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.Īs for the floppy, there is no comparison. 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. external Quantum hard drive, writes 1367 KB/s, reads 1367 KB/s.internal Quantum hard drive, writes 1497 KB/s, reads 1850 KB/s.SCSI Zip disk, writes 1084 KB/s, reads 1123 KB/s (50% higher than SCSI on PC).floppy disk, writes 61.6 KB/s, reads 78.6 KB/s.Parallel port Zip 100: 0.2 MB/s across the boardĬam Giesbrecht ran benchmark tests on his Mac Quadra 605, also comparing HD floppy and hard drive performance.USB Zip 100, bus powered: 0.7 MB/s avg., 0.8 MB/s max.Here are the average and maximum transfer rates by drive mechanism: In 2013, Lui Gough tested several different types of Zip drives on his AMD Sempton 3300+ powered PC running Windows XP SP3. Avoid using SCSI ID 5 if at all possible. 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. The SCSI Zip drive allows you to choose one of two possible SCSI IDs, 5 or 6. Zip disks came preformatted for Macs or PCs, and either could be reformatted for the other platform using Iomega Tools. Zip was also a great way to send files out to a service bureau. A few Zip disks could back up most hard drives in 1995 one Zip disk could hold a bootable system plus diagnostics. With their relatively high capacity and low price (initially $20 per cartridge), Zip took off, selling nearly one million in 1995. 3M acquired the technology from Iomega and brought it to market.) (Interestingly, SuperDisk began as an Iomega project that they ditched in favor of Zip. 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. Zip uses a cartridge a little larger and somewhat thicker than a 3.5″ floppy disk. Iomega brought its Zip drive and Zip disks to market in March 1995 with 100 MB capacity. The market needed a removable media drive with more capacity than floppies but at a much better price than SyQuest. The same year IBM introduced its DSED (Double Sided Extended Density) 2.88 MB floppy drive and disks, which never caught on. High-density (HD) 3.5″ floppies arrived in 1987, and both PCs and Macs used them to store 1.4 MB of information. On Macs, the same disks stored 400 KB and 800 KB respectively. In the PC world, single-sided 3.5″ floppies held 360 KB of data, double-sided disks 720 KB. Beyond Floppy DisksĪlthough 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. Bernoulli drives were noted for their reliability, and they came in many different capacities. Unfortunately, the original Bernoulli cartridge system used huge media, measuring about 8″ x 11″ (210 x 275 mm).īernoulli Box II used a smaller cartridge along with a drive that fit in a standard 5-1/4″ bay. SyQuest had established itself with a 44 MB 5-1/4″ cartridge drive system using the same 130mm platters found in hard drives.īy 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. Iomega had made a name for itself with its Bernoulli Box, a lower cost alternative to SyQuest drives with their hard disk platters. And then came removable media drives such as SyQuest, Bernoulli, and – perhaps best know of all – Zip. Then came floppy drives, followed by hard drives. In the beginning, personal computers used cassette tape drives.
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