN is the only one that allows me to control the fan speed that's why i wanna know how to setup it on bios or whatever Logged
MSI K8T Neo-FIS2R AMD Athlon 64 3000+ Kingston Hyper X 3500 512 MB DDR Maxtor 250 GB HDD Maxtor 40BG HDD GeForce 6800GT LG DVD\CD-RW Combo CD-ROM 52X Logitech Z560 4.1 speakers (with 8 speakers total plus the sub) Raidmax 420 W PSU
Jocko Guest
« Reply #8 on: 06-March-04, 01:31:42 »
Hi Well that narrows it down to the 3 pin header, a fault in the board, or something in setup. I can't think of anyway of stopping the Cfan unless in Core center, so if its OK in that. it looks like the header or its supply. Some fans don't work if the Amps on the +12v are less than 18amps (better a lot more). The 4 pin power supply to the MOBO if not connected can cause this, check the 20 pin at same time. What are the specs for your machine, eg: mine below. cheers jocko Logged
Riko (https://forumen.msi.com/index.php? action=profile;u=39571) STAFF SERGEANT Offline Posts: 87
« Reply #9 on: 06-March-04, 01:37:43 »
msi k8t neo-fis2r amd a64 3000+ 512 ddr kigston 3500 Nvidia g force fx 128 mb Logged
MSI K8T Neo-FIS2R AMD Athlon 64 3000+ Kingston Hyper X 3500 512 MB DDR Maxtor 250 GB HDD Maxtor 40BG HDD GeForce 6800GT LG DVD\CD-RW Combo CD-ROM 52X Logitech Z560 4.1 speakers (with 8 speakers total plus the sub) Raidmax 420 W PSU
Jocko Guest
« Reply #10 on: 06-March-04, 01:46:14 »
Hi Sounds an OK machine, what are the amps on the label of Power Suppy Unit, it will give W say 400W and then a list of amps. the important ones are the +3.3v, the +5v and the +12v, on the +12v if you have less than 18 amps, the board will struggle to run properly
jocko Logged
Riko (https://forumen.msi.com/index.php? action=profile;u=39571) STAFF SERGEANT Offline Posts: 87
« Reply #11 on: 06-March-04, 01:47:59 »
ummm ... where can i check those? Logged
MSI K8T Neo-FIS2R AMD Athlon 64 3000+ Kingston Hyper X 3500 512 MB DDR Maxtor 250 GB HDD Maxtor 40BG HDD GeForce 6800GT LG DVD\CD-RW Combo CD-ROM 52X Logitech Z560 4.1 speakers (with 8 speakers total plus the sub) Raidmax 420 W PSU
Jocko Guest
« Reply #12 on: 06-March-04, 02:02:47 »
Hi On the side of PSU there is a large label, with all the details. the supply to the various lines are there. Or from the makers web site perhaps, the label is easiest. jocko Logged
Riko (https://forumen.msi.com/index.php? action=profile;u=39571) STAFF SERGEANT Offline Posts: 87
« Reply #13 on: 06-March-04, 02:08:14 »
it says 13 A under +12 V
why is this bad? and how does this affect the cpu fan CFAN slot? Logged
MSI K8T Neo-FIS2R AMD Athlon 64 3000+ Kingston Hyper X 3500 512 MB DDR Maxtor 250 GB HDD Maxtor 40BG HDD GeForce 6800GT LG DVD\CD-RW Combo CD-ROM 52X Logitech Z560 4.1 speakers (with 8 speakers total plus the sub) Raidmax 420 W PSU
Jocko Guest
« Reply #14 on: 06-March-04, 02:25:15 »
Hi Off the top of my head, I can't remember exact amps, but the CPU needs at least that for itself, all the other +12v devices, fans, disks, powered cards etc all take more, the minimun is theoretically around 18 amps, however, to run well it needs at least 20 amps, your new PSU sounds OK, the enermax PSUs that are often recommended here put out 30amps. tThe other PSU problem is sustained output, as many PSUs can produce a burst, but can't sustain the juice needed. Read the sticky at top on PSUs by Bas, you will get an idea of whats needed, under power also causes memory problems. I would take a small bet the fan problem is PSU related. Hope it helps jocko Logged
Riko (https://forumen.msi.com/index.php? action=profile;u=39571) STAFF SERGEANT Offline Posts: 87
« Reply #15 on: 06-March-04, 02:28:08 »
well i hope that's it because i was already planning on exchanging the motherboard Logged
MSI K8T Neo-FIS2R AMD Athlon 64 3000+ Kingston Hyper X 3500 512 MB DDR Maxtor 250 GB HDD Maxtor 40BG HDD GeForce 6800GT LG DVD\CD-RW Combo CD-ROM 52X Logitech Z560 4.1 speakers (with 8 speakers total plus the sub) Raidmax 420 W PSU
Jocko Guest
« Reply #16 on: 06-March-04, 02:34:43 »
Hi No gaurantees, but as I say( not being a betting man) I would risk a wager thats what it is. If you have access to another PSU with more amps, try it I wouldn't send it back yet, you'll get it back plus bill for postage.
Good luck jocko Logged
Riko (https://forumen.msi.com/index.php? action=profile;u=39571) STAFF SERGEANT Offline Posts: 87
« Reply #17 on: 06-March-04, 03:08:43 »
just one more thing... is it bad that the cpu fan is connected to another place? or it doesnt matter, and the power management is it supposed to be on Always on? or Minimal power management? wich is better?? Logged
MSI K8T Neo-FIS2R AMD Athlon 64 3000+ Kingston Hyper X 3500 512 MB DDR Maxtor 250 GB HDD Maxtor 40BG HDD GeForce 6800GT LG DVD\CD-RW Combo CD-ROM 52X Logitech Z560 4.1 speakers (with 8 speakers total plus the sub) Raidmax 420 W PSU
Jocko Guest
« Reply #18 on: 06-March-04, 03:19:22 »
Hi you can use the SFAN connector, but the CPU speed detector will be by passed, the cool n quiet utility... BUT before doing so read the sticky on PSUs at top of post, page 2 I think Bas gives the amps various items use, to be safe, you need around 28amps, 18/20 amps are working at full stretch, and as Bas says when they burn out, iy is often more than the PSU that is fried. If there is not enough to run the fan, as soon as HDDS etc start to work, you will crash, BSOD. Cheers jocko Logged
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