Iomega Zip 100 Parallel Port Drivers For Mac

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Iomega zip drive 100MB parrallel input. Tags: Iomega / Z100p2. Harry Crijns June 9, 2010 at 07:22:01. You can not use zip 100 parallel on windows 7. If you have a parallel port you can try a few idea. One is to make a boot floppy or cd in dos with the correct config.sys and autoexec.bat and the files for the zip.

The Zip drive is a removable floppy disk storage system that was introduced by Iomega in late 1994. Considered medium-to-high-capacity at the time of its release, Zip disks were originally launched with capacities of 100 MB, then 250 MB, and then 750 MB.

The format became the most popular of the superfloppy products which filled a niche in the late 1990s portable storage market. However, it was never popular enough to replace the ​3¹⁄₂-inch floppy disk. The final versions of the disk reached 750 MB, the capacity available on rewritable CDs, which was far surpassed by the later rewritable DVDs. USB flash drives ultimately proved to be the most popular rewritable storage medium among the general public due to the near-ubiquity of USB ports on personal computers and soon after because of the far greater storage sizes offered. Zip drives fell out of favor for mass portable storage during the early 2000s. The Zip brand later covered internal and external CD writers known as Zip-650 or Zip-CD, which have no relation to the Zip drive.

Overview[edit]

The Zip drive is a superfloppy disk drive that has all of the ​3¹⁄₂-inch floppy drive's convenience, but with much greater capacity options and with performance that is much improved over a standard floppy drive. However, Zip disk housings are much thicker than those of floppy disks.^[1]

In the Zip drive, the heads fly in a manner similar to a hard disk drive. A linear actuator uses the voice coil actuation technology related to modern hard disk drives. The Zip disk uses smaller media (about the size of a 9 cm (​3¹⁄₂-inch) microfloppy, but more ruggedised, rather than the Compact Disc-sized Bernoulli media), and a simplified drive design that reduced its overall cost.

The original Zip drive has a maximum data transfer rate of about 1.4 megabyte/second (comparable to 8× CD-R; although some connection methods are slower, down to approximately 50 kB/second for maximum-compatibility parallel 'nibble' mode) and a seek time of 28 milliseconds on average, compared to a standard 1.44 MB floppy's effective ~16 kB/sec and ~200 ms average seek time. Typical desktop hard disk drives from mid-to-late 1990s revolve at 5,400 rpm and have transfer rates from 3 MB/s to 10 MB/s or more, and average seek times from 20 ms to 14 ms or less.

Much like hard drives, and floppies themselves, the capacity stated for Zip discs is purely nominal, not accounting for any formatting or filestructure overheads, and is stated using metric, rather than binary quantifiers. For example, the typical user file capacity of an MS-DOS formatted Zip100 is actually around 95.4 MiB, or just over 100,000,000 bytes. This is a slightly lower proportion than the 1.39 MiB (1,457,664 bytes) available on a '1.44 MB' ​3¹⁄₂-inch floppy diskette (95.4% vs 96.5%), though it is significantly better than the relationship between that useful capacity and the '2 MB' claimed by an unformatted DSHD.

Early-generation Zip drives were in direct competition with the SuperDisk or LS-120 drives, which hold 20% more data and can also read standard ​3¹⁄₂-inch 1.44 MB diskettes, but they have a lower (Zip 100 MB external drive with both SCSI and IEEE 1284 connections; SCSI ID limited to ID 5 and 6).

Parallel port external Zip drives are actually SCSI drives with an integrated Parallel-to-SCSI controller, meaning a true SCSI bus implementation but without the electrical buffering circuits necessary for connecting other external devices. Early Zip 100 drives use an AIC 7110 SCSI controller and later parallel drives (Zip Plus and Zip 250) used what was known as Iomega MatchMaker.^[5][6] The drives are identified by the operating system as 'IMG VP0' and 'IMG VP1' respectively.

Early external SCSI-based Zip drives were packaged with an included SCSI adapter known as Zip Zoom. The Zip Zoom is a relabeled ISA Adaptec SCSI host controller. Also, originally sold separately was a PCMCIA-to-SCSI adapter for laptop compatibility, also a relabeled Adaptec.

