Description
Laser Magnetic Storage LF4500-212LU RapidChanger 12" Optical Disk Jukebox SCSI
The Laser Magnetic Storage International Company (LMSIC) LF4500-212LU is a floor-standing 12-inch optical disk jukebox — marketed as the RapidChanger — designed for high-capacity optical disk storage and automated media handling. It connects to host systems via a SCSI Single-Ended interface and features a front-panel LED display with operator controls for loading, write-protecting, testing, stepping through disks, and entering commands.
Specifications & What's Included
- Manufacturer: Laser Magnetic Storage International Company (LMSIC), Colorado Springs, CO
- Model: LF4500 / LF4500-212LU
- Interface: SCSI Single-Ended
- Rear connectors: Two 50-pin Centronics SCSI ports (SCSI Single-Ended)
- Auxiliary Diagnostic Port: DB9
- Media type: 12-inch optical disk
- Power: 50–60 Hz, 6.0A/3.0A
- AC inlet: IEC C14 with rocker power switch
- Cooling: Dual rear-mounted fans
- Form factor: Floor-standing tower
- Country of manufacture: USA
- Manufacture date: June 1993
- Front panel: LED alphanumeric display; LOAD, WRITE/PROTECT, TEST, STEP, and ENTER buttons with amber indicator LEDs
- Includes: One LM 6000 12-inch optical disk
Applications
The LMSIC LF4500 RapidChanger belongs to the era of 12-inch write-once (WORM) and rewritable optical disk jukeboxes that served as near-line mass storage systems in large enterprise, government, medical imaging, and document archiving environments during the late 1980s and early 1990s. These systems were used where magnetic tape was too slow for retrieval but hard disk capacity was prohibitively expensive at scale — optical disk jukeboxes offered automated access to hundreds of gigabytes across a library of disks. The SCSI interface made them compatible with a wide range of host workstations and servers of the era, including those running UNIX, VMS, and early Windows NT environments. Today, these units are sought by collectors of vintage computing and storage technology, institutions preserving legacy data on 12-inch optical media, and organizations that still maintain systems requiring this specific media format.
This Laser Magnetic Storage LF4500-212LU RapidChanger 12-inch optical disk jukebox is in used condition. The plastic case has a crack at the bottom, as shown in the photos. The front panel LED display is shown reading 'Selftest' in the photos. The unit shows general surface wear and yellowing consistent with its 1993 manufacture date. One LM 6000 12-inch optical disk is included. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
Laser Magnetic Storage International Company |
Model: |
LF4500 |
MPN: |
LF4500-212LU |
SKU: |
23128 |
Type: |
12-Inch Optical Disk Jukebox / Autochanger |
Interface: |
SCSI Single-Ended |
Connector Type: |
50-Pin Centronics (x2) |
Auxiliary Port: |
DB9 Diagnostic Port |
Media Type: |
12-Inch Optical Disk |
Power Requirements: |
50-60Hz, 6.0A/3.0A |
Country/Region of Manufacture: |
United States |
Date of Manufacture: |
June 1993 |
Form Factor: |
Floor-Standing Tower |
Cooling: |
Dual Rear-Mounted Cooling Fans |
Seller Notes: |
Includes one LM 6000 12-inch optical disk. Case cracked at bottom. |
Condition Notes: |
This Laser Magnetic Storage LF4500-212LU RapidChanger optical disk jukebox is in used condition. The case has a crack at the bottom. General surface wear consistent with age. Includes one LM 6000 12-inch optical disk. |
California Prop 65 Warning: |
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov |
