[Philippe Domengie]

Dear Bob,

Thanks for your precisions.

Firstly, I’m still disappointed about PM enclosure performance. I was wondering that 2 drives (each delivers 100MB/s into the PM before Raid0 stripping) will perform better than just a gain of 10 or 20MB/s.

For the 220 MB/S limitation (maximum speed you’re talking about) I agree with you to the 250MB/s PCIe 1x buss limitation.

For internal drives into a MacPro, I’ve read you can do far better than 300MB/s, even with Apple Raid software (disk utility), ie : https://www.hardmac.com/niouzcontenu.php?date=2008-02-25 (it’s the 4th news, the one with diagram)

At last, I insist about money. Money is always important for those with which that misses. And I do not see how it bothers you that I try to have the best from my gear.
I’ve used a Powermac dual 1Ghz during 5 years before buying my MacBook Pro. Before I sold it, it became a “frankenstein” boosted computer if you see what I mean.

Regards

Philippe Domengie.

[Philippe Domengie]

I do it right now…

[Philippe Domengie]

Hi Bob,

You say that : “You are limited to the buss speed of the 34 slot. I don’t care if the array does 600mb/sec – it ain’t gonna happen on a MAC Book Pro.”

Whao ! Maybe other people like me had to choice between a mobile solution versus a desktop one within a limited budget. And IoHD is a mobile product. So what is the problem to try to have the best of every dollar spent?

As you say, speed is limited by the 34 slot, but it is a PCIe one lane, 250 MB/s capable… So I’m really disappointed to not reach 200-220MB/s with a 2 disks raid0 array.
Is it a driver problem? If yes, driver of the express esata card, of pcie component on motherboard?

Regards,
Philippe.

[Philippe Domengie]

Hi Gary,

You was right : I have a firmware update problem.

Aja updater software shows me that “moab_dc_top.bit” (2nd line) is 07/31/2008 as “date of firmware in this update” and 08/12/2008 as “date of firmware in ioHD” … weird …

So I’ve uninstalled everything, deleted iohd package in receipts folder, reboot, reinstall, reboot, reflash all the 6 parts of firmware, reboot the IoHD, then the computer. At this point, my problem was still there, but the firmaware update software indicated proper dates.

After an other reboot this morning, firmware update software shows again the two differents dates (07/21/2008, 08/12/2008).

What does it mean ? I’m disappointed as I have to work on 720p50 very soon…

Thanks a lot for your help.

[Philippe Domengie]

Hi Gary,

You was right : I have a firmware update problem.

Aja updater software shows me that “moab_dc_top.bit” (2nd line) is 07/31/2008 as “date of firmware in this update” and 08/12/2008 as “date of firmware in ioHD” … weird …

So I’ve uninstalled everything, deleted iohd package in receipts folder, reboot, reinstall, reboot, reflash all the 6 parts of firmware, reboot the IoHD, then the computer. At this point, my problem was still there, but the firmaware update software indicated proper dates.

After an other reboot this morning, firmware update software shows again the two differents dates (07/21/2008, 08/12/2008).

What does it mean ? I’m disappointed as I have to work on 720p50 very soon…

Thanks a lot for your help.

[Philippe Domengie]

For Todd : your trick doesn’t work for me as this setting was already in previous control panel.

For Gary : I forget to mention : OS : 10.5.4, QT : 7.5.0

[Philippe Domengie]

Hi Gary,

Cheers for your help, but it doesn’t work for me. I didn’t explain very well my problem : it’s not really a “flicker” problem, monitor (sec PAL 625i25) looks weird, as if there is a color mishandling on signal : diagonal thin band accross the image even on the test pattern. It appends only when primary is 720p50 (and of course secondary format is always 625i25). No problem with 1080i25 or 1080p25 with FCP 6.0.4 and test pattern. The problem is present everywhere, even when I read a .mov 720p25 Prores with AjaTV.

I didn’t have any problem with previous Aja software realase…

Any clue?

Cheers.

My Gear :
Macbook pro 2.4, 4Go RAm, Esata raid0 2To, AjaIO Hd v6.0, FCP 6.0.4, monitoring with Svideo to Standart PAL TV.

[Philippe Domengie]

Hi Carsten,

I’ve exactly the same throughput with a 2To Raid0 Esata system (2x1To disks in a EnhanceBox 4 x 3.5″ SATA II HDs E4 PM system) connected to a Macbook Pro 2.4.

I wonder why it is so “slow” as each disk (Hitachi 7K1000) is able to deliver almost the same throughput, SATAII connection is 300MB/s and expresscard is a one lane PCIe supporting 250MB/s…

I would like to know what kind of throughput I could reach if I was connecting my “Raid box” to a Mac Pro.

Anyway, it is really enough to work fluently with 1080p25 ProRes and the IoHD.

[Philippe Domengie]

Hi Todd

I can’t help you because I’ve the same problem. Since 6.0 update sftware, and only when I work on a 720p50 project, the SD analog video output flickers (PAL 625i25). No problem with 1080i25 nor 1080p25.
Very embarrassing…

Any idea here at the cow ?

Thanks for your help.

My Gear :
Macbook pro 2.4, 4Go RAm, Esata raid0 2To, AjaIO Hd, monitoring with Svideo to Standart PAL TV.

[Philippe Domengie]

Not yet. I do it now and let you know.