ASUS P5B-Deluxe; Problems & Fixes

[YngDiego]

I've had my P5B-Deluxe for over a year now and I'm pretty happy with it. Over the last couple of weeks I've upgraded my system to 8GB of RAM for use with Vista x64. Previously I was running with 4GB.

Memory is Corsair XMS2 CM2x2048-6400 C5. I also have an E6400 OC'd to 408FSB and 1:1 memory ratio. Last year I remember running Everest memory benchmarks and got ~12,000 MB/s read, which was pretty close to the max given my FSB.

Since then I've changed BIOS versions and other settings, and for I while I noticed my boot screen says PC2-4300 when it's OC'd. If I revert to defaults it says PC2-6400.

Now running Everest today I get about 7,638MB/s memory read, which is inline with a standard FSB, but not my 408MHz FSB. Everest and CPU-Z both show 1:1 memory ratio.

Any ideas on why BIOS says PC2-4300 upon boot and my memory read benchmarks don't reflect the higher FSB bandwidth? This is with the 1226 BIOS, and also happened with previous versions as well.

[darcmage]

Memory is Corsair XMS2 CM2x2048-6400 C5. I also have an E6400 OC'd to 408FSB and 1:1 memory ratio. Last year I remember running Everest memory benchmarks and got ~12,000 MB/s read, which was pretty close to the max given my FSB.

Are you sure about that number? If this guy got 11K, I can't imagine how you got to 12.

[YngDiego]

It was somewhere in the 11-12 range..I don't remember exactly. So it does appear something is wrong with my system, given someone with basically the same FSB is getting 11,000+ and I'm far below that.

Ideas on the problems?

[chuckbam]

Are you sure about that number? If this guy got 11K, I can't imagine how you got to 12.

This is what I get.

[Big.Wayne]

Hey the P5B-Deluxe didn't do too badly so far. . .



Its been running stable as a rock at this speed for a couple of days now, left the vCore on auto too. I have tried higher but the stability tests don't last very long before they find an error and thats including me manually dialling in up to 1.55vCore.

Still Quad 3400MHz is a very nice 24/7 speed in a closed case on silent air!

I had to raise the northbridge volts from 1.25v to 1.45 volts around about 355MHz-FSB, apart from that all chipset volts are on minimum.

I suppose I should really drop the multi to x8 or x7 and see if its an FSB limitation on the P5B-Deluxe (P965) but I been a bit busy.

What FSB's are you guys getting your quad cores up to please?

[chuckbam]

I need a Vcore of 1.38~1.39 at idle to cover the vdroop under load.

PCI Express 105v
Memory 2.0v
+ Vcore 1.4375v = 1.35 ~ 1.39v
FSB Termination 1.30v
NB Vcore 1.45v
SB Vcore 1.50v

[domianos]

Processor: Intel Core 2 Duo E6400 @ 2.13GHz
Bios Revision: 1226
Memory: 1024MBytes x 2, DDR2, 333MHz

i have a very strange problem.
I Have all my drives connected to ICH8R Serial ATA (RAID MODE)

SATA1: WD2500YS
SATA2: WD2500YS
(Those 2 are in RAID 0 mode)
SATA3: DVDRW
SATA4:HDT722525DLA380
SATA5:HDT722525DLA380
SATA6:WD1600AAJS.

All was working fine. But the last 2 days when intel matrix storage manager starts at pc boot, it freeze about 3-4 minutes. Then suddenly unfreeze, detect my drives and everything works perfect.
I try to boot with all my disks (1 by 1) out of mobo but i had the same problem.

What is this "freezing" time??
Maybe this is a sign that the ICH8R will die?

P.S.JMicron is enable because i need the e-sata port.
P.S. 2 Sorry about my english.

[[XC] Hicks121]

Ok this is strange. I changed the hs on this mobo & cleaned it up a bit. I power the sytem up & it says no boot media detected. I check all of the cables & setting in the bios(even tried different sets of cables). the hd is even being detected in the bios. So I decided to reinstall a freshy of xp, the mobo wont read from the cd drive either, no boot media detected.

Im all out of ideas on what to try. If anyone can help, it it really be appreciated.