Profire 2626 DSP Mixer buffer is locked on 64 Bits

[DigiTechSupt]

Originally Posted by Troy Tracks Studio

I've been trying them all up and down the list from 64-2000+

I have a GLYPH 1TB hard drive linked via firewire! That's my next trouble shooting task. I'll have to reset when PT records to and get back behind my rack but I'll do that tomorrow when I have a day off.

Will also try the additional Bios tip.

Recorded on Sunday in a different program with no problem so I'm confident I'll get it worked out in pro tools.

Am I to assume the problem with locking sample rates is no longer a problem? If so, can you start a new thread with your latest problem and provide the info we ask for in the Help Us Help You sticky, so that we can assist you further?

[DigiTechSupt]

Originally Posted by ubrnostrum

with pro tools closed, I change it in the DSP mixer, then when PT opens, it goes right back to 64, regardless of what the buffer size (playback engine) is in PT.

Have you tried NOT opening the DSP mixer (or any other application AND with your Sounds and Audio Devices panel set to something other than your Digi/M-Audio hardware) and just changing the buffer in Pro Tools?

To dig in any deeper we're going to need more info - can you post your Sandra report?

[DigiTechSupt]

Originally Posted by phoketztight

I thought it was only me i have a delta 1010 and its locked at 64 using 8.03 with the latetest cs update

And another thread here
http://duc.digidesign.com/showthread.php?t=268890

The same applies here - lack of info is the main reason threads go unanswered or unresolved. Look at that thread you linked to - serious lack of info there. Instead of us (or other DUC members) going 'try this or try this' - we've written the Help Us Help You and General Troubleshooting threads, as they cover a vast majority of the problems reported here on the DUC. It's easier to refer people to those threads than repeat ourselves over and over again. We want to help - but we need your info and participation to do so.

[scadh]

Originally Posted by DigiTechSupt

Can we move posts like this to their own thread, rather than mixing them up with other issues? It's easier to troubleshoot when we're focused on a specific problem.

In your case, we're going to need more info to be able to help - a Sandra report is a great place to start. The Help Us Help You thread details what we need to know to provide proper assistance.

I'll move to another thread if you like, but I believe my issue is the same as others in this thread: Pro Tools forces the interface to a buffer of 64 samples upon startup -- regardless of what is set in the control panel before opening Pro Tools and regardless of what is set in the Playback Engine dialog after opening. Pro Tools DOES correctly adjust the sample rate in the interface control panel to match the session.

Running PTMP 8.0.3 on Vista 32-bit with an Audiophile 192. I have performed all of the Windows Vista optimizations referenced in General Troubleshooting, tried deleting databases and preferences, and disabling c1e in system bios. Additional hardware described in Sandra report:

SiSoftware Sandra

Computer
Model : System manufacturer System Product Name
Workgroup : WORKGROUP
Host Name : Steve-PC
User : Steve

Processor
Model : Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz
Speed : 2.13GHz
Cores per Processor : 2 Unit(s)
Threads per Core : 1 Unit(s)
Type : Dual-Core
Integrated Data Cache : 2x 32kB, Synchronous, Write-Thru, 8-way, 64 byte line size
L2 On-board Cache : 2MB, ECC, Synchronous, ATC, 8-way, 64 byte line size, 2 threads sharing

Computer
Mainboard : Asus P5B-Deluxe
BIOS : AMI 0711 09/29/2006
Bus(es) : ISA X-Bus PCI PCIe IMB USB FireWire/1394 i2c/SMBus
Multi-Processor (MP) Support : No
Multi-Processor Advanced PIC (APIC) : Yes
Total Memory : 2GB DIMM DDR2

Chipset
Model : ASUS P5B
Front Side Bus Speed : 4x 267MHz (1GHz)
Total Memory : 4GB DIMM DDR2
Memory Bus Speed : 2x 401MHz (802MHz)

Memory Module(s)
Memory Module : Corsair CM2X1024-6400 1GB DIMM DDR2 PC2-6400U DDR2-800 (5-5-5-18 3-22-6-3)
Memory Module : Corsair CM2X1024-6400 1GB DIMM DDR2 PC2-6400U DDR2-800 (5-5-5-18 3-22-6-3)
Memory Module : Corsair CM2X1024-6400 1GB DIMM DDR2 PC2-6400U DDR2-800 (5-5-5-18 3-22-6-3)
Memory Module : Corsair CM2X1024-6400 1GB DIMM DDR2 PC2-6400U DDR2-800 (5-5-5-18 3-22-6-3)

