Which Motherboard

cook · Post by **cook** » Mon Apr 20, 2009 9:47 pm

Hello Guys,

I have a Scope with 6 DSPs and a Luna Box.
Last time it nicely worked was with a cheap MoBo with one 1400 AMD Processor, 2003-4, Win XP.
Meanwhile I had 2 or three ASUS MoBos, currently with Dualcore 3.02.

It freezes.
I tried many things and read many topics here in these forums but didn't succeed in getting it to work properly.

Maybe there's an easy way to get it working again, like: "Take this MoBo, it works fine here."
I would appreciate very much to get an advice!

So, please tell me, which Motherboard that I can buy now works fine for u?

fidox · Post by **fidox** » Tue Apr 21, 2009 4:03 pm

hey,

well, i had problems with asus mobo too (875 chipset), but
i guess not cause of mobo, but one of my Pulsar XTC,
i got freezes too, blue screens....
i still have that mobo, my second computer with Luna II only installed and works just fine, no problems at all,

so, i changed with Abit mobo (same 875 chipset) where i have Luna II + 2 x Pulsar XTC and works really stable...

in my case other mobo (other than asus) helps.

btw, i have both computer installed PC Standard mode, did you try that before ? i'm not familiar with dual core, but you mentioned you had asus mobos before... not sure if this is the case,

hope you'll figure out

best

matej

cook · Post by **cook** » Tue Apr 21, 2009 9:27 pm

thanks, Matej,

The standard PC mode-option is not available anymore with dualcore systems.
That might be the problem.

But I know, many people here have the SFP running successfully, and, I reckon, with dualcores too.
I want to give it one more try ... but I already had so many ... hm.

What's the best chance it will work again, if I build a completely new system?

okantah · Post by **okantah** » Wed Apr 22, 2009 12:12 pm

Hi cook,
i can try fixing it for you if you will be around Amsterdam ?

cook · Post by **cook** » Wed Apr 22, 2009 4:49 pm

I might be! PMed u.

okantah · Post by **okantah** » Thu Apr 23, 2009 2:34 pm

cook
please check your mail box.
chheers

the19thbear · Post by **the19thbear** » Fri Apr 24, 2009 12:07 am

please post your tricks!

cook · Post by **cook** » Fri Apr 24, 2009 6:39 am

Okantahs tricks:

1 Reset bios to default.
2 ACPI support..yes
3 ACPI\APIC.... enable
4 PnP set to yes.
5 save bios to new settings,reboot,
6 when windows start load drivers,press & hold F5.choose either
multiprocessor Or standard pc,any of these setting must work if not try
the other.press enter to your selected choice,windows will continue
loading restart within 30 seconds,enter in the bios again,this time very
important:
7 ACPI support..yes
8 ACPI\APIC.... disable
9 PnP set to no.
save bios to new settings,reboot,continue windows installation,

the19thbear · Post by **the19thbear** » Fri Apr 24, 2009 10:56 pm

you write "continue windows instaalation".
so i have to reinstalll windows??

cook · Post by **cook** » Fri Apr 24, 2009 11:21 pm

yes, from scratch.

Post by **garyb** » Fri Apr 24, 2009 11:38 pm

no, just the HAL.

the19thbear · Post by **the19thbear** » Sat Apr 25, 2009 4:16 am

the HAL?
what is that?

eric · Post by **eric** » Sat Apr 25, 2009 6:28 am

the19thbear wrote:the HAL?
what is that?

Hardware Absraction Layer.

The layer between the OS and the MOBO.
All the drivers and stuff that talk to the specific MOBO hardware.
You will probably need the MOB CD.

Eric.

the19thbear · Post by **the19thbear** » Sat Apr 25, 2009 7:01 am

and then do what?

valis · Post by **valis** » Sat Apr 25, 2009 7:38 am

When you change 'computer' type in device manager it loads a different HAL & kernel. Moving to 'standard pc' (or 'multiprocessing pc' to support all your cores) from an ACPI mode (ACPI Multiprocessor PC for multicore installs) means that you'll be loading a HAL that bypasses the APIC controller, all your hardware will be reloaded (the drivers) by the OS on reboot and assigned a 'legacy' IRQ address & mapped memory address(es).

You'll need to have all those drivers on hand, but since they're already installed on the system it should be fine. The only driver prompt I know for certain I get is the initial installation media (for windows). I prefer to use a slipstreamed sp2 or sp3 xp cd rather than the original, as the kernel and many other devices have been changed over the OS versions. It's a good idea to make an image of your OS partition (using ghost/acronis/driveimage etc) and disable system restore as it only makes a mess of your HD to roll back from this. Disabling 'plug&play' in your BIOS before doing this will prevent the OS from remapping things as the OS sees the hardware, but it may also pose issues for discovering certain hardware and any hardware conflicts that you have due to shared IRQs you'll have to resolve using other means (BIOS steering or better yet physically move things around).

I also like to remove things like soundcard drivers and graphics card drivers (unplug & perhaps clean midi device drivers) so that the core of the OS reloads and then I can worry about where the rest of the stuff slots in without cluttering up the registry with unused hardware drivers.

Personally I don't bother with any of this anymore, and it's certainly not something you'll want to do on any OS past Xp (vista's ACPI support is vastly superior). If you're interested in using scope, use a known-compatible motherboard when building your PC or get one that is known to work when you have issues. The rest of the problems can be resolved using normal troubleshooting methods discussed here. Just my opinion, feel free to do as you like once you understand what you're undertaking.

the19thbear · Post by **the19thbear** » Sat Apr 25, 2009 11:44 am

I dont have money for buying a new motherboard and cpu right now.. ( i'm using xtc mode and get the "scope returned error number...somehting.. all communication with board lost etc..", this never happens if i disable a core.. but its annoying that i have to disable it everytime i launch my daw) so:
forgive me for asking again:
How do i do this?
I have the drivers for everything on my motherboard...
where do i go from here?

thanks again!

cook · Post by **cook** » Sat Apr 25, 2009 9:59 pm

Find a dedicated expert and pay them for their time - that's what I will do (happily) too if the excellent and relatively simple tricks from Okantah won't help me! Every case is a bit different probably.
Wish u success, bear!!

kylie · Post by **kylie** » Mon Apr 27, 2009 11:33 pm

wouldn't it be sufficient to add another boot ini entry that limits the number of cpus to one?
(read http://www.onlinehowto.net/Tutorials/Wi ... itches/886 and look for the /ONECPU or /NUMPROC= option)

krizrox · Post by **krizrox** » Fri May 08, 2009 5:36 am

cook wrote:Okantahs tricks:

1 Reset bios to default.
2 ACPI support..yes
3 ACPI\APIC.... enable
4 PnP set to yes.
5 save bios to new settings,reboot,
6 when windows start load drivers,press & hold F5.choose either
multiprocessor Or standard pc,any of these setting must work if not try
the other.press enter to your selected choice,windows will continue
loading restart within 30 seconds,enter in the bios again,this time very
important:
7 ACPI support..yes
8 ACPI\APIC.... disable
9 PnP set to no.
save bios to new settings,reboot,continue windows installation,

What exactly are we fixing by doing all this? I'm not clear what this is supposed to do. Is it an issue of IRQ sharing? If so, can't you simply disable the other IRQ functions in Windows?

cook · Post by **cook** » Fri May 08, 2009 7:34 am

On many computers, Scope makes the OS freeze, changing the HAL helps.

PlanetZ forums - scopeusers.com

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