Overclock.net › Forums › Components › Memory › Should I use the JP17 4V jumper?
New Posts  All Forums:Forum Nav:

Should I use the JP17 4V jumper?

post #1 of 11
Thread Starter 
I've got the Geil ONE BH-5 chips, and they are warrantied up to 3.8 volts, so I'm asking whether I should be running my system with the JP17 (4V jumper) on or not. As far as stability goes, I'm running it at 3.2 right now, and it seems fine, I get errors every once in a while, but not too bad.
Burning Phoenix
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q9550 Gigabyte EP45-UD3P eVGA GTX 260 Core 216 SuperClocked 4GB G.Skill DDR2-1000 5-5-5-15 
Hard DriveOptical DriveOSMonitor
3 WD 80GB RAID0, Seagate 500GB, WD 1TB Caviar BLCK Lite-On LH-20A1S Windoze 7 Professional Dual Dell E207WFP 20.1" Widescreen LCD's 
KeyboardPowerCaseMouse
Logitech G15 Silverstone OP750 Lian-Li PC-A10B Logitech G5 
Mouse Pad
Harley Davidson 
  hide details  
Reply
Burning Phoenix
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q9550 Gigabyte EP45-UD3P eVGA GTX 260 Core 216 SuperClocked 4GB G.Skill DDR2-1000 5-5-5-15 
Hard DriveOptical DriveOSMonitor
3 WD 80GB RAID0, Seagate 500GB, WD 1TB Caviar BLCK Lite-On LH-20A1S Windoze 7 Professional Dual Dell E207WFP 20.1" Widescreen LCD's 
KeyboardPowerCaseMouse
Logitech G15 Silverstone OP750 Lian-Li PC-A10B Logitech G5 
Mouse Pad
Harley Davidson 
  hide details  
Reply
post #2 of 11
Well, What FSB do you need?

4.0V is only for the Record OC's.

E.g the 290FSB @2-2-2-5 on XS was held at 3.8V.
post #3 of 11
Thread Starter 
Yeah, I'm only running a mild OC, but I'll be doing a heavier OC very soon. Reading up on ncsa's overclocking FAQ as we speak.
Burning Phoenix
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q9550 Gigabyte EP45-UD3P eVGA GTX 260 Core 216 SuperClocked 4GB G.Skill DDR2-1000 5-5-5-15 
Hard DriveOptical DriveOSMonitor
3 WD 80GB RAID0, Seagate 500GB, WD 1TB Caviar BLCK Lite-On LH-20A1S Windoze 7 Professional Dual Dell E207WFP 20.1" Widescreen LCD's 
KeyboardPowerCaseMouse
Logitech G15 Silverstone OP750 Lian-Li PC-A10B Logitech G5 
Mouse Pad
Harley Davidson 
  hide details  
Reply
Burning Phoenix
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q9550 Gigabyte EP45-UD3P eVGA GTX 260 Core 216 SuperClocked 4GB G.Skill DDR2-1000 5-5-5-15 
Hard DriveOptical DriveOSMonitor
3 WD 80GB RAID0, Seagate 500GB, WD 1TB Caviar BLCK Lite-On LH-20A1S Windoze 7 Professional Dual Dell E207WFP 20.1" Widescreen LCD's 
KeyboardPowerCaseMouse
Logitech G15 Silverstone OP750 Lian-Li PC-A10B Logitech G5 
Mouse Pad
Harley Davidson 
  hide details  
Reply
post #4 of 11
Well, I'm not too familiar as to how much Vdimm that board gives you though BIOS, What is it? Like 3.4Vdimm?

Thats all you should really need for hitting 240'Ish FSB with 2-2-2-5.

When you start going for the 250-260 & 2-2-2-5 you MIGHT need that 4.0Vdimm, But still unlikely.