Video System
Video Adapter : NVIDIA GeForce GT 220 (32 SM4.1 1.36GHz, 1GB DDR2, PCIe 2.00 x16)

Graphics Processor
Adapter : NVIDIA GeForce GT 220 (48SP 6C 1.36GHz, 1GB)
Adapter : NVIDIA GeForce GT 220 (48SP 6C 1.36GHz, 1GB)
Adapter : NVIDIA GeForce GT 220 (32SP 1.36GHz, 985.8MB)

Storage Devices
Seagate ST3808110AS (80GB, SATA150, 3.5", NCQ, 8MB Cache) : 75GB (C:)
Seagate ST3320620AS (320GB, SATA150, 3.5", NCQ, 16MB Cache) : 298GB (D:)
TSSTcorpCD/DVDW SH-S162L (ATA33, DVD+-RW, CD-RW, 2MB Cache) : N/A (E:)

Logical Storage Devices
Hard Disk (C:) : 75GB (NTFS) @ Seagate ST3808110AS (80GB, SATA150, 3.5", NCQ, 8MB Cache)
Audio Drive (D:) : 298GB (NTFS) @ Seagate ST3320620AS (320GB, SATA150, 3.5", NCQ, 16MB Cache)
Optical Drive (E:) : N/A @ TSSTcorpCD/DVDW SH-S162L (ATA33, DVD+-RW, CD-RW, 2MB Cache)

Peripherals
LPC Hub Controller 1 : ASUS P5B
LPC Legacy Controller 1 : Winbond W83627DHG
Audio Device : 6510 High Definition Audio Controller
Audio Codec : nVidia 000Ah
Audio Codec : nVidia 000Ah
Audio Codec : nVidia 000Ah
Audio Device : VIA M-Audio Delta AP192
Serial Port(s) : 1
Disk Controller : ASUS 82801H (ICH8) 4 port SATA Controller
Disk Controller : ASUS 82801H (ICH8) 2 port SATA Controller
Disk Controller : ASUS P5B [JMB363]
USB Controller 1 : ASUS P5B
USB Controller 2 : ASUS P5B
USB Controller 3 : ASUS P5B
USB Controller 4 : ASUS 2833h
USB Controller 5 : ASUS P5B
FireWire/1394 Controller 1 : ASUS TSB43AB22 1394a-2000 OHCI PHY/Link-Layer Controller
SMBus/i2c Controller 1 : Intel 801xx/63xx SMBus

Printers and Faxes
Printer : Microsoft XPS Document Writer (600x600, Colour)
Fax : Microsoft Shared Fax Driver (200x200)

Network Services
Network Adapter : Generic Marvell Yukon Chipset based Ethernet Controller (Ethernet, 100Mbps)

Power Management
Mains (AC) Line Status : On-Line

Operating System
Windows System : Microsoft Windows Vista Ultimate 6.00.6002 (Service Pack 2)
Platform Compliance : x86

[Troy Tracks Studio]

Correct, Buffer Lock Solved
As stated earlier I'm about 90% sure that Deleting the Prefs (as I should have seen in the trouble shooting folder) was what fixed it. It went to 64 upon the original load but now does reflect whatever changes that you make in the playback engine menu within PT8.

The root cause of my playback problem was a bandwidth issue with my built in Firewire port. Disconnecting my External Drive and recording to the hard drive eliminated my buffer issue. I installed an additional 1TB Internal Drive and plan to install an upgraded PCI Firewire port.

I apologize for my lack of info provided and I have taken the time now to read all the trouble shooting threads and will try to write more descriptive posts in the future. I do appreciate all the people that took the time to try to help with my issues and I'll do better in the future.

[scadh]

SOLVED.

For me, the culprit was the "minimize additional i/o latency" option in the Playback Engine dialog. It is selectable only if the "ignore errors on playback/record" option is also selected.

In hindsight, that's probably not a PT bug. It's probably doing exactly what it's supposed to.

Honestly, I don't remember that option having been set before so I'm unsure whether I accidentally enabled it at some point or whether it was something I enabled while troubleshooting after I started noticing the problem. Either way, it's fixed now and everything is back to normal.

[DigiTechSupt]

Ok, good to know you found the culprit! Sometimes it's the simple things - there are a lot of assumptions made that at time because of the myriad of options available. We typically assume the Playback Engine settings have been tried already but, in the future, we'll verify that in cases like these.