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1.2 Physical organization
ST36450A ST36451A
Read/write heads 10 10
Discs 5 5
1.3 Functional specifications
ST36450A ST36451A
Interface ATA-2 Ultra ATA
Recording method PRML (8/9 ) PRML (8/9)
External data burst transfer rate:
PIO mode 4 (Mbytes per sec)
DMA mode 2 (Mbytes per sec)
Synchronous DMA mode 2
16.6
16.6
––
16.6
16.6
33.3
Internal data-transfer rate
(Mbits per sec)
63 to 116 63 to 116
Spindle speed (RPM) 5,397 ± 0.5% 5,397 ± 0.5%
Cache size (Kbytes) 512 512
Logical cylinders 13,328 13,328
Physical cylinders 6,536 6,536
Bytes per sector 512 512
Areal density (Mbytes/sq. in) 928.8 928.8
Data zones 19 19
Recording density, max (BPI) 138,011 138,011
Track density (TPI) 6,730 6,730
Note.
See Figure 8 on page 37 and Figure 9 on page 38 for PIO timing
specifications. See Figure 10 on page 39 and Figure 11 on page
40 for DMA timing specifications
.
6 Medalist Pro 6450/6451 Product Manual, Rev. B