Just to keep it safe, I would keep that jumper dusty and unused for now.
post #5 of 11
Thread Starter 
Yeah, I mean I'm running 1.5-2-2-5 right now, with 3.2 going through it. Is there any damage caused by the extra voltage? In the warning DFI has in the manual, it says it may cause damage to the CPU.
Burning Phoenix
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q9550 Gigabyte EP45-UD3P eVGA GTX 260 Core 216 SuperClocked 4GB G.Skill DDR2-1000 5-5-5-15 
Hard DriveOptical DriveOSMonitor
3 WD 80GB RAID0, Seagate 500GB, WD 1TB Caviar BLCK Lite-On LH-20A1S Windoze 7 Professional Dual Dell E207WFP 20.1" Widescreen LCD's 
KeyboardPowerCaseMouse
Logitech G15 Silverstone OP750 Lian-Li PC-A10B Logitech G5 
Mouse Pad
Harley Davidson 
  hide details  
Reply
Burning Phoenix
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q9550 Gigabyte EP45-UD3P eVGA GTX 260 Core 216 SuperClocked 4GB G.Skill DDR2-1000 5-5-5-15 
Hard DriveOptical DriveOSMonitor
3 WD 80GB RAID0, Seagate 500GB, WD 1TB Caviar BLCK Lite-On LH-20A1S Windoze 7 Professional Dual Dell E207WFP 20.1" Widescreen LCD's 
KeyboardPowerCaseMouse
Logitech G15 Silverstone OP750 Lian-Li PC-A10B Logitech G5 
Mouse Pad
Harley Davidson 
  hide details  
Reply
post #6 of 11
I highly doubt it.

As to damage to the memory, No.

BH-5 chips are tough, Thats why lots of people slaughter them with Vdimm.

Maybe some damage over-time, But when you see that damage, Well, There probably won't be BH-5 anymore, It'll be a collectible and we'll all be using our BH-17.
post #7 of 11
Quote:
Originally Posted by ShawnMcGrail
E.g the 290FSB @2-2-2-5 on XS was held at 3.8V.
What kind of RAM uses BH-6?
post #8 of 11
I had my BH chips up to 3.8v no problem! I think would get a much better OC with more volts.
post #9 of 11
Thread Starter 
Yeah, I'll start a thread on it so I can post screenies and such, so I'll be using the JP17 very soon..As soon as I get time.
Burning Phoenix
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q9550 Gigabyte EP45-UD3P eVGA GTX 260 Core 216 SuperClocked 4GB G.Skill DDR2-1000 5-5-5-15 
Hard DriveOptical DriveOSMonitor
3 WD 80GB RAID0, Seagate 500GB, WD 1TB Caviar BLCK Lite-On LH-20A1S Windoze 7 Professional Dual Dell E207WFP 20.1" Widescreen LCD's 
KeyboardPowerCaseMouse
Logitech G15 Silverstone OP750 Lian-Li PC-A10B Logitech G5 
Mouse Pad
Harley Davidson 
  hide details  
Reply
Burning Phoenix
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel Q9550 Gigabyte EP45-UD3P eVGA GTX 260 Core 216 SuperClocked 4GB G.Skill DDR2-1000 5-5-5-15 
Hard DriveOptical DriveOSMonitor
3 WD 80GB RAID0, Seagate 500GB, WD 1TB Caviar BLCK Lite-On LH-20A1S Windoze 7 Professional Dual Dell E207WFP 20.1" Widescreen LCD's 
KeyboardPowerCaseMouse
Logitech G15 Silverstone OP750 Lian-Li PC-A10B Logitech G5 
Mouse Pad
Harley Davidson 
  hide details  
Reply
post #10 of 11
You should excercise caution in using the JP17 +4v jumper as it switches the memory onto the +5v rail from +3.3v using a MOSFET.

Good air cooling in this area is a must when running high Vdimm - add another fan to blow onto the modules and also around the top RH side of the MB where the jumper is.

Your modules are rated DDR500 2-2-2-5 and to get there you will very likely need 3.3-3.5v and more if they are to go any higher.

The WR for stable, Pi32M, BH/UTT is 275.5 (DDR551) and these are on GeIL BH modules - at 3.7v. My particular ones will do 272 (DDR544) at 3.8v.

Check your PSU rails before the jumper change and after for stability, from Load to Idle.
OS X 10.6.4
(13 items)
 
  
CPUMotherboardGraphicsRAM
Mac Mini Mac Mini Server 2011 Intel HD3000 8Gb 
Hard DriveOptical DriveOSMonitor
2 Internal drives None OS X / W7 x64 Dell U3011 
KeyboardPowerCaseMouse
Apple Wireless & Wired Internal Mini brick Magic 
  hide details  
Reply
OS X 10.6.4
(13 items)
 
  
CPUMotherboardGraphicsRAM
Mac Mini Mac Mini Server 2011 Intel HD3000 8Gb 
Hard DriveOptical DriveOSMonitor
2 Internal drives None OS X / W7 x64 Dell U3011 
KeyboardPowerCaseMouse
Apple Wireless & Wired Internal Mini brick Magic 
  hide details  
Reply
New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Memory
Overclock.net › Forums › Components › Memory › Should I use the JP17 4V jumper?