HDTenEightyP/NetNews huggingface dataset:
From: slgwk@cc.usu.edu
Newsgroups: comp.speech
Subject: Help!! Looking for the most recent published books or papers
Date: 13 Nov 92 10:02:00 MDT
Organization: Utah State University

I am a graduate student working my master thesis, Speech Recognition for
persons with disabilities.  I am looking for the most recent published speech
recognition books or anything information about this topic.  If you have any
information which may help me, please let me know.  I appreciate for your help.

Marilyn Hu

My e-mail is : slgwk@cc.usu.edu
  or         : marilyn@slow.cs.usu.edu
From: lux@math.fu-berlin.de (Gerd Lux)
Newsgroups: comp.speech
Subject: Re: u-law encoding
Date: 5 Nov 92 15:11:27 GMT
Article-I.D.: math.C7L8ULT
Distribution: comp
Organization: Free University of Berlin, Germany

mikef@dcs.ed.ac.uk (Mike Fourman) writes:

>Sun audio produces "u-law" encoding. Where can I find a spec for this?
>
Blue Books, G.704 or G.711.
Greetings,
Gerd.
-- 
--------------------------------------------------------------------------
Gerd Lux		|	 grd@cs.tu-berlin.de  (preferred)
Kirchstr. 18      	|        lux@math.fu-berlin.de
D-1000 Berlin 21  	|	 Phone:	+49.30.399 00 400
From: news@duke.cs.duke.edu (News)
Newsgroups: comp.periphs
Subject: multiport terminal emulators
Date: 11 Nov 92 21:03:52 GMT
Reply-To: ingram@cs.duke.edu
Followup-To: posterFrom: ingram@cs.duke.edu (Robert E. Ingram)
Organization: Duke University Computer Science


I am interested in hearing from anyone who has had experience with:

1. Network Wizards company of Menlo Park, CA. And/or,
2. Multiport terminal emulators used as the console for fileserver, 
   mainframe, etc.

PLEASE reply via email.



---
--
Department of Computer Science, Duke University, Durham, NC 27706
Internet:	ingram@cs.duke.edu    (Robert Ingram, Systems Programmer)
UUCP:		mcnc!duke!ingram


Newsgroups: comp.periphs
From: eks@daimi.aau.dk (Eigil Krogh S|rensen)
Subject: Re: Anyone have Seagate ST3283A drive?
Keywords: Seagate ST3283A
Organization: DAIMI: Computer Science Department, Aarhus University, Denmark
Date: Thu, 5 Nov 92 18:54:00 GMT

bruce@bruces.frontiertech.com writes:

>About three months ago I bought a Seagate ST3283A hard drive
>(that's the 240 MB, 12ms model).  When I installed it, it made an
>extremely high-pitched, ear-piercing whine that could be heard in the 
>next room.  I called tech support, they said "Bad bearings, send it back."
>I did, and got a new drive. The new one was much quieter, but still 
>made a very audible whirring sound (at least as loud as the power
>supply fan).  Since it was quieter, I thought "Well, maybe this model
>just makes more noise than my previous drive because it is bigger and 
>faster."  Then, wierd things started happening in Windows, like
>"Extremely Low on Memory" errors with no apps running and 8MB of real 
>RAM.  I began to suspect the drive was hiccupping and doing bad
>things to Windows' attempts to access the swapfile.  The problems 
>subsided when I turned off Windows' 32-bit access option.  Last night, 
>Windows locked up solid with no warnings or errors.  It took a hardware 
>reset to unlock it.  Then my machine wouldn't boot from hard disk or 
>floppy until I powered it down and up again.  The power-on self
>test kept reporting "HDD Failure."  Looks to me like another bad drive.

>So, my question is this:  Has anyone else on this group gotten the 
>ST3283A?  What were your expereneces? Is this drive loud by nature, or
>have I gotten two bad apples in a row?  I am interested in any experiences, 
>good and bad, so I know whether to keep exchanging this for the same
>model or cut my losses and get a different drives.

