Transfer rate HP->PC

Eric Martz (emartz@MICROBIO.UMASS.EDU)
16 Jun 1993 17:45:35 -0400 (EDT)

Following up on Nick Viner's queries, I'd like to hear some data from Chris
Worth and anyone else who is using Verity's WHPPC (evidently requires MS
Windows?) about the actual rate of tranfer of list mode data files from
HP->PC via the IEEE-488 bus.

I'm using the HP 3.1 IEEE-488 cable going to an (old) 8-bit National
Instruments GPIB-PC2 card in a 386/25 with a 16 ms mean access hard drive,
with SMARTDRV disk caching (write caching enabled). The HPPCLINK (HP and
PC) programs written by Morgan Conrad and Ravi Mhatre while at B-D, and put
in the public domain by B-D, manage the transfer. The PC does not need
Windows. With this set-up, a 42K file takes 14 seconds to transfer, so it
goes at 3K bytes/second.

I'm curious whether a 16 bit board speeds things up, and how WHPPC compares
with HPPCLINK.

/*- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Eric Martz emartz@microbio.umass.edu
Professor of Immunology Voice: 413-545-2325 FAX: 413-545-1578
Morrill IVN 203, University of Massachusetts, Amherst MA 01003
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