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Software Vault - The Gold Collection (American Databankers) (1993).ISO
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7213A.TXT
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1993-03-11
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170 lines
===============================================================================
MAXTOR 7213A IDE DRIVE
===============================================================================
KEY FEATURES:
* 15ms average seek * 64K on-board cache
* Low power consumption * Zone density recording
* 1:1 interleave * Dual drive master/slave support
* Rotary voice coil * Automatic actuator lock
* Single-sided surface mount PCBA
SPECIFICATIONS:
Formatted: ................................. 212,787,200 Bytes
Embedded Controller: ....................... AT
Actuator type: ............................. Voice Coil
Number of Disks: ........................... 2
Data Surfaces: ............................. 4
Data Heads: ................................ 4
Servo: ..................................... Embedded
Tracks per surface: ........................ 1,698
Track Density (average): ................... 1,973 tpi
Bytes per Block: ........................... 512
Sectors per track: ......................... 42 physical
PERFORMANCE (Typical):
Seek times* (ms)
Track to track: ....................... 3
Average: .............................. 15 **
Maximum: .............................. 28.2
Average latency (ms) ....................... 8.45
Rotation speed ............................. 3,551 RPM
Controller overhead ........................ 1 ms
Data transfer rate (Mbytes per sec)
To/from media ......................... 2.83
To/from buffer (AT) ................... 9.0
To/from interface ..................... 7.5
Start time / power up (0-3,551 RPM)
Typical ............................... ≤7 sec
Stop time / power down
Typical ............................... ≤3 sec
Start/stop cycles .......................... 20,000 typical
Interleave: ................................ 1:1
Buffer Size: ............................... 64K
Interface: ................................. AT
Recording Method: .......................... 1,7 RLL
Recording Density (Kbpi) ................... 42.7 maximum
Flux Density (Kfci) ........................ 32.0 maximum
Power Requirments (Typical):
Mode +12VDC ±8% +5VDC ±5% Power
R/W 145mA 340mA 3.7 W
Idle 140mA 330mA 3.5 W
Physical:
Height: 1.00" (2.54 cm)
Length: 5.75" (14.61 cm)
Width: 4.00" (10.16 cm)
Weight: 1.2 lbs. (.57 kg)
Environmental:
Temperature
Operating .............................. 5°C to 50°C
Non-operating .......................... -40°C to 65°C
Thermal gradient ....................... 20°C per hour max
Humidity ***
Operating .............................. 5% to 95% non-condensing
Non-operating .......................... 5% to 95% non-condensing
Maximum wet bulb ....................... 20° C
Altitude (relitive to sea level)
Operating .............................. -200 to 10,000 feet
Non-operating .......................... 40,000 feet max
Reliability and Maintenance:
MTBF ....................................... >150,000 hours
(POH, predicted at 35 degrees C)
Preventative Maintenance ................... None
Component design life ...................... 5 years (minimum)
Data reliability
Hard read errors ...................... <10 per 10 to the 13th bits read
Shock & Vibration (typical)
Shock measured at half-sine pulse. Vibration
measured at swept sine, 1 octave per minute
Operating shock ........................ 70 Gs, 11ms
Non-operating shock .................... 10 Gs, 11ms (without
non-recoverable errors)
Non-operating Vibration
5-20 Hz ............................... .10" (double amplitude)
20 - 300 Hz ........................... 2 Gs peak amplitude
Operating Vibration
5-20 Hz ............................... .05" (double amplitude)
20 - 300 Hz ........................... 1 Gs peak amplitude
Acoustic Noise
35 dBA at 1 meter (typical) in idle (spinning) on track mode.
(sound power -4.5 bels average)
* At nominal DC input volages
** The average of 10,000 random seek times (measured on independent
test equipment) consitutes the average seek time specification.
*** Operating and non-operating specs meet MIL-STD-810E.
Method 507.3 Table 507.3-I High humidity diurnal catagory.
Natural, High Humidity, Cyclic (Cycle 3)
==============================================================================
7213A JUMPER DESIGNATION
│J23│J22│J20│J16│
┌─────────────────────────────────────┼───┼───┼───┼───┤
│ SYNC Spindle Control │ │ │ │ │
│ Sync Spindle Disabled* │ O │ │ │ │
│ Sync Spindle Enabled │ J │ │ │ │
│ Sync Slave* │ │ O │ │ │
│ Sync Master │ │ J │ │ │
├─────────────────────────────────────┼───┼───┼───┼───┤
│ Master/Slave │ │ │ │ │
│ Only drive in single drive system* │ │ │ J │ │
│ Master in dual drive system │ │ │ J │ │
│ Slave in dual drive system │ │ │ O │ │
├─────────────────────────────────────┼───┼───┼───┼───┤
│ I/O Channel Ready │ │ │ │ │
│ Enabled │ │ │ │ J │
│ Disabled* │ │ │ │ O │
└─────────────────────────────────────┴───┴───┴───┴───┘
J=Jumpered O=Open *=Default
┌─────┐ ┌──────────────────┐ ┌──┐ ┌─────────────┐ ┌──┐ ┌─────────┐
│ └──┘ └─────┘ └──┘ └─────┘ └──┘ ├┐
│ ┌────┐ ┌─┴┴┐
│ ┼ ╓──────────────────────────────────────────>│::::│ ┤ │
│ ╔═══════╩════════╗ └────┘ ┤ │
│ ║ J24 J22 ║ ┼ ┌──┐ ┤ │
│ ║ ┌───┼───┼─┐ ║ │,,│ ┤ │
│ ║ │ * * * * │ ║ ╓────────────────────────────>│::│ ┤ │
│ ║ │ * * * * │ ║ ╔═══════╩═══════╗ │::│ ┤J1 │
│ ║ └─┼───┼───┘ ║ ║ ┌─────┐ ║ └──┘ ┤ │
│ ║ J25 J23 ║ ║ J20┼ ▀▀▀ │ ║ ┤ │
│ ╚════════════════╝ ║ │ * * ┼J19 ║ ┤ │
│ ║ J18┼ * * │ ║ ┼ ┤ │
│ ║ │ * * ┼J17 ║ ┤ │
│ ║ J16┼ * * │ ║ ┤ │
│ ┼ ║ └─────┘ ║ └──┬┘
│ ╚═══════════════╝ ┌───┴┐
│ ┼ ╡ │
│ ╡ │
│ ╡ J3 │
│ ┌──┐ ┌─────┐ ┌──┐ ┌────┐ ┌──┐ ╡ │
└────┘ └─────────────────┘ └───┘ └────────────────┘ └──┘ └─────┴────┘
CMOS Configuration:
Cyls Hds Write Landing Sec/Trk
PreComp Zone
---------------------------------
683 16 0 0 38
Yields: 212.8 Million Bytes (Approx. 202 Mega-Bytes)
7213A and 7213S are trademarks of Maxtor Corporation.
AT is a registerd trademark of IBM Corporation.
Specifications subject to change without notice.
Copyright 1992 Maxtor Corporation.
==============================================================================