Seagate ST1.2 ST1.2 Series Product Manual - Page 9

Drive specifications

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2.0 Drive specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate ST68022CF, ST68022FX, ST66022CF, ST66022FX, ST64022FX and ST64022CF model drives. 2.1 Power, access times and acoustics The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual. Table 1: Specifications Drive specification Formatted Gbytes Guaranteed sectors Bytes per sector Cache (Mbytes) Recording density, BPI (bits/inch max) Track density. TPI (tracks/inch max) Areal density (Gbits/inch2 max) Spindle speed (RPM) Internal data transfer rate OD (Mbits/sec max) Sustained data transfer rate OD (Mbytes/sec) I/O data-transfer rate (Mbytes/sec max) ATA data-transfer modes supported Height Width Length Weight (typical) Average latency (msec) Power-on to ready (sec typical / max) (without retry) Standby to ready (sec typical / max) (without retry) Startup current 5V (peak) (maximum RMS in 10ms window) Seek power (typical 3.3V) Read/write power (typical 3.3V) Performance idle mode (typical 3.3V) Low power idle mode (typical 3.3V) ST68022CF ST68022FX ST66022CF ST66022FX ST64022CF ST64022FX 8.0 6.0 4.0 15,625,008 11,719,008 7,999,488 1024 2 663,000 110,000 72.9 3,600 130.0 8.8 33.3MB/s (UDMA 2) PIO modes 0-4; Multiword DMA modes 0-2; Ultra DMA modes 0-2 5.0 +/-0.1 mm (0.1968 +/-0.004 inches) 42.80 +/-0.101 mm (1.685 +/-0.004 inches) 36.40 +/-0.15 mm (1.433 +/-0.006 inches) 18.0 grams (0.0397 lb.) 8.3 1.2 / 2.5 1.0 / 2.5 350 mA 226 mA 330 mA 200 mA 90 mA ST1.2 Series Product Manual, Rev. B 3

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ST1.2 Series Product Manual, Rev. B
3
2.0
Drive specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal
power. For convenience, the phrases
the drive
and
this drive
are used throughout this manual to indicate
ST68022CF, ST68022FX, ST66022CF, ST66022FX, ST64022FX and ST64022CF model drives.
2.1
Power, access times and acoustics
The specifications listed in this table are for quick reference. For details on specification measurement or defi-
nition, see the appropriate section of this manual.
Table 1:
Specifications
Drive specification
ST68022CF
ST68022FX
ST66022CF
ST66022FX
ST64022CF
ST64022FX
Formatted Gbytes
8.0
6.0
4.0
Guaranteed sectors
15,625,008
11,719,008
7,999,488
Bytes per sector
1024
Cache (Mbytes)
2
Recording density, BPI (bits/inch max)
663,000
Track density. TPI (tracks/inch max)
110,000
Areal density (Gbits/inch
2
max)
72.9
Spindle speed (RPM)
3,600
Internal data transfer rate OD (Mbits/sec max)
130.0
Sustained data transfer rate OD (Mbytes/sec)
8.8
I/O data-transfer rate (Mbytes/sec max)
33.3MB/s (UDMA 2)
ATA data-transfer modes supported
PIO modes 0–4;
Multiword DMA modes 0-2;
Ultra DMA modes 0–2
Height
5.0 +/-0.1 mm (0.1968 +/-0.004 inches)
Width
42.80 +/-0.101 mm (1.685 +/-0.004 inches)
Length
36.40 +/-0.15 mm (1.433 +/-0.006 inches)
Weight (typical)
18.0 grams (0.0397 lb.)
Average latency (msec)
8.3
Power-on to ready (sec typical / max) (without retry)
1.2 / 2.5
Standby to ready (sec typical / max) (without retry)
1.0 / 2.5
Startup current 5V (peak) (maximum RMS in 10ms window)
350 mA
Seek power (typical 3.3V)
226 mA
Read/write power (typical 3.3V)
330 mA
Performance idle mode (typical 3.3V)
200 mA
Low power idle mode (typical 3.3V)
90 mA