>Thanks in advance, 
>Bruce A Backman  (bruce@frontiertech.com)



Undoubtedly the problem with your disk is bad sectors. I had exatly the same
problems with ST3283N (Same drive but with SCSI interface). My advice is
to get a different drive !

The ST3283N drives I tried didn't make much noise.


--- Eigil
Newsgroups: comp.periphs
From: wrb@ulnar.biostr.washington.edu (William Barker)
Subject: Western Digital disk drive question
Organization: University of Washington
Date: Fri, 6 Nov 1992 22:15:40 GMT

Hey,

Anyone know the CMOS ID # for a WD583R disk drive?  I inherited the  
problem of a PeeCee with a dead CMOS battery, so it doesn't know what it  
has.  The user's think it's a 30mb disk, but who knows.  It is a 3.5" HH,  
for what that's worth.  I've tried a couple of obvious choices, to no  
avail.

If nothing else, a phone # for WD that I can call would serve well, too.  

Any help appreciated.

Thanks in advance.

bb 

--
Bill Barker--Biological Structure--University of  
Washington--Seattle--WA--98195
(206) 543-7315
From: hari@hpsgl1.sgp.hp.com (Hariram RAMACHANDRAN)
Date: Fri, 6 Nov 1992 06:11:54 GMT
Subject: Help with Nikon slide scanner
Organization: Asia Peripherals Division, HP Singapore
Newsgroups: comp.periphs

Hi

I'd like to know if anyone has had experience with the Nikon LS-3510AF slide
scanner. I'm interested in both pricing/sourcing information as well as 
the complexity of interfacing with the scanner through Windows.

Thanks in advance...


****************************************************************************
Hari Ramachandran            Telnet:   520-2979      
Asian Peripherals Division   Internet: hari@hpsglhr.hp.com
R&D                          Desk:     hari_ramachandran@hp3200.desk.hp.com
Hewlett Packard Singapore    Fax:      (65) 274 3431
1150 Depot Road              Tel:      (65) 279 2979
Singapore 0411
Republic of Singapore
****************************************************************************
From: luig@IKP.Uni-Koeln.DE (Martin Luig)
Newsgroups: comp.periphs
Subject: Disk-Tester ?
Date: 5 Nov 92 12:56:44 GMT
Organization: Institute of Nuclear Physics, University of Cologne, Germany
NNTP-Posting-Host: snert.ikp.uni-koeln.de

Does anyone know about programs to test disks ?
We have problems  with our new IPI-disks connected to a DECstation 5000/240.
Please e-mail. 

Thanks !

-- 
Martin Luig  
		luig@ikp.uni-koeln.de
		University of Cologne, F.R.G.
From: cb599@cleveland.Freenet.Edu (Michael Robbins)
Newsgroups: comp.periphs
Subject: Taxan multivision 770 Plus monitor
Date: 9 Nov 1992 04:17:59 GMT
Organization: Case Western Reserve University, Cleveland, Ohio (USA)
NNTP-Posting-Host: hela.ins.cwru.edu


Does anyone out there have documentation for a TAXAN  MutiVision 770 Plus
monitor?   I have the pinouts but have no idea what the five rows of 
adjustment pots on the back do or what all freequencies it will sync to.
If anyone has the original documentation, I would gladly pay mailing and
pfotocopy fees to get a copy of it. Looks like a nice monitor but I'd like
to use it to its fullest potential.  Thanks.......
 
 
-- 
|\   /|--\\                      Michael Robbins
|\\ //|__//                      cb599@cleveland.freenet.edu
|| V ||  \\                      fidonet 1/231/240
||   ||   \\     *******What if there were no hypothetical situations?*******
Newsgroups: comp.periphs
From: schieb@shark.gsfc.nasa.gov (Super-User)
Subject: FAQ on DAT vs 8mm needed
Reply-To: schieb@shark.gsfc.nasa.gov (Brian D. Schieber)
Organization: Oceans & Ice Branch, NASA/GSFC/GSC
Distribution: na
Date: Thu, 5 Nov 1992 20:41:12 GMT

Could some nice netter send me the FAQ on 8mm vs DAT or
tell me where I could get a copy. I'd be most grateful.


