This benchmark data was produced with the CORE DISKP program.
For many applications, hard disk access time is more significant than
CPU speed in determining total throughput.  Choose with care.



                  CORE HARD DISK BENCHMARK AVERAGE ACCESS TIMES
                               (In Milliseconds)

                                             RANDOM AND
DRIVE                      TRACK TO TRACK    TRACK TO TRACK      RANDOM
------                     --------------    --------------      ------

Core ATplus 72 MB (AT)         4.66             12.63             20.76

Priam 60 MB/IBM AT HDC         3.78             12.79             21.25

Atasi 40 MB/Adaptec (PC)       6.20             15.87             25.15

Emerald PS70 58 MB (PC)        3.78             14.99             25.54

Tandon 40 MB                   5.54             16.25             26.58
 (Univation external unit)

Seagate ST-4038                9.83             21.25             32.07
 (PC-XT with OMTI)

NEC APC-IV 30 MB               6.92             21.97             36.08
 (AT clone)

CMI 20 MB/IBM PC-AT HDC        7.90             23.28             38.17
 (Stock IBM AT hard drive)

Zenith 241 44 MB               8.34             23.50             39.10
 (AT clone)

Express Systems 72F-1         12.13             29.96             45.25
 72 MB (PC)

Televideo 286 44 MB            9.11             32.18             55.85
 (AT clone)

Plus Devel. Hardcard 10 MB    14.28             37.95             60.14

DTC 10 MB cartridge drive     30.31             48.11             66.84
 (External unit)

Compaq portable 286 HD        15.01             42.34             68.03

Tandy 3000 20 MB              20.40             45.30             68.40
 (AT clone)

Flash Card 20 MB              14.99             45.75             74.36

Leading Edge PC 20 MB         20.70             49.32             75.83
 (Seagate/WD)

Seagate 10 MB ST213/WD        20.70             49.37             75.90
 (Half-height)

Compaq portable II 10 MB      16.76             47.36             76.07

Sharp PC-7500 20 MB           16.80             47.34             76.67
 (AT clone)

Seagate 10 MB ST212/WD        23.01             53.16             81.45
 (Half-height)

Tulin 240 30 MB               16.47             50.53             81.56
 (OMTI 5510 HDC)

Mountain DriveCard 20 mb      16.58             51.35             84.25

Tandon Diskard 21 MB          16.20             53.77             85.51

Televideo TeleCat-286 20 MB   17.13             52.48             85.55
 (Compact AT clone)

ATT 6300+ 20 MB               21.10             58.20             92.60

Compaq portable 10 MB         18.56             55.36             92.87
 (Rodime/WD)

IBM 20 MB/IBM PC HDC          17.63             56.57             93.04
 (Stock XT drive)

Shugart 712 10 MB             16.25             58.98             95.40

Sanyo MBC-885 20 MB           37.51             60.85             96.22
 (XT clone)

Seagate 10 MB/IBM PC HDC      16.80             63.16            106.72
 (Stock XT drive)

MicroScience 10 MB/WD         33.61             71.23            106.72
 (Half-height)

Sysdyne PHD System 10 MB      38.99            100.45            158.07
 (Drive card)

ITT Xtra 10 MB                19.60             92.60            158.95
 (Miniscribe half-height)

Western Digital               38.83            101.68            159.06
 File Card 10 MB