Interface availability:

Driver support:

• DOS (requires a minimum of a 80186 or NEC V20/V30 processor)
• Microsoft Windows family (Parallel drives not supported on Windows 7 and above)
• Some Linux / BSD etc. (not universal)
• Oracle Solaris 8, 9, 10, 11
• IBM OS/2
• Macintosh System 6.x,^{(See NB 1)} 7.1–7.5, and Mac OS 7.6–9.2
• RISC OS Requires !zip drivers.
• AmigaOS 3.5 or higher
• IRIX 6.4 or higher (SCSI only)

NB 1: Requires a driver older than 5.x.^[7]

Compatibility[edit]

Higher-capacity Zip disks must be used in a drive with at least the same capacity ability. Higher-capacity drives can read lower-capacity media. The 250 MB drive writes much more slowly to 100 MB disks than the 100 MB drive, and the Iomega software is unable to perform a 'long' (thorough) format on a 100 MB disk. (They can be formatted in Windows as normal; the advantage of the Iomega software is that the long format can format the 100MB disks with a slightly higher capacity. 250 MB disks format to the same size either way.) The 750 MB drive has read-only support for 100 MB disks.

The retroreflective spot differs between the 100 MB disk and the 250 MB such that if the larger disk is inserted in a smaller-capacity drive, the disk is immediately ejected again without any attempt being made to access the disk. The 750 MB disk has no reflective spot.

Sales, problems, and licensing[edit]

Zip drives initially sold well after their introduction in 1994, owing to their low price and high (for the time) capacity. The drive was initially sold for just under US$200 with one cartridge included, and additional 100 MB cartridges for US$20. At this time hard disks typically had a capacity of 500 MB and cost around US$200, and so backing up with Zip disks was very economical for home users—some computer suppliers such as Dell, Gateway and Apple Inc. included internal Zip drives in their machines. Zip drives also made significant inroads in the graphic arts market, as a cheaper alternative to the Syquest cartridge hard disk system. The price of additional cartridges swiftly dropped further over the next few years, as more companies began supplying them. Eventually, the suppliers included Fujifilm, Verbatim, Toshiba and Maxell, Epson and NEC. NEC also produced a licensed 100 MB drive model with its brand name.

Sales of Zip drives and disks declined steadily from 1999 to 2003.^[8] Zip disks had a relatively high cost per megabyte compared to the falling costs of then-new CD-R and CD-RW discs.

The growth of hard disk drives to multi-gigabyte capacity made backing up with Zip disks less economical. Furthermore, the advent of inexpensive recordable CD and DVD drives for computers, followed by USB flash drives, pushed the Zip drive out of the mainstream market. Nevertheless, during their prime, Zip disks greatly eased the exchange of files that were too big to fit into a standard ​3¹⁄₂-inch floppy or an email attachment, and there was no high-speed connection to transfer the file to the recipient. However, the advantages of magnetic media over optical media and flash memory, in terms of long-term file storage stability and high erase/rewrite cycles, still affords them a niche in the, accusing Iomega of violation of the Delaware Consumer Fraud Act.^[9]

In 2006, PC World rated the Zip drive as the 15th worst technology product of all time.^[10] Nonetheless, in 2007, PC World rated the Zip drive as the 23rd best technology product of all time^[11] despite its known problems.

Legacy[edit]

Zip drives are still used today by retro-computing enthusiasts as a means to transfer large amounts (compared to the retro hardware) of data between modern and older computer systems. The Commodore-Amiga, Atari ST, Apple II, and 'old world'Macintosh communities often use drives with the SCSI interface prevalent on those platforms. They have also found a small niche in the music production community, as SCSI-compatible Zip drives can be used with vintage samplers and keyboards of the 1990s.

Zip disks are still in use in aviation. For example, Zip disks are used by Jeppesen (a Boeing Company) for navigation database updates and avionics companies such as Universal Avionics supply TAWS, UniLink and Performance databases, which remain available via Zip Disk, for uploading into an FMS (Flight Management System) via SSDTU (Solid State Data Transfer Unit). 'Updates are available for download from Universal Avionics web site or are provided on ​3¹⁄₂-inch disks, 100 MB Zip Disks (SCN 603-604 and 703-704) or 512 MB USB Flash drives.'^[12][13]

ZipCD[edit]

Iomega also produced a line of internal and external recordable CD drives under the Zip brand in the late 1990s, called the ZipCD 650. It used regular CD-R media and had no format relation to the magnetic Zip drive. The external models were installed in a Zip-drive-style case, and used standard USB 1.1 connections.

