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» The New Rebels Haven Forum!! » 64 Bit Motherboards, CPU's, and Operating Systems » MSI 64 Bit Motherboards » 2 Vdimm Mods For MSI Neo4 Platinum V1.0 (Page 1)

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Author Topic: 2 Vdimm Mods For MSI Neo4 Platinum V1.0 Polygon Admin Member # 1 posted                    2 Vdimm Mods For MSI Neo4 Platinum MS-7125 V1.0 Let's look at a Vdimm Mod for the Neo4 Platinum. The BIOS only allows setting the Vdimm to 2.85V which is hardly enough for todays high performance memory in this modern day world. If you do this mod, your doing it at your own risk. The Rebels Haven Computer Forum will not be responsible for damaged systems or components... If your unsure about the mods, I strongly suggest you do not implement them... The Vdimm power supply is a "Linear Regulator" type that is running off of the 3.3V PSU Bus.... The "Standard 3.3V Mod", which connects a wire from the 3.3V ATX power connector(orange wire), to the Vdimm rail, should work on this board.... The 3V Mod that I have been describing on several motherboards should also work on ths board... This involves connecting the Vdimm rail to a 3V point that almost every "Linear Regulator" Vdimm power supply has... First, a typical FET. Note that the center Drain lead, may be cut short: Here's the various points on the board: The "3.0Vdimm Mod" is to connect the Source of the Q75 FET, to the Source of the Q77 FET right below it.... The "3.3Vdimm Mod" is to connect the Source of the Q75 FET, to the Drain of the Q77 FET, or to the +3.3V PSU rail which is any one of the orange wires.... Disclaimer: Be aware that making this or any mod, voids the warranty on your motherboard. Further more there is no guarantee that any mod won't permently damage your board, CPU, and/or memory... You are doing this Mod at your own risk.... -------------------- Too Many Computers,... Too Little Time ..... Damn Phenoms! Posts: 24294 | From: Fire Island, NY | Registered: Feb 2003 Polygon Admin Member # 1 posted                    I have tried the Mod, and it works fine... Don't use long thin wire as the current the Memoey draws, causes a significant drop in the voltage... I didn't do any additional runs for higher speed, I just wanted to make sure the board boots and isn't damaged by the Mod.... All's fine... -------------------- Too Many Computers,... Too Little Time ..... Damn Phenoms! Posts: 24294 | From: Fire Island, NY | Registered: Feb 2003 Polygon Admin Member # 1 posted                    Here's what the 3.0Vdimm Mod looks like. The short piece of #30 bus wire is perfect for this Mod: Unfortunately, this board has so many issues with overclocking, I'm not sure I can tell if the 3Vdimm makes a difference... I would have to go back to a FX-55 that worked flawlessly on this board.... For those that wish to make the 3.3V Mod on the back of the board, here's a close up of the points to connect. The right hand side is the 3.3V bus on the EPS12V connector... The left hand side is the plus(+) of one of the Vdimm capacitors...(I did not solder in the wire as I'm using the 3V mod on this board) -------------------- Too Many Computers,... Too Little Time ..... Damn Phenoms! Posts: 24294 | From: Fire Island, NY | Registered: Feb 2003 Polygon Admin Member # 1 posted                    I took my Mushkin Black Level II(bh-5) which would only go to 230 and now it goes to 240 at 200 1T 2.5-3-3-6... The Vdimm measures 2.97V using a Digital Multimeter.... While not a huge improvement, but it is known that these boards don't like bh-5 chips unless run over 3.5V..... -------------------- Too Many Computers,... Too Little Time ..... Damn Phenoms! Posts: 24294 | From: Fire Island, NY | Registered: Feb 2003 novex New Member Member # 1415 posted                    230mhz cl2.5-4-4-8 @ 2.80V by now the guy who mills my ram-watercooler isn't ready with it. so i think i try the 3.3V mod next week, hopefully. -------------------- AMD Athlon 64 3500+ 0.09µ @2565Mhz 1.50V DFI nF4 Ultra-D 2x512 G.Skill 4400 LE Maxtor DiamondMax 10 200GB SATA Raid 0+1 Connect3D Radeon X850 XT @ Zern PQ plus waterblock Posts: 22 | From: Germany | Registered: Mar 2005 Polygon Admin Member # 1 posted                    I have a 80mm fan blowing on my memory modules.... Do you know the stepping and date code of your CPU...? -------------------- Too Many Computers,... Too Little Time ..... Damn Phenoms! Posts: 24294 | From: Fire Island, NY | Registered: Feb 2003 novex New Member Member # 1415 posted                    i can tell you the stepping at the end of the week when i mount my cpu watercooler -------------------- AMD Athlon 64 3500+ 0.09µ @2565Mhz 1.50V DFI nF4 Ultra-D 2x512 G.Skill 4400 LE Maxtor DiamondMax 10 200GB SATA Raid 0+1 Connect3D Radeon X850 XT @ Zern PQ plus waterblock Posts: 22 | From: Germany | Registered: Mar 2005 novex New Member Member # 1415 posted                    here is my stepping: 0441TPAW -------------------- AMD Athlon 64 3500+ 0.09µ @2565Mhz 1.50V DFI nF4 Ultra-D 2x512 G.Skill 4400 LE Maxtor DiamondMax 10 200GB SATA Raid 0+1 Connect3D Radeon X850 XT @ Zern PQ plus waterblock Posts: 22 | From: Germany | Registered: Mar 2005 Polygon Admin Member # 1 posted                    The 5 letters in front of the date code tell the story... Ex: CBB_ _ (fill in the blanks...) -------------------- Too Many Computers,... Too Little Time ..... Damn Phenoms! Posts: 24294 | From: Fire Island, NY | Registered: Feb 2003 novex New Member Member # 1415 posted                    THe 5 letters are: CBBFD -------------------- AMD Athlon 64 3500+ 0.09µ @2565Mhz 1.50V DFI nF4 Ultra-D 2x512 G.Skill 4400 LE Maxtor DiamondMax 10 200GB SATA Raid 0+1 Connect3D Radeon X850 XT @ Zern PQ plus waterblock Posts: 22 | From: Germany | Registered: Mar 2005 Polygon Admin Member # 1 posted                    CBBFD is one of the best. Especially with last years date code.... Mine is a CBBFD0433.... -------------------- Too Many Computers,... Too Little Time ..... Damn Phenoms! Posts: 24294 | From: Fire Island, NY | Registered: Feb 2003 MONO New Member Member # 1458 posted                    any other 3.3v mod shown pictures? need -------------------- winchester 3200+@2.5G MSI K8N Neo4 Platinum KINGSTON VALUE 1G@DDR500 2.5-4-4-7 1T MSI NX6600GT@550/1120 Posts: 29 | From: malay | Registered: Mar 2005 Polygon Admin Member # 1 posted                    Welcome to The Rebels Haven MONO! I won't be able to take a picture of the 3.3Vdimm mod until this weekend. I have to take the whole setup apart... But, I'll do it... Anyhow, welcome to the forum... -------------------- Too Many Computers,... Too Little Time ..... Damn Phenoms! Posts: 24294 | From: Fire Island, NY | Registered: Feb 2003 MONO New Member Member # 1458 posted                    Huh,in bios max is 2.85v if MODDED HOW 2 CHANGE BIOS TO 3.?V OR IT ALREADY WORKS IN 3.?V -------------------- winchester 3200+@2.5G MSI K8N Neo4 Platinum KINGSTON VALUE 1G@DDR500 2.5-4-4-7 1T MSI NX6600GT@550/1120 Posts: 29 | From: malay | Registered: Mar 2005 Polygon Admin Member # 1 posted                    When the 3V mod or the 3.3V mod is installed, the BIOS no longer controls the Vdimm.... -------------------- Too Many Computers,... Too Little Time ..... Damn Phenoms! Posts: 24294 | From: Fire Island, NY | Registered: Feb 2003

This topic comprises 2 pages: 1  2

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