Thanks,
--Brian

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
^ Brian D. Schieber                     ^
^ schieb@shark.gsfc.nasa.gov            ^
^---------------------------------------^
^ UNIX SEAPAK Project                   ^
^ NASA/Goddard Space Flight Center      ^
^ Laboratory for Hydrospheric Processes ^
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Newsgroups: comp.periphs
Subject: tape unit cleaner?!
From: mccalld@vax.sonoma.edu
Date: 4 Nov 92 13:32:12 -0800
Organization: Sonoma State University

Greetings:
\

   I've been using this triclorofloroethine/isopropol based tape unit cleaner
for about 6 or 7 years now.  The environmentalists have made this product
impossible to find.  What I would like is to know if anyone has found and
effective replacement for it.   The alcohol is the cleaning agent and 
the trichlor is the drying agent.....IBM has come out with a new 
cleaner which is 99% water however I am reluctant to use it on my CDC tape
units. It doesn't dry and the foam tipped swabs I use to get into those
little nooks and crannies will not absorb the liquid; it just beads up
and falls off.
signed
mccalld@sonoma.edu
frustrated

Newsgroups: comp.periphs
From: olson@anchor.esd.sgi.com (Dave Olson)
Subject: Re: basic question: will I need SCSI??
Keywords: SCSI, CD, ZEOS
Organization:  Silicon Graphics, Inc.  Mountain View, CA
Date: Wed, 11 Nov 92 08:30:06 GMT

In <1992Nov5.184447.12112@daimi.aau.dk> eks@daimi.aau.dk (Eigil Krogh S|rensen) writes:
| SCSI is used very much and there is nothing wrong with SCSI itself.
| 
| The problem is that, even though SCSI has been on the market for 5-10 years,
| the compnies producing SCSI peripherials does not follow the SCSI specs. Or
| the specs. are to "lose".
| 
| In the "good old dayes" when ST506/412 was used you knew that if you had a
| ST506/412 controller it for shure would run with a ST506/412 disk.

You obviously weren't involved with disk drive qualification!

This wasn't true with either ESDI or ST506 drives.  It isn't true
with SMD.  It isn't true with IPI.  It isn't true with XXX, where
XXX is any type of disk interface you care to name.  Sure, in any
given category a lot of drives will work, at least most of the time,
but you certainly aren't going to find all of them working all of the
time, or anything even close to it.

| With SCSI one can be shure that if the computer can run with one type of
| SCSI disks it can't run with others.

Actually, current SCSI drives are *mostly* pretty good on this, at least
as good as in any of the other drive categories I have ever been involved
with at the disk qualification level, and probably better than some.

IDE I can't comment on, as I've never messed with it.
--
Let no one tell me that silence gives consent,  |   Dave Olson
because whoever is silent dissents.             |   Silicon Graphics, Inc.
    Maria Isabel Barreno                        |   olson@sgi.com
Newsgroups: comp.periphs
From: pen@lysator.liu.se (Peter Eriksson)
Subject: Fujtisu M2284 - I need some new grounding plates...
Organization: Lysator Academic Computer Society, Linkoping University, Sweden
Date: Fri, 6 Nov 1992 12:19:35 GMT

The subject says it all, two of our M2284 drives is in need of new
grounding plates (the ones that make sure the rotating disks are
grounded) since the ones we have are more or less worn out (there are
big holes in them..) Anyone know where I might find some?

