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Author Topic: Quick [tech] Questions Thread  (Read 1186253 times)
schild
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Reply #1295 on: November 27, 2009, 08:11:54 PM

Win7 / Latest Firefox beta.

When I click on a web page, a little flashing text thing will show up to the right of whatever I clicked - like I can type. Page Up, Page Down, Home, and End don't work, which is often how I browse forums. It's driving me fucking bonkers.

Halp.

Edit: IE works properly. No plugins, tried another theme for Firefox, still broken.
« Last Edit: November 27, 2009, 08:46:23 PM by schild »
schild
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Reply #1296 on: November 27, 2009, 09:06:18 PM

Fixed.
Chimpy
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Reply #1297 on: November 29, 2009, 07:06:18 AM

Have not looked in this thread for about a month, missed the discussion a couple of pages ago about Buffalo wireless routers.

They are pieces of shit. I have experience working with them for work. One guy says he has one at home flashed with DDWRT that works great, but the ones we have out in the field fail pretty regularly.

One must also remember that they were banned for sale in the US for a little over a year as part of a patent suit/injunction.

'Reality' is the only word in the language that should always be used in quotes.
Chenghiz
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Reply #1298 on: December 03, 2009, 06:48:22 PM

God, I hope this is a quick question.

I had explorer freeze up in my install of Windows Vista. I hard-rebooted and the computer got past the green-bar loading screen for windows, only to give me a black screen and a cursor. When I tried to repair the install with my CD, my install of Vista didn't show up in the box where it asks you which install to repair.

I decided to go ahead and install Windows 7. That went pretty well, but now I can't see my secondary HDD in My Computer. It's listed in the device manager as functioning properly, and the defrag utility can see it as well, but it has no drive letter. I suspect this is because while my primary HDD is hooked up by IDE, the secondary is SATA and for some reason windows doesn't have the proper drivers for it. Note that this computer is not currently on the internet, so windows can't look for drivers.

Am I on the money here? I won't have internet on this computer for a month or so, but if I can download drivers elsewhere and transfer them to the computer that would be grand.
Lantyssa
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Reply #1299 on: December 03, 2009, 07:02:01 PM

Can the Disk Manager see the drive?  If so, can you assign it a drive letter?

Hahahaha!  I'm really good at this!
Chenghiz
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Reply #1300 on: December 03, 2009, 07:14:30 PM

Can the Disk Manager see the drive?  If so, can you assign it a drive letter?
Um, that's a fantastic question. I'll look into that. For whatever reason, I always forget that the disk manager exists.
Trippy
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Reply #1301 on: December 03, 2009, 09:05:04 PM

Pre-Windows XP SP3 there were no generic SATA drivers on the install discs/images. I can't imagine Windows 7 is somehow missing those. You can check in the Device Manager to see if it sees your SATA controller(s).
Yegolev
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Reply #1302 on: December 11, 2009, 07:45:41 AM

Protip: A TCP/IP packet which contains two bits which are are "flipped" and are also 1216 bytes apart will pass a CRC checksum.  Unlikely?  Sure, but transmitting a 10TB database where lots of bad packets crop up will push this from UNLIKELY into INEVITABLE.  This was specifically noted on a Nortel Passport 8600.

Why am I homeless?  Why do all you motherfuckers need homes is the real question.
They called it The Prayer, its answer was law
Mommy come back 'cause the water's all gone
Murgos
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Reply #1303 on: December 11, 2009, 08:47:04 AM

Just out of curiosity what size frames are you using?  Jumbo?  Super Jumbo?  Just regular old 1518?

"You have all recieved youre last warning. I am in the process of currently tracking all of youre ips and pinging your home adressess. you should not have commencemed a war with me" - Aaron Rayburn
Yegolev
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Reply #1304 on: December 11, 2009, 12:13:56 PM

I can tell you we use 1500 MTU on the client, since I'm the client.  Beyond that, the switches are impenetrable to me and the diagnosis (performed by someone else since I'm too fucking busy to do fun things) jives with a previous problem wherein packets were being mangled for some reason.  If memory serves, and it may not, we had some misaligned packet sizes causing "truncation" of the frame data between certain network appliances.  The idea that the network team is not aware of large-quantity resends is not surprising or interesting, but the ability for the CRC to fail is.  To me, anyway.

Why am I homeless?  Why do all you motherfuckers need homes is the real question.
They called it The Prayer, its answer was law
Mommy come back 'cause the water's all gone
Murgos
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Reply #1305 on: December 11, 2009, 12:48:54 PM

I just ask because the CRC algorithm changes depending on frame size, obviously the larger the packet the less robust the CRC check is with a 32 bit CRC.  The IEEE CRC standard was not chosen for accuracy, more for ease of implementation and speed, add to that even more emphasis on speedy, less resource intensive CRC checking for those jumbo and super jumbo (which are not IEEE standards btw) and I could easily anticipate more chance of false positives on a CRC check.  That said, even with a Jumbo Frame the CRC should be able to handle ~72Kb of data reliably (8*9k interestingly enough) from what I've read.

