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OCZ PC8000 Titanium Alpha VX2 SPD Updated - i4memory.com - different look at memory
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Old 25-01-2007, 11:38 PM   #1
eva2000
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Cool OCZ PC8000 Titanium Alpha VX2 SPD Updated

Well it seems my OCZ PC8000 Titanium Alpha VX2 http://i4memory.com/showthread.php?t=3285 had a very old SPD programmed on it. So OCZ sent me the updated one which most retail modules already have

Tony from OCZ sent me an updated SPD using SPDTool 0.55 from techpowerup.com. SPDTool thread at http://forums.techpowerup.com/showthread.php?t=20349

Question is what changed ?

Here's the original older SPD (left) vs newer SPD (right):

in SPDTool 0.55


in Thaiphoon 3.2 RC


in CPUZ v1.38


Quite a few changes if you look at Thaiphoon 3.2 RC listed output it seems. Wonder how it will change my overclocking behaviour for my modules now ? Time to test
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Old 25-01-2007, 11:39 PM   #2
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Re: OCZ PC8000 Titanium Alpha VX2 SPD Updated

Okay see what they can do

System:
  • Intel Core 2 Duo E6700 QPGA B1 Step 5
  • Swiftech Apogee/Radiical Triple Single Pass/MCP655@12.25v Kayl Custom 100W Psu
  • 128MB Gainward FX5200 PCI
  • Asus 680i Striker Extreme rev1.0 0402 bios
  • 2GB OCZ PC8000 Titanium Alpha VX2 (Updated SPD)
  • 1x 160GB Seagate 7200.7 SATA NCQ on SATA2 port
  • Pioneer DVR-05 DVD Burner
  • 600W OCZ EvoStream Modular Power supply

Settings used:
AI Tuning: Manual
Nvidia GPU Ex: Disabled
LinkBoost: Disabled

FSB - Memory Clock Mode: Unlinked
x FSB - Memory Raio: N/A
FSB (QDR), Mhz: 1600 (means 400FSB)
Actual FSB (QDR), Mhz: 1600
MEM (DDR), Mhz: 1200 (means 600mhz speeds)
Actual MEM (DDR), Mhz: 1200

Vcore Voltage: 1.5 set (1.39v bios - 0505 and higher bios fix the vcore issue but 0402 bios more stable for both my E6600/Q6600 cpus)
Memory Voltage: 2.5v
1.2v HT Voltage: 1.4v
NB Core Voltage: 1.75v
SB Core Voltage: 1.50v
CPU VTT Voltage: 1.3v
DDRII Controller Ref Voltage: AUTO
DDRII Channel A Ref Voltage: AUTO
DDRII Channel B Ref Voltage: AUTO

tCL (CAS Latency): 5
tRCD: 3
tRP: 3
tRAS: 5
Command Per Clock (CMD): 2 clock (2T)

Advance Memory Settings
tRRD: 5
tRC: 1
tWR: 6
tWTR: 8
tREF: AUTO
tRD: 8
tRFC: 42
Async Latency: AUTO

CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled
MCP PCIE Spread Spectrum: Disabled
SATA Spread Spectrum: Disabled
LDT Spread Spectrum: Disabled

CPU Internal Thermal Control: Disabled
Limit CPUID MaxVal: Disabled
Enhanced C1 (C1E): Disabled
Execute Disable Bit: Disabled
Virtualization Technology: Disabled
Enhanced Intel Speedstep Tech: Disabled
LDT Frequency: 5x

PCIEX16_1 Frequency (Mhz): 100
PCIEX16_2 Frequency (Mhz): 100
PCIEX16_3 Frequency (Mhz): 100
SPP<->MCP Ref Clock, Mhz: 200


Single 32M


Dual 32M


compared with old SPD and different timings on E6600 ran with 2.5v vdimm (bios set)

@628mhz 5-4-3-4 with tRD 5


@640mhz 5-4-3-4 with tRD AUTO


Tight timings seem to always win

Last edited by eva2000; 27-01-2007 at 06:09 PM.
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Old 25-01-2007, 11:39 PM   #3
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Re: OCZ PC8000 Titanium Alpha VX2 SPD Updated

reserved #2
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Old 26-01-2007, 12:03 AM   #4
JAFFA
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Re: OCZ PC8000 Titanium Alpha VX2 SPD Updated

Interesting, I updated the SPD on my Cellshocks too this week, the SPD that Alex gave me included EPP (not that it makes any difference on 975 or 965) Are the newer OCZ Ti Alphas not EPP enabled or is the SPD tony gave you a 'one off' so to speak? I kind of assumed the OCZ's would be EPP compliant.
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Old 26-01-2007, 12:09 AM   #5
eva2000
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Re: OCZ PC8000 Titanium Alpha VX2 SPD Updated

The PC8000 Titanium Alpha VX2 never were EPP supported in the first place
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Old 26-01-2007, 12:46 AM   #6
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Re: OCZ PC8000 Titanium Alpha VX2 SPD Updated

I don't suppose it matters really, Isn't EPP is for those that use the auto-overclocking features and don't set their own mem timings?
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Old 26-01-2007, 12:59 AM   #7
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Re: OCZ PC8000 Titanium Alpha VX2 SPD Updated

yeah auto-oc'ers

EPP is useless for oc'ers
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Old 26-01-2007, 08:49 AM   #8
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Re: OCZ PC8000 Titanium Alpha VX2 SPD Updated

Eva

The SPD i gave you is a universal one we use on all our 6400 parts, it ensure boot compliance and is fully Jedec compliant.


I do have a Micron OCZ special somewhere i can feed you to try once you have finished testing this one
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