/Peter
--
Peter Eriksson                                              pen@lysator.liu.se
Lysator Academic Computer Society                 ...!uunet!lysator.liu.se!pen
University of Linkoping, Sweden                I'm still bored. Flame me again.
Newsgroups: comp.periphs
From: rahayden@news.weeg.uiowa.edu (Robert Hayden)
Subject: My Monitor is Haunted.
Organization: University of Iowa, Iowa City, IA, USA
Date: Fri, 13 Nov 1992 05:29:29 GMT

HELP!

Somehow my monitor (noname VGA) just started ghsoting on me.  It is
getting steadily worse in the past couple of hours or so.  It is very
noticable on text, less so on graphics.

it is appearing aas a 1 pizel blue ghost to the right and below the text.

Any suggestions I can do, besided hauling it in somewhere?  Yes, I've
tried smacking it, it didn't help.

No fiddling with the brightness/contrast/position controls helped either.

*checks Bible on monitor prices*
*shudders*

I hope it isn't dying on me.


-- 
>> Robert Hayden | rahayden@umaxc.weeg.uiowa.edu | aq650@slc4.INS.CWRU.Edu <<
>>>-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-<<<
>> I have this sneaking suspicion that Bill Clinton is going to smoke some <<
>>  of his wacky weed and then paint the White house in psychadelic colors <<
From: mark@hpcpbla.bri.hp.com (Mark Simms)
Newsgroups: comp.periphs
Subject: Re: DAT questions
Date: 13 Nov 92 13:25:00 GMT
Organization: HP Computer Peripherals Bristol, UK

>> - Is there a general opinion about the difference between data DAT
>> tapes and audio DAT tapes?  Should one not use audio DAT tapes for
>> data backup?

General opinion is varied.  Many people use audio tapes.  Some have
problems with them.  High quality audio tapes will probably work well
but will cost as much as a data grade tape.

>> - Does anyone have a recommendation for inexpensive, reliable source for
>> purchasing data DAT tapes?

Interestingly enough, HP brand tapes tend to work out among the
cheapest.  This may seem a little surprising so check around.  Also,
it is cheaper to buy them from a dealer than direct from HP.

Mark Simms

----------------------------------------------------------------------
Opinions expressed are my own and are not intended to be an official
statement by Hewlett-Packard Company
----------------------------------------------------------------------
Name:         Mark Simms
Profession:   Software Engineer
Organization: Hewlett-Packard Computer Peripherals Division
Unix-mail:    mark@hpcpbla.bri.hp.com
----------------------------------------------------------------------
From: lam@mrcnext.cso.uiuc.edu (Ken Lam)
Newsgroups: comp.periphs
Subject: VEGA VGA-16?  Help!
Date: 8 Nov 92 23:57:43 GMT
Organization: University of Illinois at Urbana

A faculty member has obtained a VEGA VGA-16 board.  I know that it just has
256K, but somehow it conflicts with the hard disk controller.  I need to
find out what the dip switches do on the card.  I don't have the manual
or disk, but the computer is only used for WP and LOTUS.

(oh, I tried comp.sys.ibm.pc.hardware, but there were no replies)

Please Email me.

Thanks.

--
Ken Lam                                                     (803)-884-7615 (H)
System Administrator                                        (803)-792-4969 (W)
Senior Systems Consultant                                   (803)-792-5446(FAX)
Netware/UNIX System Programmer/Integrator                    lam@jove.cofc.edu
MultiMedia Works & Video Productions ======= Teaching the world in better ways
From: berger@dewey.soe.berkeley.edu (Daniel Berger)
Newsgroups: comp.periphs
Subject: DAT questions
Date: 9 Nov 1992 22:54:20 GMT
Organization: School of Education, U.C. Berkeley
Distribution: world
NNTP-Posting-Host: dewey.soe.berkeley.edu
Originator: berger@dewey.soe.berkeley.edu

This may be part of a FAQ, but I do not read this group, so...

- Is there a general opinion about the difference between data DAT
tapes and audio DAT tapes?  Should one not use audio DAT tapes for
data backup?