Iomega used the DirectCD software from Adaptec to allow UDF drive-letter access to CD-R or CD-RW media.

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The company released an open standard CD-R drive and CD-RW media under the same ZipCD name

Early models of ZipCD drives were relabeled Philips drives, which were also so unreliable that a class action lawsuit succeeded.^[14] Later models were sourced from Plextor.

The ZipCD 650 is able to record onto 700 MB CDs but can only burn data up to 650 MB. There is third-party firmware that forces the ZipCD 650 to be able to write data CDs up to 700 MB but makes the drive unstable.

See also[edit]

References[edit]

1. ^Lui, Gough (2012-11-02). 'Tech Flashback: iomega ZIP 100 and the Superdisk LS-120'. Retrieved 2013-06-24.
2. ^Lui, Gough (2013-05-02). 'Tech Flashback: iomega ZIP 100 vs 3M/Imation Superdisk LS-120 Showdown'. goughlui.com/?p=3173. Retrieved 2013-06-24.
3. ^Radman et al., 'Flexible-Disk Cartridge Drives Combine Reliable Operation, Removability,' Computer Technology Review, Summer 1984, p. 77-81
4. ^'Iomega Zip 100'. Sound On Sound. December 1995. Archived from the original on 6 June 2015.
5. ^Zip Drive Mini - HOWTO
6. ^about the Zip drive
7. ^'Using a zip Zip drive on a Mac Plus'. Retrieved 2009-08-11.
8. ^Annual reports from corporate website:
   • 'Iomega Corporation (2000). 2000 Annual Report to Shareholders'(PDF). Archived from the original on 2004-01-19.CS1 maint: BOT: original-url status unknown (link)(2.74 MB)
   • 'Iomega Corporation (2001). 2001 Annual Report to Shareholders'(PDF). Archived from the original on 2003-05-10.CS1 maint: BOT: original-url status unknown (link)(439 KB)
   • 'Iomega Corporation (2002). 2002 Annual Report to Shareholders'(PDF).(875 KB)
   • 'Iomega Corporation (2003). 2003 Annual Report to Shareholders'(PDF).(764 KB)
     
9. ^Products liability: recreation and .. - Google Books. Books.google.com. 1985-09-14. Retrieved 2011-09-12.
10. ^PC World: The 25 Worst Tech Products of All Time, 2006-05-26
11. ^PC World: The 50 Best Tech Products of All Time, 2007-04-02
12. ^'Jeppesen Services Update Manager - Quick Start Guide'(PDF). Jeppesen. Archived from the original(PDF) on 2012-12-24. Retrieved 2017-06-02.
13. ^'Downloading Navigation Data from UniNet'(PDF). Universal Avionics. Retrieved 2017-06-02.
14. ^Philips and Hewlett-Packard CD Recorder Class Action

External links[edit]

• Media related to Zip drive at Wikimedia Commons

In the beginning, personal computers used cassette tape drives. Then came floppy drives, followed by hard drives. And then came removable media drives such as SyQuest, Bernoulli, and – perhaps best know of all – Zip.

Before Zip

Iomega had made a name for itself with its Bernoulli Box, a lower cost alternative to SyQuest drives with their hard disk platters. SyQuest had established itself with a 44 MB 5-1/4″ cartridge drive system using the same 130mm platters found in hard drives.

By contrast, Bernoulli cartridges had a floppy disk spinning at 3,000 rpm, using the Bernoulli Principle to pull the disk’s surface toward the read-write head. Unfortunately, the original Bernoulli cartridge system used huge media, measuring about 8″ x 11″ (210 x 275 mm).

Bernoulli Box II used a smaller cartridge along with a drive that fit in a standard 5-1/4″ bay. Bernoulli drives were noted for their reliability, and they came in many different capacities.

