Emax

Yes-

Wasn't sure how Mac OS X did the raw disk and didn't look before.

dd if=EMAX1-1.EZ1 of=/dev/rdisk3

completed in 17 secs.
So quite signicant change in time….


On Jan 5, 2013, at 12:54 AM, Human Being wrote:

When using dd on a Mac, /dev/rdisk* will give you lower-level access and a lot faster transfers.

On Jan 5, 2013, at 12:29 AM, Ted Summers wrote:

> I was doing a little testing.
> 
> I couldn't get EMXP to work using Virtual Box.
> it would run, and appeared to read an SD CARD ok.
> 
> But - Writing an image to a SD card didn't work.
> Now, with that said-  I do have a PC and had copied an image from SD using EMXP on the PC.
> I copied this file to USB, then to my mac desktop.
> 
> Where you have a Hard drive image created by EMXP you can use the unix "dd" command to write it to the flash!!!!!
> "dd" is direct to the device and doesn't do formatting, interpretation, or anything- it takes whatever "input" and writes it to whatever output you specify, as a raw stream.
> 
> To clarify the process-
> 
> I had a 32MB SD card in a SD to USB adapter on my Mac Pro.
> 
> 1) In disk utility, I highlight the PC formatted flash in the adapter and click the "Info" button.
> It reveals the disk is "disk3" in my case (yours could be different as I have 3 other Hard disks, it could be disk1 or disk 2- this WILL vary).
> The disk identifier could even be changed by having CD / DVDs in the optical drive….
> 
> 2) I UNMOUNT the volume (not EJECT) - if you eject you have to remove, reinsert and start over….
> 
> 3) Open Terminal
> 
> 4) The file is on my desktop, so I go there:
> cd Desktop
> 
> 5) Now I run a dd command- 
> 
> **********WARNING- improper usage of the "dd" command to your existing drives can destroy the data / bootability of your drives.
> Use the command with caution, and clearly understand what the parameters are and their effect !!!!!  ******** 
> 
> If you aren't sure- DON'T DO IT!
> I am not responsible if you improperly use the command and make your Mac no longer boot!!!
> 
> (where my EMXP EMAX HD image is named "EMAX1-1.EZ1")
> 
> dd if=EMAX1-1.EZ1 of=/dev/disk3
> 
> It took 90 seconds to complete.
> It writes the file as a stream until the write is complete….
> 
> To clarify-
> if   = INPUT FILE
> of = OUTPUT FILE / DEVICE
> 
> For any Unix gurus out there- specifying block size did not speed up the operation, as I did test that parameter in conjunction with "count"
> 
> Took the flash to my Emax and it booted from it fine and loaded the bank.
> 
> Anyways- just thought I would share what I had found out….
> 
> Regards,
> Ted
> 
> ------------------------------------
> 
> Emax and Emax II User's Group Website
> 
> http://www.silveriafamily.comYahoo! Groups Links
> 
> 
> 



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Emax and Emax II User's Group Website

http://www.silveriafamily.comYahoo! Groups Links