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MPL MCDISK G1 SCSI to PCMCIA Converter

gonzo

6502
Hi all,

I recently got some of those MPL units from scrapped military PCs: http://www.mpl.ch/t2332.htmlThey should behave like SCSI disks.

So I tried to use one together with a PCMCIA to CF-Card Adaptor (which is just something mechanical, the bus protocol is the same) with my classic computer stuff. I patched DriveSetup 1.7.3 on OS 7.5.5 to accept the MCDISK. I was able to format a 512MB CF-Card in it and mount it. So I placed some files on it, ejected it (via DriveSetup) and put the CF-Card into a USB Card Reader connected to an iMac G4 running OS-X 10.4. I cound read the files and even use the CF-Card for data transfers beween the systems. But I also got some really strange things:

  • When I format the CF Card on OS-X (HFS Standard format) I cannot mount it on the 7.5.5 system. I get the error that filesystems bigger than 4GB (on a 512MB flash card???) can only be mounted on 68040 and PowerPC when trying to mount it with DriveSetup. Huh?
  • When I reboot the 7.5.5 system, I get the same strange message.
  • --> I have to format the CF-Card on every startup!
  • I checked the CF-Card's content with my workbench Linux PC with both the MCDISK and a USB card reader the contents of the CF-Card look OK.
Do you folks here have an explanation for this behavior?

Else those MPL devices would be a great option for Mac II and sort because they would fit greatly behind the slot meant for a floppy drive.

Regards

Florian

 
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