Removable Media Information
These tables are presented as information for the most widely used and popular alternatives to floppy disk technology. The first group is compatible with the standard 1.44MB diskette in that it can read it and write to it. The native media is larger and is NOT compatible between the different devices. The second group is that of larger removable technology associated with the IBM PC compatible computers. The information here is not intended to show all manufacturers, drives, computers, schemes or devices that were available to the technology sector in general. You may also wish to see our Floppy Disk Information. You may click on the links in the information to go to the manufacturer's site.
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Large Capacity Diskettes
These drives READ & WRITE regular 720KB & 1.44MB diskettes! |
| | Imation's 120MB
LS-120 SuperDisk
(1996) | Maxell's 120MB
LS-120 SuperDisk
(1996) | Sony's 200MB
* HiFD *
(1997) |
| RPM | 720 | 720 | 3600 |
| Media Formulation | Metal particle | Metal particle | Metal particle |
| Heads | 2 | 2 | 2 |
| Tracks | 1736 | 1736 | 3482 |
| Tracks per Inch | 2490 | 2490 | 2822 |
| Sectors per Track | 51/92 | 51/92 | |
| Bytes per Sector | 512 | 512 | 512 |
| Formatted Bytes | 125829120 | 125829120 | 209715200 |
| The different companies use different technical standards, so their native Disks are NOT interchangeable! |
| Large Capacity Removable Disks |
| Models | Zip | SuperDisk | HiFD | EZFlyer | Zip | Sparq | SyJet | Jaz | ORB |
| Companies | Iomega | Imation
Matsushita
Maxell
Mitsubishi | Sony
Mitsubishi
Fuji
Teac | SyQuest | Iomega | SyQuest | SyQuest | Iomega | Castlewood |
| Capacity | 100 MB | 120 MB | 200 MB | 230 MB | 250 MB | 1.0 GB | 1.5 GB | 2.0 GB | 2.2 GB |
| Popularity | ****** | ** | | | **** | ** | * | *** | * |
| Transfer Rate MBps | 1.40 | 0.12 | 3.6 | 1.8 | 2.4 | 3.7-6.9 | 5.6 | 5.4 | 12.2 |
| Seek Time | 29 ms | 29 ms | 49 ms | 13.5 ms | 29 ms | 12 ms | 12 ms | 10 ms | 10 ms |
| Buffer Size | 32 KB | 10 KB | | 32 KB | 32 KB | 512 KB | 512 KB | 256 KB | |
| RPM | 2945 | 720 | 3600 | 5400 | 2941 | 5400 | 5400 | 5394 | 5400 |
| R/W 1.44MB | No | Yes | Yes | No | No | No | No | No | No |
| EIDE | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes |
| Parallel SCSI | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| USB | Yes | Yes | Yes | No | Yes | Yes | No | Yes | Yes |
| PCMCIA | Yes | Yes | | No | Yes | No | No | Yes | No |
| Fast SCSI II | Yes | | | Yes | No | No | Yes | Yes | No |
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Version 1.0.1
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