This is a hard disk product manual that introduces the model, specifications, performance and other information of the hard disk.
This document describes the functional, mechanical, and interface specifications for the Seagate DiamondMax 21 PATA model drives. Key features include a 7,200-RPM spindle speed, high instantaneous data transfer rates up to 100 Mbytes per second using Ultra DMA mode 5, and Tunneling magnetoresistive (TMR) recording heads with EPRML technology.
| Formatted Capacity | 320, 300, 250, 200, 160, or 80 Gbytes |
|---|---|
| Spindle Speed | 7,200 RPM |
| Max I/O Data-Transfer Rate | 100 Mbytes/sec |
| Cache Buffer | 2 to 16 Mbytes |
| Height (max) | 26.1 mm |
| Weight | 365 to 635 grams |
| Ambient Temperature (operating) | 0° to 60°C |
| Voltage Tolerance (5V) | ± 5% |
The maximum I/O data-transfer rate is 100 Mbytes/sec.
The drives support PIO modes 0–4, Multiword DMA modes 0–2, and Ultra DMA modes 0–5.
The maximum operating altitude is 3,048 m (10,000+ ft.).