3480/3490
From MidrangeWiki
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.
Contents
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.
Manuals
Softcopy: 3490E Introduction and Planning Guide
- Title: 3490E Introduction and Planning Guide
- Document Number: GA32-0297-01
- Build Date: 07/12/94 20:41:46 Build Version: 1.2
- Document Path: /home/webapps/epubs/htdocs/book/a25i1001.boo
- http://publibfp.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/a25i1001/CCONTENTS
Softcopy: 3490E User's Guide
- Title: 3490E User's Guide
- Document Number: GA32-0298-01
- Build Date: 12/13/94 07:24:14 Build Version: 1.2
- Document Path: /home/webapps/epubs/htdocs/book/a25u1001.boo
- http://publibfp.boulder.ibm.com/cgi-bin/bookmgr/BOOKS/a25u1001/CCONTENTS
3490 Reference Codes
Other Manuals
See also
External links
- Tape Drive Model Characteristics table from IBM Reference# 8625688700566393
- Cannot Read FMT3480 Tape Volume Created on 3490E Tape Drive from IBM Reference# 86256FDE006D05AF
- IBM Archives links
- Imation links
- Imation 3480, 3490E & 3490EL Cartridges
- (PDF) of Imation 3480 & 3490E Half-Inch Tape Cartridge Brochure
- (PDF) of Imation RoyalGuard 3490EL product specification
- (PDF) of IBM TotalStorage data sheet for media and drives (G325-3369-20) from IBM
- wikipedia:Magnetic tape
- Identifying computer tapes with images from Disc Interchange Service Company
- Tape Media services of the Standford SCS from October 16, 1996
