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01-24-2011, 11:23 PM #101Web Hosting Master
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Seems there is a major shortage of 8GB DIMMs.
I can't find any 1066 or 1333 anywhere, I need 130 sticks but can't even find smaller amountsEasyDCIM.com - DataCenter Infrastructure Management - HELLO DEDICATED SERVER & COLO PROVIDERS! - Reach Me: chris@easydcim.com
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01-25-2011, 02:46 PM #102Web Hosting Master
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01-25-2011, 02:50 PM #103Web Hosting Master
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ETA is 2/3 for 1333, 2/7 for 1066
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01-26-2011, 10:39 PM #104Newbie
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I guess that's what you were implying, but I just want to make it clear that CAS latency is expressed in clock ticks:
1333 CL9 = 6.75 ns
1066 CL7 = 6.57 ns
800 CL6 = 7.5 ns
So you're losing bandwidth but not gaining any measurable latency, making it a net loss -- whether it has any real-world impact is another question altogether, of course...
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01-26-2011, 10:51 PM #105
I thought the cas latency was in terms of cpu clock ticks, not "ram" clock ticks?
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01-26-2011, 10:52 PM #106IOFLOOD.com -- We Love Servers
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01-26-2011, 11:11 PM #107Newbie
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No, they're in terms of RAM ticks. The CAS latency is a consequence of the design of the RAM chips and controllers, and it doesn't really matter whether you're using a 1 GHz or 5 GHz CPU: the RAM will still need the exact same time to respond.
But actually the figures I gave were wrong, since CAS latencies are given in "clock ticks" (667 MHz for DDR3-1333) instead of "transfer ticks" (1333 MHz for DDR3-1333). You have to multiply the latencies I gave by 2 to get the correct figures (unfortunately I don't have the rights to edit my post to fix it...)
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01-27-2011, 02:14 PM #108Newbie
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01-27-2011, 02:17 PM #109Randy
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01-27-2011, 02:20 PM #110Newbie
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01-27-2011, 02:45 PM #111Web Hosting Guru
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01-27-2011, 03:07 PM #112Randy
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01-27-2011, 03:44 PM #113Newbie
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No, I'm not really sure. This is my first X8SIL-F. We use dozens of other Supermicro boards, most with Xeon CPUs. I never had any issues with memory modules on supermicro before. So I'm baffled.
Maybe the i3-550 CPU would need a firmware upgrade? But the board is brand new. and it's PCB version 1.02 - heard about issues with earlier versions.
When I power on the system, I only hear a continuous high pitched beep. When I remove the memory modules and power on again, I hear a more familiar beep, peep, beep, like on most other boards with no memory or graphics card.
I tried with 1, 2 and 4 modules. No difference.
Supermicro's first response to my problem report was "Sound like memory compatibility issue , please review our test memory list".
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01-27-2011, 04:07 PM #114Web Hosting Master
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it's pretty simple actually! as long as you put core i3 on X8SIL(-F) board, you must use ECC unbuffered modules such as KVR1333D3E9S/4G or KVR1333D3E9S/2G.
KVR1333D3N9/2G (non-ECC) and KVR1333D3D8R9S/2GI (ECC registered) are both big no-no for core i3 + X8SIL combo.
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01-27-2011, 04:16 PM #115Randy
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Ah, it's the CPU to blame. I only used X34xx.
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01-28-2011, 02:07 AM #116Newbie
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Thanks!
I just ordered two pieses. Hope, I don't have to pile them up like the others... :-|
FYI: this should become a tiny ESXi server for home offices. It's needed to fullfill the high requirements for firewalling and VPN of the mother company (a major bank in Europe), that won't allow a simple Netgear or Cisco router+firewall. The last solutions like that were made based on the Supermicro X7SPA-HF. But the Atom processor is so slow, I decided that we have to go up one step - because it's me who has to suffer from the slow speed, when I set up ESXi and the VMs. When It's ready, the user has appropriate speed for his DSL line. That's why there's only an i3 in the board and why I need a Micro-ATX or ITX board for that application.
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01-28-2011, 12:16 PM #117Web Hosting Master
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01-28-2011, 01:02 PM #118Newbie
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I did that - and it worked! Great!
However, after powering on the system it said
WARNING: These Memory DIMMs are NOT supported!!!
WARNING: This CPU is NOT supported!!!
Now what?
EDIT: and it's not really booting somewhere but crashing with wild characters (should boot from PXE into a memory test):
EDIT2: after attaching some SATA drives it's now booting properly. Memory test is running. Crazy!!!Last edited by ViennaAustria; 01-28-2011 at 01:13 PM.
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01-28-2011, 02:00 PM #119Web Hosting Master
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01-31-2011, 04:07 AM #120Newbie
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Hello,
since a few days i used two of these modules (KVR1066D3Q8R7S/8G) without any problems. First i test them with memtest86+.
maybe i will order two more to get total 32GB
regards
mlampe
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02-05-2011, 12:10 AM #121
is the i3 going to work at all with the 1.01 PCB with the latest bios or should I not bother trying?
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02-05-2011, 12:32 AM #122Web Hosting Master
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Been using SuperTalent W13RB4G8H with the X8IL-F motherboard no issues.
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02-05-2011, 12:45 AM #123Web Hosting Master
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02-10-2011, 04:19 PM #124New Member
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x8sil-f
hi guys, very helpful thread, used it to buy my ram
i have
KVR1066D3Q8R7S/4GI and KVR1066D3Q8R7SK3/12GI
for sale, total 16GB, worked flawlessly on X8SIL-F
if anybody needs it i can list on ebay (perfect feedback) for $368 with free shipping
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02-10-2011, 04:42 PM #125Web Hosting Master
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