Commodore 1541-II - Commodore 1541 Disk Drive Specifications; Storage and Performance Specifications; Hardware and Electrical Requirements

SPECIFICATIONS OF THE 1541 DISK DRIVE
STORAGE
Total formatted capacity 174848 bytes per diskette
Maximum Sequential file size 168656 bytes per diskette
Maximum Relative file size 167132 bytes per diskette
Records per file 65535
Files per diskette 144
Tracks per diskette 35
Sectors per track 17-21
Sectors per diskette 683 total
664 free for data
Bytes per sector 256
INTEGRATED CIRCUIT CHIPS USED
1 6502 microprocessor
Used for overall control
2 6522 VIA Versatile Interface Adapters
Used for input and output,
and as internal timers
16116 RAM Random Access Memory
Used as 2K of buffers
1 16KROM Read-Only Memory
Contains a 16K Disk Operating System (DOS)
INTERFACE USED
Commodore serial bus with two 6-pin DIN connectors
Device number selectable from 8-11
Secondary addresses 0-15
PHYSICAL DIMENSIONS
Height
Width
Depth
77 mm
184 mm
256 mm
ELECTRICAL REQUIREMENTS
Three wire-grounded detachable power cable.
Voltage U.S. 100-120 VAC
Export 220-240 VAC
Frequency U.S. 60 HZ
Export 50 HZ
Power used 25 Watts
MEDIA
Any good quality 5lA inch diskette may be used (Commodore diskettes are recom
mended).