That you have enough double bit errors to practically guarantee 1 that passes the CRC check every 10TB of data (which is hefty but not really OMGWTFBBQ!), seems to me, to be pretty alarming.  The error rate is supposed specced to be 1x10^-12 for a well implemented 10GBASE-T Ethernet bus (that's the error rate due to electrical issues, not the rate at which you would expect a false positive CRC check which, I think, should be MUCH lower).  If you do have that many errors your network must be dog slow.

I don't really know all that much about it other than having spent the last few days reading the 802.3 spec and other assorted info and evaluating MAC & PHY IP cores for a BUS down select meeting.  If we decide to go with 1000BASE-T or 10G Ethernet (unlikely, it will probably be Spacewire) it would still be months until I had implemented anything and then months more before I was actually familiar enough with it in a lab to really help trouble-shoot or provide a reasonable chance at a solution.  Mostly, I was just curious.

"You have all recieved youre last warning. I am in the process of currently tracking all of youre ips and pinging your home adressess. you should not have commencemed a war with me" - Aaron Rayburn
Yegolev
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Reply #1306 on: December 11, 2009, 01:30:54 PM

Yeah, no problem at all... personally I'd like to get into what the (UNIX) guy did to determine this, but I don't have time for it.  I agree with you that there has to be a hell of a lot of errors somewhere.  The network isn't detectably slow, though we're using gigabit almost universally and I think the bottleneck is CPU or local IO.  It is almost assuredly contained in one particular route since restoring the same 10TB DB onto a machine on an entirely different (and newer) network produced zero corruption.  The target that is on the bad route has been corrupted on each of the past six or so restores, over a period of time slightly larger than one year.  The size is just big enough for us to see the corruption easily, it's not a size issue at all, like you said.  We might just be dodging it elsewhere with smaller DBs but I'm pretty sure it is isolated to a few clients on an older segment.

Interesting bit about the CRC standard.  I had no idea but it makes sense.

Why am I homeless?  Why do all you motherfuckers need homes is the real question.
They called it The Prayer, its answer was law
Mommy come back 'cause the water's all gone
Yegolev
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Reply #1307 on: December 18, 2009, 05:29:00 AM

Anyone ever open up a Razer Diamondback or similar?  My mousewheel has sudddenly become resistant to movement so I figure a quick de-gunking is in order, but turns out there are no screws on this thing.  I don't want to buy a new mouse just because my current one is dirty, but I also don't want to pry it open and end up with a crap mouse.

Why am I homeless?  Why do all you motherfuckers need homes is the real question.
They called it The Prayer, its answer was law
Mommy come back 'cause the water's all gone
lesion
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Reply #1308 on: December 21, 2009, 06:35:34 PM

Haven't done it personally. About halfway down, this says the screw is under the rear foot: http://www.dansdata.com/diamondback.htm

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Viin
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Reply #1309 on: January 03, 2010, 03:30:05 PM

So I finally found a game that makes good use of my second monitor (World in Conflict, was on sale on Steam a couple of weeks ago - you can put the "mini map" on a second monitor - rock!), but my computer dies after playing it for a bit.

It basically goes into sleep mode (monitors turn off, go into sleep mode) with no response from the keyboard or mouse. The fans in the case are still running, everything else looks like it's ON but it won't respond. Music/sound stops. Keyboard still has numlock lit but won't change. iPod still getting power from the mobo.

Any ideas what might cause this?

I had thought it might be a mobo/memory issue when this happened to me a few months ago, but at the time I wasn't even playing games when it started randomly 'sleeping'. So I took the opportunity to buy a new mobo/cpu/memory, and now that I'm trying to play games again, it's back!

I'm leaning toward the graphics card (eVGA Geforce 8800 GT), which pisses me off.. the NVIDIA system monitor (which barely works on Win7) keeps reporting GPU temps going from 64*C to 192*C, fluctuating back and forth every few seconds even when just sitting on the desktop. So something (the software or the hardware) is flakey there.

Any second opinions?

- Viin
Trippy
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Reply #1310 on: January 03, 2010, 03:32:55 PM

My guess is either your CPU or GPU is overheating, probably the GPU.
Engels
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Reply #1311 on: January 03, 2010, 07:23:47 PM

Ya, the 8800GT is a pretty good card when used on a single monitor, but asking the card to do two monitor renderings at once is probably asking a bit too much. Also, the factory cooling for that series of cards sucked ass, for the most part.

I should get back to nature, too.  You know, like going to a shop for groceries instead of the computer.  Maybe a condo in the woods that doesn't even have a health club or restaurant attached.  Buy a car with only two cup holders or something. -Signe

I LIKE being bounced around by Tonkors. - Lantyssa

Babies shooting themselves in the head is the state bird of West Virginia. - schild
Murgos
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Reply #1312 on: January 04, 2010, 05:39:48 AM

Any second opinions?

Blow all the dust out of your case and fans and run a temperature monitor, if you have two HDD's in adjacent bays move them at least 1 space apart.

"You have all recieved youre last warning. I am in the process of currently tracking all of youre ips and pinging your home adressess. you should not have commencemed a war with me" - Aaron Rayburn
Murgos
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Reply #1313 on: January 04, 2010, 10:13:25 AM

An OSX question:

If I remote VNC into an OSX session can I have the remote desktop be a different size than the current system desktop?

The current desktop is 1024x800 but the computer I am connecting in from has much more screen real-estate and I would like to make use of it.

"You have all recieved youre last warning. I am in the process of currently tracking all of youre ips and pinging your home adressess. you should not have commencemed a war with me" - Aaron Rayburn
Viin
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Reply #1314 on: January 04, 2010, 10:18:04 AM

Blew out my case, also blew out the gpu's fan/heatsink. Didn't seem to help any. Using HWMonitor my HDs are running coolish (34*C) and don't increase when playing a game.

I ran a Prime95 test with Core Temp up, and even at 85*C the i5 worked like a charm - no shutdown problems there.

I'm 80% positive it's my gfx card, as when I start the game I get FPS where I expect to see them (60+) with the settings I have. After about 5 mins the FPS drops to 30+ and then 5 more mins it'll croak. This happens in single or dual monitor mode - just faster in dual mode.

But hell, I bought a new PSU and gfx just in case.

Oddly, RivaTuner is the only app I could find that'd give me a good steady reading on the GPU temp. Even the Nvidia System Monitor software fluctuated all over the place (maybe because it's an ATI chipset mobo?)

- Viin
Sky
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Reply #1315 on: January 04, 2010, 11:52:36 AM

An OSX question:

If I remote VNC into an OSX session can I have the remote desktop be a different size than the current system desktop?

The current desktop is 1024x800 but the computer I am connecting in from has much more screen real-estate and I would like to make use of it.
Don't think so, though I haven't dug too far into remote desktop. I'm using an older version and get annoyed by it setting the window to the size of the login screen (10.3), have to close out the window and reopen it after logging in remotely to get the full desktop res without scrollbars. undecided
Murgos
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Reply #1316 on: January 04, 2010, 01:23:42 PM

For RealVNC when you start the server on the command line you pass it a value for remote desktops (i.e. vncserver --geometry 1280x1024).   Is there a command line argument to start the vncserver in OSX or is it only through the GUI?

"You have all recieved youre last warning. I am in the process of currently tracking all of youre ips and pinging your home adressess. you should not have commencemed a war with me" - Aaron Rayburn
Sky
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Reply #1317 on: January 04, 2010, 01:42:18 PM

Dunno, I just use the gooey.
Strazos
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Reply #1318 on: January 04, 2010, 08:01:16 PM


I ran a Prime95 test with Core Temp up, and even at 85*C the i5 worked like a charm - no shutdown problems there.


Is it even safe to bring the i5 to those sorts of temps?

Fear the Backstab!
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Trippy
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Reply #1319 on: January 04, 2010, 09:46:19 PM

I ran a Prime95 test with Core Temp up, and even at 85*C the i5 worked like a charm - no shutdown problems there.
Is it even safe to bring the i5 to those sorts of temps?
The limit for LGA 1156 chips is <100C.

85C is pretty high, though. I would be worried with anything above around 65C myself. My i7 doesn't even break 50C on Prime95 using this Noctua heat sink (with both fans installed).
Viin
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Reply #1320 on: January 05, 2010, 01:29:39 PM

I ran a Prime95 test with Core Temp up, and even at 85*C the i5 worked like a charm - no shutdown problems there.
Is it even safe to bring the i5 to those sorts of temps?
The limit for LGA 1156 chips is <100C.

85C is pretty high, though. I would be worried with anything above around 65C myself. My i7 doesn't even break 50C on Prime95 using this Noctua heat sink (with both fans installed).

Actually, I do think 85*C is high, though not awful. Maybe my thermal paste is old or whatever, so I'll be checking that out too - it was pretty stable even at those temperatures for 10-15 minutes. (Though I've never seen it go over 50% usage on all four cores unless doing something like Prime95). Maybe next month I'll get a new heatsink, but for now I've spent enough cash on random computer parts (and games!).