Beyond Floppy Disks

Although Apple wasn’t the first to use 3.5″ floppy disks, it was the first to standardize on them instead of the older, larger 5-1/4″ floppies. In the PC world, single-sided 3.5″ floppies held 360 KB of data, double-sided disks 720 KB. On Macs, the same disks stored 400 KB and 800 KB respectively.

High-density (HD) 3.5″ floppies arrived in 1987, and both PCs and Macs used them to store 1.4 MB of information. The same year IBM introduced its DSED (Double Sided Extended Density) 2.88 MB floppy drive and disks, which never caught on. The market needed a removable media drive with more capacity than floppies but at a much better price than SyQuest.

The Zip 100

Iomega brought its Zip drive and Zip disks to market in March 1995 with 100 MB capacity. Zip uses a cartridge a little larger and somewhat thicker than a 3.5″ floppy disk. It was also far faster than a floppy drive, which is part of what kept the competing LS-120 SuperDisk from catching on – it had higher capacity than Zip but was far, far slower. (Interestingly, SuperDisk began as an Iomega project that they ditched in favor of Zip. 3M acquired the technology from Iomega and brought it to market.)

With their relatively high capacity and low price (initially $20 per cartridge), Zip took off, selling nearly one million in 1995. A few Zip disks could back up most hard drives in 1995; one Zip disk could hold a bootable system plus diagnostics. Zip was also a great way to send files out to a service bureau.

Zip disks came preformatted for Macs or PCs, and either could be reformatted for the other platform using Iomega Tools.

A Word of Warning

The SCSI Zip drive allows you to choose one of two possible SCSI IDs, 5 or 6. SCSI ID 6 is rock solid, but SCSI ID 5 can have issues when other devices on the SCSI bus are moving a lot of data. Avoid using SCSI ID 5 if at all possible.

How Fast (or Slow) Is It?

In 2013, Lui Gough tested several different types of Zip drives on his AMD Sempton 3300+ powered PC running Windows XP SP3. Here are the average and maximum transfer rates by drive mechanism:

• ATAPI Zip 100: 1.0 MB/s avg., 1.4 Mb/s max
• USB Zip 100, bus powered: 0.7 MB/s avg., 0.8 MB/s max
• SCSI Zip 100: 0.6 MB/s avg., 0.7 MB/s max
• Parallel port Zip 100: 0.2 MB/s across the board

Cam Giesbrecht ran benchmark tests on his Mac Quadra 605, also comparing HD floppy and hard drive performance. His results:

• floppy disk, writes @ 61.6 KB/s, reads @ 78.6 KB/s
• SCSI Zip disk, writes @ 1084 KB/s, reads @ 1123 KB/s (50% higher than SCSI on PC)
• internal Quantum hard drive, writes @ 1497 KB/s, reads @ 1850 KB/s
• external Quantum hard drive, writes @ 1367 KB/s, reads @ 1367 KB/s

The SCSI Zip drive performs better on this Mac and the one tested by Lui Gough on his Windows PC, in part because Macs were optimized for SCSI drives in those days while PCs were optimized for ATA drives. The Zip shows itself to be a decent backup medium, writing data at 70-80% of the write speed of the two tested hard drives.

As for the floppy, there is no comparison. Zip stores 70x as much data and runs about 15x as fast.

Finally, the Iomega Zip FAQ benchmarks Zip 100, SyQuest 44 (an older technology), and the hard drive in a 1989 Mac IIci, obtaining these results:

• hard drive: 119 KB/s random reads, 1099 KB/s 256K sequential reads, 71.1 KB/s random writes, 1216 KB/s 256K sequential writes
• Zip 100: 38.5 KB/s random reads, 1186 KB/s 256K sequential reads, 38.9 KB/s random writes, 1189 KB/s 256K sequential writes
• SyQuest 44: 37.3 KB/s random reads, 579 KB/s 256K sequential reads, 36.1 KB/s random writes, 579 KB/s 256K sequential writes

This seems to be comparing a 1989 vintage hard drive with two removable media options. Even an older hard drive outperforms Zip 100 and SyQuest 44 for random reads and writes, but the big surprise is that for 256 KB sequential reads, Zip beats the hard drive, while it takes a close second for 256 KB sequential writes, just behind the older hard drive.

