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LXT-340A.TXT
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1993-03-11
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============================================================================
Maxtor LXT-340A ATA IDE Drive
============================================================================
Key features:
* 12 read, 13 write msec average seek time
* Advanced buffer implementation (read ahead cache)
* Proven AT compatability
* Auto parking
* No Pre-Comp required
SPECIFICATIONS:
Performance;
Capacity, typical format
* Per drive (Mbytes)...........340.5
* Per sector (bytes)...........512
* Spare capacity (Mbytes)......5.5
AT Bus Transfer(Mbytes)........6.0
Disk Transfer (Mbits/sec)......13.27
Seek time (msec), typical
* Read.........................12
* Write........................13
* Track to Track................3
* Maximum......................30
Rotational Speed (RPM).......3600 +/- 5%
Average latency (msec).......8.33
FUNCTIONAL:
* Data zones....................8
* Bit density (Kbpi)........33-44
* Track density (tpi).......1,600
* Disks.........................4
* Data heads....................7
* Servo heads...................1
* Physical tracks..........10,864
* Sectors per track.........47-72
* Physical cylinders........1,560
PHYSICAL:
Dimentions
* Height....................1.625 in. (41.3 mm)
* Width.....................4.000 in. (101.6 mm)
* Depth 5.750 in. (146 mm)
* Weight....................2.2 lb. (1 kg.)
Temperature limits
* Operating.................5-50 (C)
* Non-operating...........-40-65 (C)
* Temperature gradiant/Hr..20 (C)/hr.
Relative humidity limits ( Non condensing)
* Operating.................5 to 80%
* Non-operating.............5 to 80%
* Maximum gradiant/Hr............20%
* Maximum wet bulb...............27.6 (C)
Shock (G's)
* Non-operating..................50
* Operating (no errors)...........3
* Operating (recoverable errors).10
POWER:
* +12VDC +/- 5%, 0.6A (typical) 2.1A, Max.
* +5VDC +/- 5%, 0.5A (typical)
* Power dissapation (typical) 11 WAtts
RELIABILITY:
MTBF.......................150,000 Hrs.
PM........................Not Required
MTTR........................20 Minutes
Component design life..........5 years
==============================================================================
LXT-xxxA PCB Layout
┌────┬─────────┐ ┌──┐ ┌──────────┐ ┌───┐ ┌─────────┐ ┌─┐ ┌──────────┐
│ │ └─┘ └──┘ └──┘ └────┘ └──┘ └──┘ │
│ J3 │ ╔══════════════════════╗ │
│ │ J6 ║ 9 7 5 3 1 ║ │
└───┬┘ ┌─────┐ ║ ┌────────────────┐ ║ ┌─┬─┼
┌───┴┐ │:::|:│<────────╢ │ * * * █ * │ ║ │ ├─┼
│ ├ └─────┘ ║ │ * * * █ * │ ║ J5 │ ├─┼
│ ├ ║ └────────────────┘ ║ │ ├─┼
│ ├ ║ 10 8 6 4 2 ║ └─┴─┼
│ ├ ╚══════════════════════╝ ┌─┬─┼
│ ├ │ ├─┼
│ J1 ├ │ ├─┼
│ ├ J2 │ ├─┼
│ ├ │ ├─┼
│ ├ │ ├─┼
│ ├ │ ├─┼
│ ├ └─┴─┼
│ ├ ┌─┬─┼
└───┬┘ J4 │ ├─┼
│ ┌─┐ To attach an external LED, use pins 9-10───────> └─┴─┼
└──────┘ │ ┌──┘
┌────────┘ └──┐
└──────────────────────────────────────────────────────────────────────┘
LXT-A Jumper Designations │1-2│3-4│5-6│7-8│9-10│
┌───────────────────────────────────┼───┼───┼───┼───┼────┤
│ Master/Slave │ │ │ │ │ │
│ Only drive in single drive sys │ R │ │ │ │ │
│ Master in dual drive system │ R │ │ │ │ │
│ Slave in dual drive system │ J │ │ │ │ │
├───────────────────────────────────┼───┼───┼───┼───┼────┤
│ Drive Active (System LED) │ │ J │ │ │ │
├───────────────────────────────────┼───┼───┼───┼───┼────┤
│ Slave Present │ │ │ │ │ │
│ One drive in single drive sys │ │ │ R │ │ │
│ Master in dual drive system │ │ │ R │ │ │
│ Slave in dual drive system │ │ │ O │ │ │
├───────────────────────────────────┼───┼───┼───┼───┼────┤
│ Two Drive System │ │ │ │ │ │
│ One drive in single drive sys │ │ │ │ R │ │
│ Master in dual drive sys │ │ │ │ J │ │
│ Slave in dual drive sys │ │ │ │ R │ │
├───────────────────────────────────┼───┼───┼───┼───┼────┤
│ Sync Spindle Pulse Source │ │ │ │ │ │
│ If receiving pulse │ │ │ │ │ R │
│ If transmitting pulse* │ │ │ │ │ J │
└───────────────────────────────────┴───┴───┴───┴───┴────┘
J=Jumpered R=Removed O=Optional
*=This jumper may only be used
only on one drive in an array
CMOS Configuration: Cyls Hds Write Landing Sec/Trk
PreComp Zone
340MB Capacity ---------------------------------
(321.8 Million Bytes) 654 16 0 654 63
LXT-340A & LXT-340S are trademarks of Maxtor Corporation.
AT is a registered trademark of IBM Corporation.
Specifications subject to change without notice.
Copyright 1992 Maxtor Corporation.
==============================================================================