- Viin
Strazos
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The World's Worst Game: Curry or Covid


Reply #1321 on: January 05, 2010, 05:06:08 PM

How old could that paste possibly be?

Fear the Backstab!
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"Hell is other people." -Sartre
Viin
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Reply #1322 on: January 05, 2010, 05:23:39 PM

Heh, no idea .. I got it with the CPU, but who knows how long it was on the shelf before I got it. I could have put too much on or not enough - hard to say, but I'll take the CPU off and see when I open it up this weekend.

- Viin
apocrypha
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Reply #1323 on: January 07, 2010, 05:27:23 AM

Can anyone enlighten me at all with regards to choosing a decent soundcard?

I'm running Win 7 64 and want something better than the onboard AC97 I've got now. It's going to output to a Sony HT-SF1300 home theatre system which as a wide range of possible input options - Optical, COAX, HDMI and standard red/white audio jack things. I have no idea what the best option for connection is nor what the difference between all those options is!

It's for gaming, music and video playback although gaming is the main focus (the PS3 is used mostly for music/video through the same audio system).

Thanks.

"Bourgeois society stands at the crossroads, either transition to socialism or regression into barbarism" - Rosa Luxemburg, 1915.
Sky
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Reply #1324 on: January 07, 2010, 07:51:50 AM

If you want onboard DD5.1, you're going to have to get an Auzentech. I had an older card and the drivers were shit. (edit: just looked at their site and looks like they dumped the dolby chip but added hdmi out and x-fi parts). You still want to go with Auzentech if you need bluray on the pc to keep the digital path, the creative x-fi runs analog through part of the chain - no latency and it works great, but it's enough to break HDCP bullshit.

I'm using an X-Fi with the extra memory through their DTS-610 which outputs optical to my receiver. It's also on sale for $25 right now, which is a good deal.

http://us.store.creative.com/Home-Theater-Connect-DTS610/M/B002651ZEM.htm
« Last Edit: January 07, 2010, 07:56:28 AM by Sky »
apocrypha
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Planes? Shit, I'm terrified to get in my car now!


Reply #1325 on: January 07, 2010, 10:50:06 AM

I don't need BluRay on the PC, the PS3 handles that with aplomb.

I admit I don't really understand a lot of the rest of what you said..  Ohhhhh, I see.  I need something else inbetween the soundcard and the theatre system? Huh? Why? Also the only Auzentech card I can find for sale in the UK (with a cursory search) is £152. That seems like a vast amount for a soundcard!

I'm confused :(

"Bourgeois society stands at the crossroads, either transition to socialism or regression into barbarism" - Rosa Luxemburg, 1915.
Sky
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I love my TV an' hug my TV an' call it 'George'.


Reply #1326 on: January 07, 2010, 11:59:51 AM

Creative X-Fi cards output surround sound to analog and need an intermediate step. Either setup (creative or auzentech) will cost you over a hundred bucks unless you get that deal on the DTS-610 at $25. Looking at PCI express X-Fi, that route would cost you around $75 ($50 X-Fi + DTS-610).

« Last Edit: January 07, 2010, 12:02:38 PM by Sky »
Engels
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Reply #1327 on: January 07, 2010, 01:18:17 PM

You still want to go with Auzentech if you need bluray on the pc to keep the digital path, the creative x-fi runs analog through part of the chain - no latency and it works great, but it's enough to break HDCP bullshit.

Are you saying that you can't use creative x-fi if you want to run bluray through a reciever? Cuz I watch bluray on my PC and use a creative x-fi card, but I don't have a reciever, just go straight to speakers from the card.

I should get back to nature, too.  You know, like going to a shop for groceries instead of the computer.  Maybe a condo in the woods that doesn't even have a health club or restaurant attached.  Buy a car with only two cup holders or something. -Signe

I LIKE being bounced around by Tonkors. - Lantyssa

Babies shooting themselves in the head is the state bird of West Virginia. - schild
Sky
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I love my TV an' hug my TV an' call it 'George'.


Reply #1328 on: January 07, 2010, 01:55:39 PM

Stereo downsampled, unless you're running a digital out to the speakers? There may be a way to pass surround that's already encoded, but for encoding on the fly, you need the stupid DTS-610.
Engels
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inflicts shingles.


Reply #1329 on: January 07, 2010, 05:59:57 PM

Oh, its not surroundsound, its just two speakers and a woofer. Standard PC sound system. I think I get you now.

I should get back to nature, too.  You know, like going to a shop for groceries instead of the computer.  Maybe a condo in the woods that doesn't even have a health club or restaurant attached.  Buy a car with only two cup holders or something. -Signe

I LIKE being bounced around by Tonkors. - Lantyssa

Babies shooting themselves in the head is the state bird of West Virginia. - schild
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