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Matthew Nielsen edited this page Apr 30, 2021 · 12 revisions

SCSI Details for Iomega Floptical Drive

Report from TattleTech 2.59 for the Iomega Floptical 21MB/1.44MB SCSI drive (also sold under the "Insite" brand).

Report taken on a Mac Classic II running OS 7.5.3, and v4.04 of the Iomega Floptical Driver.

I don't have a report of what it looks like with a 21MB disk in the drive because I haven't got one yet.

Report with no disk in drive

� SCSI Device# = 4
   � Device Status = Device Connected
   � Name = [NA]
   � Driver# = -37
   � Type = 0   (Direct Access)
   � Capacity = [Unknown]
   � Manufacturer = IOMEGA
   � Product = Io20S         *F
   � Revision = PP33
   � ROM Revision = $000000D9B0273C20
   � Device Attributes :
      + Removable Media = Yes
      + ANSI Compliant = Yes  (SCSI 2)
      + ECMA-111 Compliant = No
      + ISO IS 9316 Compliant = No
      + Wide SCSI (32-bit Transfers) = No
      + Wide SCSI (16-bit Transfers) = No
      + Fast SCSI (Synchronous Transfers) = No  (5MB/sec max)
      + Linked Commands = No
      + Tagged Command Queuing = No
      + Soft Reset = No
      + Relative Addressing = No
      + Terminate I/O Process = No
      + Asynchronous Event Notification = [NA]
      + Response Data Format = 2

Report with 1.44MB disk in drive

� SCSI Device# = 4
   � Device Status = Device Connected
   � Name = untitled
   � Driver# = -37
   � Type = 0   (Direct Access)
   � Capacity = 1,474,048 Bytes  (1.4 MB)
   � Manufacturer = IOMEGA
   � Product = Io20S         *F
   � Revision = PP33
   � ROM Revision = $000000D9B0273C20
   � Device Attributes :
      + Removable Media = Yes
      + ANSI Compliant = Yes  (SCSI 2)
      + ECMA-111 Compliant = No
      + ISO IS 9316 Compliant = No
      + Wide SCSI (32-bit Transfers) = No
      + Wide SCSI (16-bit Transfers) = No
      + Fast SCSI (Synchronous Transfers) = No  (5MB/sec max)
      + Linked Commands = No
      + Tagged Command Queuing = No
      + Soft Reset = No
      + Relative Addressing = No
      + Terminate I/O Process = No
      + Asynchronous Event Notification = [NA]
      + Response Data Format = 2

Driver

MacOS 6+ driver can be found on the driver page at vintageapple.org.

GS/OS driver can be found on MacGUI.com.

Other Notes

Some models have automatic eject (my model Io20S rev PP33 does), but not all.

The Mac Classic II tested with could not boot from the drive. The machine would boot using the hard drive regardless of if there was a disk in the Floptical drive or not.

The drive cannot read 720KB PC floppies nor 800KB Mac GCR floppies. Iomega was reportedly working on a version that could (for the PowerBook) but it never materialized.

If Iomega Zip/Jaz utils are installed they will recognize the drive as an Iomega device but they can't do much with it.

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