Difference between revisions of "3480/3490"
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{| style="position:relative; margin: 0 0 0.5em 1em; border-collapse: collapse; background:white; clear:right; text-align:center;" border="1" cellpadding="3" | {| style="position:relative; margin: 0 0 0.5em 1em; border-collapse: collapse; background:white; clear:right; text-align:center;" border="1" cellpadding="3" | ||
| − | ! Drive !! 3480<br>media !! 3590<br>media !! 3590E<br>media !! 3590EL<br>media | + | ! Drive !! 3480<br>media !! 3480-XL<br>media !! 3590<br>media !! 3590E<br>media !! 3590EL<br>media |
|- | |- | ||
| − | | style="text-align:left;" | 3480 || 210MB || ''(400MB)'' || n/a || n/a | + | | style="text-align:left;" | 3480 || 210MB || 250MB || ''(400MB)'' || n/a || n/a |
|- | |- | ||
| − | | style="text-align:left;" | 3490 || 210MB || ''( | + | | style="text-align:left;" | 3490 || 210MB || 250MB || ''(4??MB)'' || n/a || n/a |
|- | |- | ||
| − | | style="text-align:left;" | 3490E || n/a || n/a || 800MB<br>''(1600MB)'' || 910MB<br>''(???MB)'' | + | | style="text-align:left;" | 3490E || n/a || n/a || n/a || 800MB<br>''(1600MB)'' || 910MB<br>''(???MB)'' |
|} | |} | ||
: <small>Note: ''(##MB)'' denotes capacity with compression.</small> | : <small>Note: ''(##MB)'' denotes capacity with compression.</small> | ||
Revision as of 18:10, 1 November 2006
3480/3490 is the machine type of a tape backup system based on the 1/2-inch cartridge which uses a linear serpentine recording technique.
Tape Drive
There a various models of 3480s/3490s: standalone single drive, rackmounted with autoloader, etc.
The alpha character following the dash indicates what kind of read/write drive is used.
- 3480
- 18 tracks
- 3490
- 18 tracks
- 3490-E
- 36 tracks
Media
There are three kinds of 3480/3490 media. Unlike 3590 media, these are not distinguishable by the color of the plastic insert on the cartridge, nor the single letter designation near the barcode label.
- 3480/3490 media (aka 3480-OL "Original Length")
- unknown color plastic bottom
- 575 feet
- 3480-XL media (aka "Extended Length")
- unknown color plastic bottom
- 669 feet
- 3490E media
- putty color plastic bottom
- 1100 feet
- 3490EL media manufactured by Imation
- unknown color plastic bottom
- 1250 feet
Capacity
The capacity of a given 3480/3490 cartridge depends on the drive, the media, and compression.
It varies from 210MB to 1600MB per cartridge.
| Drive | 3480 media |
3480-XL media |
3590 media |
3590E media |
3590EL media |
|---|---|---|---|---|---|
| 3480 | 210MB | 250MB | (400MB) | n/a | n/a |
| 3490 | 210MB | 250MB | (4??MB) | n/a | n/a |
| 3490E | n/a | n/a | n/a | 800MB (1600MB) |
910MB (???MB) |
- Note: (##MB) denotes capacity with compression.
See also
External links
- Disc Interchange Service Company links
- IBM Archives links
- Tape Media services of the Standford SCS from October 16, 1996
- wikipedia:Magnetic tape
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