                        LXT-AT IDE SPECIFICATIONS



Performance Specifications

                             LXT-213A        LXT-340A        LXT-535A
                             ----------------------------------------          
Capacity Unformatted     
Per drive (MBytes)             248             402            613
Per surface (MBytes)           35.4            57.4           57.4

Capacity Formatted *
Per drive (Bytes)         212,703,232     340,558,848      535,163,904         
Per surface (Bytes)       30,386,176      48,651,264       48,651,264

Average Latency (msec)         8.3             8.3            8.3

Seek Time (msec)            
Single track Read              3.0             3.0            2.5
Single track write             3.0             3.0            3.0
Average seek                   15              15             12
Average seek to read           -               -              12
Average seek to write          -               -              13
Full stroke                    30              30             30

Overhead (msec)                300             300            300

Transfer Rate
Buffer to host (Mbyte/sec)     6               8              8
Sustained (Mbyte/sec)          4               5              5

Buffer size (K)                32              64             64

DC Power Requirements          

                             +12V DC                 +5V DC        
                             -------                 ------
REGULATION                   +/- 5%                  +/- 5%

CURRENT (Typical)            0.6A                    0.55A

CURRENT (Maximum) **         2.5A (Inst.)            0.75A

POWER (Typical)              7.2W                    2.75W

RIPPLE (Maximum, P-P)        120mV                   50mV                 


** At Spinup

* Actual capacity available depends on user-defined parameters selected
in the format operation. The formatted capacity above was calculated
using a 512 byte sector.


Revision A                                              Sandoval/Anderson
10/07/93
