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Old 12-22-2013, 06:41 AM
gandlz gandlz is offline
Join Date: Mar 2011
Location: Austria
Posts: 53
Default Magma EB4 - ExpressBox 4 (2U) - Windows boot freeze, not starting with PCIe HD3 Accel


I have just bought an EB4 expansion chassis for my HD3 rig. The system was working perfect inside my computer also in combination with my UAD-2 Quad card.

My system:
Windows 7 Professional 64bit
AMD Phenom II X4 3.4GHz, 16GB DDR3 1333MHz, Sapphire Radeon HD 5850, Gigabyte GA-890FXA-UD5, (onboard audio, parallel and serial port disabled in bios)
I have connected the graphics card to the first PCIe slot. No additional cards are installed (also the UAD-2 Quad is not installed at the moment). There is an x4, x8 and x16 slot left but it does not make any difference where the Magma host card is connected. The computer works as usual as long as the chassis is not powered on but still connected. I mean everything else works but not Pro Tools then for sure ;-)

Empty chassis:
No bios beep – so nothing at all.
I could solve this by disabling the additional Gigabyte/JMicron SATA controllers in bios. Would not be a problem because all my drives are connected to the AMD SATA ports

2 Pro Tools Cards installed:
It works. But when installing the UAD-2 Quad to the Mainboard there is again no bios beep.

3 Pro Tools Cards installed:
Bios beep, but freezing when trying to boot windows as it says “loading operations system”.
It works when disabling LAN1, LAN2 and USB3 in bios. But also not with the UAD card.

So this is not acceptable. I need at least one LAN card to connect to the C24.
What is the problem here?
Is the system running out of resources/interrupts or something like this?

I also tried it within a new bought socket 2011 Intel machine.
The additional Marvell SATA controllers also had to be disabled to get a bios beep. Then it boots up windows but right after boot it had a blue screen.

Any ideas?

Merry Christmas!
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