i just finish building my new computer and found out the molex connectors on the fans(antec 900) does not work with my mb(GA-X48-DQ6) and the antec 850 truepower quattro doesn't have the molex for the fan. i have since order 2 fan molex to 3 pin adapter. now, the idea is using a fan and have it blow into the build area with the side window open. would that be a good substitute til i get my adapters?  
 
p.s.   i also went to several computer stores and no one carried this adapter.  

I had similar issues, untill I replaced the fans with Scythe fans (quieter, and better airflow). The fan idea should work for the interim (don't plan to use it for long, or do anything seriously intensive ex.. ocing, or heavy gaming)

no ocing. i will be playing warcraft 3 custom games on battle.net.

Ok, you should be good for a little while, what are the specs of your' system?

mb
GIGABYTE GA-X48-DQ6 LGA 775 Intel X48
 
hdd
Seagate Barracuda 7200.11 750GB 7200 RPM SATA 3.0Gb/s Hard Drive
 
proc
Intel Core 2 Quad Q9450 Yorkfield 2.66GHz LGA 775 95W Quad-Core
 
ps
Antec TPQ-850 850W ATX12V / EPS12V Power Supply
 
case
Antec Nine Hundred
 
dvd/rw
ASUS 20X DVD±R DVD Burner with LightScribe Black SATA
 
mem
G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel
 
heatsink
ARCTIC COOLING Freezer 7 Pro 92mm CPU Cooler
 
vc
msi hd 4850
 

Just set the fans to low(so they are quiet) and plug them into the power supply(it does have the 4 pin molex connectors). You do not need fan only connectors. just plug em in.

it does not have 4 pin molex connectors for the fans and its also a modular ps.
 
http://www.newegg.com/Product/Prod [...] 6817371009

Unless Antec decided to disallow use of ALL IDE devices the connector is in the included cable set. The fans just use normal molex connectors(and they just take 12 volts).

Antec Truepower Quattro 850W

- Molex: 9 Connectors (modular)

- SATA: 8 Connectors (modular)

- PCI-E 6+2 Pin: 2 Connectors

- PCI-E 6 Pin: 2 Connectors (modular)

- 4-Pin Floppy: 2 Connector

- 20+4 ATX Connector:

- 8 Pin CPU connector:

- 4 Pin CPU connector:

heres the thing, i have that plugged in to the fans now, but it doesn't run. everything else runs tho

That's not right, maybe you have defective fans. try the high speed. not even the top fan will run?. Antec once had a problem with tri cool fans, but it was supposed to be fixed.

Does your case use the long screws for the hard drives? If so it should be the newer 900 with new fans.

I run all mine off the same cable as the hard drives since i have custom cables so i can run the drives backwards for better cable management.

all 4? that would really suck. none of the speeds would work.
 
yes, the screws are long for hdd.
 
i guess i'll try emailing antec to see if they can help.  
 
in the mean time, if you can think of another way, i open to suggestions.

The only other thing i can think of is checking to make sure the modular cables are connected firmly and the connector for the fan is firm as well. I have never seen the 200mm(top) fan not work.

I have many tri cools and i always just plug them in with the CD/DVD drive or hard drives(because of my 90 degree sata power connectors), but since your DVD drive is sata that will not work.

Did your DVD drive come with a Molex to SATA adapter(there may be some with the motherboard too)? if so you can use that to make sure the actual molex on the PSU is working right by running the DVD drive with it.

Either your PSU is defective or the fans are. Make sure they are plugged in all the way.

I had issues on occasion when I changed or added parts to my antec 900.  Seems as if you have to firmly recheck the connections each time you mess around with them.  I would turn the system on and part of the fans wouldnt work, sometimes the 200mm fan, sometimes 3 of the 120mm fans or none of them would work.  After shutting down the system and rechecking the connections it would work fine.
 
Are you pigtailing them all together?  I did and thats why when they wouldnt work, it would effect more than one.
 
I think its a connection issue myself...

the dvd drive did not with molex to sata adapter.
 
check all connection and still no go with fan.
 
once the adapters i ordered comes in, i will know for sure whats wrong. i hope it comes in tomorrow but it will probably be monday.
 
i was hoping my very first build will gone more smoothly but u live and learn. more research on next build!!

on a side note, in my bios, the cpu is running at about 29 deg C; this on initial boot up without the case fans running and side case open. i was just looking in the bios.

Do you have another computer fan you can try to plug into the molex connector? even an old hard drive to hear if it spins? it would be hard for 4 fans to come defective. The defect Antec had was fans not running on low, but high always worked.

nope. i think that molex cable is not meant for the fans. it has 3 molex connectors, a 4 pin connector (looks like a cpu fan connector) on one end, and a 2x2 molex power connector on the other. refer to picture.

The 4 pin connector is for a floppy drive.

All the big 4 pin molex connectors are made to power what ever will fit(Hard drive, fan controller, old video cards, cd drive ect). Fans should work on it. The fan only molex's just provide variable voltage to slow and speed up fans. They also provide no 5 volt line, so you can not run anything else on those. In your case it should be working

The large 2x2 is to plug into the psu and provides 2 x ground(black) 1 x 12 volt(Yellow) and 1 x 5 volt(red)

here's what i originally wired. the fan molexes were connected to the three molex and 4 pin connector in the sys-fan1 connector(wrong place?). the psu has 3 2x2 hdd/sata power sockets and 2 pci-e power sockets. one time, i try to plug the 2x2 connector into the hdd/sata power socket and the power got cutoff immediately, shorted maybe. the 4 pin connector was still in the plug into the mb and power was connected to the mb. since it cutoff immediately, i don't think it affected the mb in any way. did it?
 
here's what i'm gonna try tonight when i get home. i'll disconnect the power from the board and card, disconnect the 4 pin connect from the board, and connect the molexes to the fan molexes with the 2x2 power connector plug into hdd/sata power socket on the psu.