Performance
Specifications |
Average Seek (Read) |
9.5 ms
typical, 15 ms maximum |
Average Seek (Write) |
11.5
ms typical, 17 ms maximum |
Track
to Track Seek |
2.0 ms
typical, 5 ms maximum |
Full
Stroke Seek (Read) |
19 ms
typical, 23 ms maximum |
Index Pulse
Period |
11.11 ms
(nominal) |
Average
Latency |
5.5 ms
(nominal) |
Rotational
Speed |
5400 RPM
(nominal) |
Controller Overhead |
0.3 ms
average |
Transfer Rate (Buffer to
Host) |
66.6
MB/s (Mode 4 Ultra ATA) 33.3 MB/s (Mode 2 Ultra ATA) 16.6
MB/s (Mode 4 PIO) 16.6 MB/s (Mode 2 multi-word DMA) |
Transfer Rate (Buffer to
Disk) |
138.56
Mbits/s minimum 244.0 Mbits/s
maximum |
Interleave |
1:1 |
Buffer
Size |
2
MB |
Error
Rate (Non-Recoverable) |
<1
in 1014 bits read |
Spindle Start Time - From Power-on to Drive
Ready |
6 s
typical, 16 s maximum |
Contact Start/Stop Cycles
(CSS) |
40,000
minimum |