The Macintosh Portable Internal 40SC Hard Disk provides fast, reliable
access to high-performance storage and large-capacity applications.
One-inch high, weighing 1.1 pounds, the Macintosh Internal Hard Disk 40SC
has been designed especially for use with the Macintosh Portable. It
draws little power from system batteries and virtually eliminates disk
swapping, because it can accomodate multiple applications, complex
documents, and large databases in one convenient location.
SPECIFICATIONS
Mechanism Size : 3.5 Inches
CAPACITY 40MB
- Data Capacity: 40MB Formatted
- Data surfaces: 2
- Heads/Surfaces: 1
- Block Size: 512 bytes
- Total disk blocks: 82,080
- Blocks/Tracks: 40
CHARACTERISTICS
- Average Seek Time : 25 milliseconds
- Rotational Speed: 3,557 rpm
- Startup Time: 20 seconds
- Spin-down Time: 10 seconds
- Automatically retracks to the inner stop (non-data area) upon power down
to protect data area during travel and startup.
ENVIRONMENTAL
- Operating Temperature: 50 degrees F to 104 degrees F (10 degrees C to 40
degreesC)
- Non-Operating Temperature: 32 degrees F to 122 degrees F (0 degrees C to
50 degrees C)
- Humidity: 20% to 80% relative humidity non condensing
Interface : internal 34-pin connector