MHD2021AT Fujitsu 2.5″ hard drive with a storage capacity of 2GB and featuring a IDE interface. MHD2021AT Fujitsu Mobile 2.16GB 4000RPM ATA-33 512KB Cache 2.5-inch Hard Drive.
All information about the Fujitsu MHD2021AT hard disk drive: technical parameters, failure symptoms, free asked questions, reviews, HDD repair and data recovery.
Fujitsu MHD2021AT Technical Details:
- Hard Disk Model: FUJITSU MHD2021AT
- Disk Family: –
- Form Factor: 2.5″
- Capacity: 2160 MB (2160 x 1 000 000 bytes)
- Number Of Disks: 2
- Number Of Heads: 3
- Rotational Speed: 4000 RPM
- Rotation Time: 15.00 ms
- Average Rotational Latency: 7.50 ms
- Disk Interface: Ultra-ATA/33
- Buffer-Host Max. Rate: 33.3 MB/seconds
- Buffer Size: 512 KB
- Drive Ready Time (typical): 5 seconds
- Average Seek Time: 13 ms
- Track To Track Seek Time: 2.5 ms
- Full Stroke Seek Time: 23 ms
- Width: 70 mm (2.76 inch)
- Depth: 100 mm (3.94 inch)
- Height: 9.5 mm (0.37 inch)
- Weight: 95 grams (0.21 pounds)
- Acoustic (Idle): 2.5 Bel
- Required Power For Spinup: 1100 mA
- Power Required (Seek): 2.1 W
- Power Required (Idle): 0.8 W
- Power Required (Standby): 0.13 W
- Manufacturer: Fujitsu Computer Products of America, Inc.
Fujitsu MHD2021AT Hard Drives:
- MHD2021AT, PN CA01678-B90100SN, Fujitsu 2GB IDE 2.5″ Hard Drive
Fujitsu MHD2021AT Failure Symptoms:
- Electrical Failure Symptoms:
Drive is powered, but shows no sign of function;
Disk knocking as the motor fails to spin;
Clicking sound as the heads search or initialize; - Mechanical Failure Symptoms:
Clicking, grinding sounds;
Completely quiet due to ” motor freeze”;
“music” tone as the disk is powered up; - Logical Failure Examples:
Accidental deletion, accidental format, file corruption, software bugs, file system corruption, viruses and malware, and many, many more. - Firmware Failure Symptoms:
drive powers up, but is not recognised by the computer;
Drive powers up, but is recognised wrongly, sometimes with nonsensical characters;
Drive freezes during booting up; - Bad Platter Area Symptoms:
Hard disk still accessible but appear to “hang” or “sluggish”;
Constant Cyclic Redundancy (CRC) errors;
Unable to access folders or files which could be seen; - Complex Failure Model
Fujitsu MHD2021AT Data Recovery & HDD Repair:
When it comes to data recovery one of the most common problems Fujitsu MHD2021AT Hard Disk Drive experience is burnt circuit board(PCB). So if you will need to match a replacement PCB, it is important that you note the “Board Number” of your current circuit board in addition to the hard drive’s “Model Number“.
Multiple PCB Number revisions:
CA25330-B61404BA, etc.