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Hard Drive setup for UAD Cubase SX3 and G4 1.42?

dborgers

New Member
This is my first post.

I have a G4 Dual 867 MDD which has worked great with my SCSI drives (2 Ultra160's), up to 75 tracks of audio and VSTi's. Using 2 UltraSCSI drives with Adaptec 29160N PCI card. Worked like a charm UNTIL I put the UAD card in.

Problem is when I installed the UAD-1 card and Studio Pak I got pops and crackles. Latest drivers installed for 10.3.9.

Thinking it was the bus speed (100mhz) I've bought a G4 FW800 1.42 with the 167mhz bus speed which I haven't set up yet.

I didn't want to jump into a new G5 until that's sorted out better. Too many variables to make good decisions about peripheral gear i.e. PCI-X vs PCI-e, software catching up to Intel Macs, Apple rolling out yet another version of the Gx soon, et.

Adaptec has discontinued support for the Mac beyond Panther and I am moving to Tiger 10.4.6 in my new (used) computer

I usually cut audio 24/44.1 for compatibility with samples and VSTi's

Questions are:


1. Should the PCI bus be fast enough to support a PCI-324 card with all 24 bus out to an O2R and USUALLY 24-48 tracks of audio with a couple VSTi's too) AND a couple of UAD-1 cards without pops and crackes when UAD is active. Sometimes I can use 2 or 3 instances but only if I solo the tracks and up the buffer size in my MOTU PCI-324 control panel. 2 gig of PC2100 ram in the Dual 867 MDD G4. I'll have the new G4 FW800 1.42 maxed out at 2 gigs of PC2700.

2. Since I'll no longer use my UltraSCSI drives what drive configuration would work best? System on ATA66 with RAID 0 and ATA100 drives for audio (maybe with a RAID 0)

Is Firewire 800 enough to handle just my audio tracks if I use the ATA100 bus for samples (VSTi's include The Grand, Battery, Virtual Guitarist, Groove Agent and I also use Reason 3.0 mostly NN-XT samplers..4 at most with ReWire)

Am I gonna have to get a SATA PCI card/drives, and will that affect the performance of the PCI bus for UAD cards and PCI-324 too much?

Or should I use ATA100 for audio and use Firewire 800 for samples?

Will I get a usable UAD compatible system that way (which I don't have now)?

Since Adaptec has discontinued support beyond Panther I need to make a more vis a vis my hard drive configuration with new computer.

Thanks, any working systems out there with similar systems G4 1.42 or 1.25 would be very helpful before I start dropping money like crazy.

If ATA100 will be plenty fast enough for my audio tracks I'd rather go that route than tax the PCI bus system with a SATA card.

Thanks in advance for your kind replies

[/b]
 

demonsp

Active Member
My advice is to use all buses in the Mac for different tasks.
Perhaps Firewire for audio interfaces, PCI for UAD-1, ATA for Hard drives and USB for midi/peripherals.
I'm currently running audio drives (2) on ATA66 bus exclusively. (RAID stripe)
Leaving ATA100 bus for system and samples. (2 separate drives)

Have read posts that stripe doesn't make much of a difference, but I'm doing it anyway.
SCSI will indeed give you higher track count but if you work with 24/44.1Khz you shouldn't run out of bandwidth. (using ATA66 bus)

Cheers!
 
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