Seagate Medalist Pro 4520, Руководство по эксплуатации продукта

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1.2 Physical organization
ST39140A ST36530A ST34520A
Read/write heads 8 6 4
Discs 4 3 2
1.3 Functional specifications
Interface Ultra ATA
Recording method EPRML (16/17 )
External data burst transfer rate:
DMA mode 2 (Mbytes per sec)
PIO mode 4 (Mbytes per sec)
Synchronous DMA mode 2 16.6
16.6
33.3
Internal minimum data-transfer rate
(Mbits per sec)
193.88
Spindle speed (RPM) 7,200
±
0.5%
Cache size (Kbytes) 512
Bytes per sector 512
Areal density (Mbits/sq. in) 1,715.2
Data zones 19
Recording density, max (Kbits) 179.2
Track density (TPI) 9,570
Note. See Figure 8 on page 39 and Figure 9 on page 40 for PIO timing
specifications. See Figure 10 on page 41 and Figure 11 on page
42 for DMA timing specifications.
6 Medalist Pro 9140, 6530 and 4520 Product Manual, Rev. B