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[4] [1] Eventually Tenser became the second character to reach the 13th (and at the time, the bottom level) of the Greyhawk dungeons, when he noticed that Robilar was missing and went in search of him. [citation needed] Gary Gygax "borrowed" Tenser's name for two spells, Tenser's floating disc [1] and Tenser's transformation.
1.18 MB [32] 360 MFM HP 9130K 5 1 ⁄ 4 inch Double 2 35 16 256 286 kB [33] 300 MFM Burroughs MD122 8 inch Double 2 139 44 256 soft 6.26 MB [18] 524 MFM Memorex 650 8 inch single 1 50 8 3,500 b: hard 1.4 Mb [15] 375 FM Memorex 651 single 64 32 1.056 b: 2.2 Mb [17]
The flying height or floating height or head gap is the distance between the disk read/write head on a hard disk drive and the platter. The first commercial hard-disk drive, the IBM 305 RAMAC (1956), used forced air to maintain a 0.002 inch (51 μm) between the head and disk.
The original Bernoulli Box "Alpha-10" is a 10 MB removable disk drive that spins a disk made of PET film at about 1500 rpm, [1] 1 μm above a read-write head.Utilizing Bernoulli's principle, the rotation of the disk pulls the flexible disk media down towards the read/write head, and will continue to do so for as long as the disk is spinning.
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
Distribution Media Format (DMF) is a format for floppy disks that Microsoft used to distribute software. [1] [2] It allowed the disk to contain 1680 KiB of data on a 3 1 ⁄ 2-inch disk, instead of the standard 1440 KiB.
The M2351A "Eagle" (also known as the Eagle-1) was a Winchester-stye hard disk drive manufactured by Fujitsu with an SMD interface that was used on many servers in the mid-1980s. It offered an unformatted capacity of 474.2 MB [ 1 ] in 10 + 1 ⁄ 2 inches (270 mm) (6U) of 19-inch rack space, at a retail price of about US$10,000.
For example, the first commercial hard drive, IBM's RAMAC in 1957, supplied 3.75 MB for $34,500, or $9,200 per megabyte. In 1989, a 40 MB hard drive cost $1200, or $30/MB. And in 2018, 4 Tb drives sold for $75, or 1.9¢/GB, an improvement of 1.5 million since 1989 and 520 million since the RAMAC.