Overall Zip had decent performance, especially compared to older hard drives. With contemporary mid-1990s hard drives, Zip would fall further behind yet still acquit itself nicely.

Lots of Options

Supported Platforms

As long as Iomega kept things simple, Zip continued to grow and grow. It supported most operating system of that era:

• MS-DOS and Microsoft Windows, although Windows 7 and later will not work with parallel port drives
• Mac System 6 through Mac OS 9.2.2 plus OS X (System 6 requires an Iomega Drive version prior to 5.0, as does the Mac Plus)
• IBM OS/2
• AmigaOS 3.5 and later
• Oracle Solaris 8-11
• some Linux and BSD versions, although Zip is not universally supported
• some users have made SCSI Zip drives work with Apple II and Atari ST computers

Later versions of Zip supported 250 MB (launched December 1998) and 750 MB (August 2002) of storage. Zip drive sales began their decline in 1999 as CD-R and DVD-R grew in popularity, followed by the explosion in USB thumb drives.

Driver Downloads

• IomegaWare 4.0.2 for Windows 98, Me, 2000, and XP. Not compatible with Windows 95 or NT.
• Iomega Zip 100MB USB Drivers Download, Windows XP, Vista, 7, 8, and 10.
• Iomega Zip 100MB Parallel Port Drivers Download, Windows XP, Vista, 7, 8, and 10.
• Iomega Zip 100MB ATAPI Drivers Download, Windows XP, Vista, 7, 8, and 10.
• Iomega Zip 100MB SCSI Drivers Download, Windows XP, Vista, 7, 8, and 10.
• IomegaWare 4.0.2 for Mac OS 8.6 or later, OS X 10.1-10.2.1. Drivers are not needed with OS X 10.4, 10.5, and 10.6.
• Zip driver 4.2 for Mac Plus running System 6

Interfaces

Zip drives were available in numerous interfaces, including:

• IDE, an early ATA standard that does not support ATAPI commands
• ATAPI, a later version of ATA specifically for removable media; Zip 100, 250, and 750
• SCSI, internal and external, found on almost all Macs of the era, Zip 100 and Zip 250
• IEEE 1284 for parallel ports with passthrough for your printer, Zip 100 and Zip 250
• Zip Plus, an external drive that works with SCSI or parallel port, Zip 100 only

There were also three later implementations:

• USB 1.1, Zip 100 and Zip 250
• FireWire/IEEE 1394, Zip 250 and Zip 750
• USB 2.0, Zip 750

Incompatibilities

With each additional Zip format, Iomega further muddied the waters. It was simple when every Zip disk stored 100 MB and every Zip drive could read and write to it.

Zip 250 drives can read and write both Zip 100 and Zip 250 disks, although they write to Zip 100 disks very slowly. Zip 100 drives automatically eject Zip 250 disks as unreadable.

Zip 750 drives can read Zip 100 disks but not write to them at all. It is fully compatible with Zip 250 disks. Zip 100 and Zip 250 drives will eject a Zip 750 drive as unreadable.

Interestingly, Zip was listed as one of the 25 worst technology products (#15) by PCWorld in 2006 – and one of the 50 best (#23) in 2007!

Iomega was acquired by EMC in June 2008, making it part of the world’s largest storage company. EMC and Lenovo partnered in 2013 to create LenovoEMC, which took over Iomega’s business.

* No, it isn’t a typo. Compleat is a legitimate, albeit archaic, spelling for complete. As Kenneth G. Wilson says in The Columbia Guide to Standard American English: “This obsolete spelling of the adjective complete suggests an air of antiquity that seems to please some of those who name things….” We find that fitting for Low End Mac’s Compleat Guides to “obsolete” hardware and software.

Further Reading

• Zip Drive, Wikipedia
• The Iomega Zip Drive FAQ, 1995
• Iomega Zip Drive 100 Parallel, Centre for Computing History
• Our Favorite “Forgotten Tech” – from BeOS to Zip Drives, Ars Technica, 2012
• Using a Zip Drive on a Mac Plus, Michael A. Peters, Jags House, 1998
• Mac Plus and Zip Drives Revisited, Vintage Mac World, 2007

Keywords: #zipdrive #zipdisk #iomegazip

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