- Does anyone have a recommendation for inexpensive, reliable source for
purchasing data DAT tapes?

Thanks
dhb
From: mark@hpcpbla.bri.hp.com (Mark Simms)
Date: Fri, 6 Nov 1992 13:29:31 GMT
Subject: Re: what to optimize with DAT drives?
Organization: HP Computer Peripherals Bristol, UK
From: darkwing@cis.umassd.edu (Curtis H. Wilbar Jr.)
Subject: scsi-esei and scsi-mfm bridge controllers wanted
Organization: University of Massachusetts Dartmouth
Date: Sun, 8 Nov 1992 03:41:18 GMT

Hello,

  I'm looking for SCSI-ESDI and SCSI-MFM bridgeboards (bridge controlers)
that will work with an Adaptec 1542B host adapter....  note, this rules out
Emulex MD-21 (which of course are plentiful because they wont work with my
host adpater...why else...)

In particular, I'm looking for:

SCSI-ESDI
---------
Emulex MD-25
Adaptec ACB4520 (or ACB4525Z - what is this compared to ACB4520 ?)
Wester Digital ADSI-D215S
or other

SCSI-MFM
--------
Adaptec ACB4000A
Western Digital WD1003A-SCS
or other

SCSI-RLL
--------
Adaptec ACB4070 
or other

Also SCSI-SMD bridgeboard info would be greatly appreciated....
Also SCSI-QIC02 ....

Thanks,

  -- Curt

darkwing@cis.umassd.edu
Newsgroups: comp.periphs.scsi
From: neese@adaptx1.UUCP (Roy Neese)
Subject: Re: Bus on/off time?
Organization: Adaptec Inc., Texas
Date: Wed, 04 Nov 1992 22:04:34 GMT

In article <1992Nov2.234017.15000@cs.brown.edu> cs011177@cs.brown.edu (Kwun Han) writes:
> Hi! Can anyone tell me what is bus on/off time in a SCSI interface means?

This relates to the amount of time an adapter/controller will hold the
bus (bus on) and stay off the bus (bus off).  These are terms which
typically relate to bus masters, whether they are ISA, EISA, or MC bus
controllers/adapters.  When used together, they usually refer to the ISA
bus as the EISA and MC busses have arbitration control in the bus logic
which does not require the device to stay off the bus for any period of
time.  Hope this helps.
---

			Roy Neese
			Adaptec Senior UNIX/SCSI Software Engineer
			UUCP:	convex!egsner!adaptex!neese
			Inet:	neese%adaptex@cirr.com
Newsgroups: comp.periphs.scsi
From: beaulieu@bose.com (Larry Beaulieu)
Subject: Re: SUMMARY: Tape drives
Organization: Bose Corporation
Date: Wed, 4 Nov 1992 21:01:52 GMT

In article <1992Nov3.181516.17149@b11.b11.ingr.com> mcconnel@b11.b11.ingr.com (Guy McConnell) writes:

   Newsgroups: comp.periphs.scsi
Path: bose!uunet!infonode!ingr!b11!mcconnel
   From: mcconnel@b11.b11.ingr.com (Guy McConnell)
   Reply-To: mcconnel@b11.b11.ingr.com (Guy McConnell)
   Organization: Intergraph Corp. Huntsville, AL
   References: <10887@uqcspe.cs.uq.oz.au>
   Date: Tue, 3 Nov 1992 18:15:16 GMT
   Lines: 93

   In article <10887@uqcspe.cs.uq.oz.au> dusan@cs.uq.oz.au (VK4FCW) writes:

   >>Without compression           300 MB to 5 GB                 2 GB 
   >>With compression              Up to 20 GB                    Up to 8 GB
				  ^^^^^^^^^^^
   >    This should be 25 GB with the (Exabyte standard) IDRC algorithm. 
   >Incidentally, Exabyte's implementation of the algorithm actually
   >decompresses the data *after* it goes through the compression logic
   >and compares it with the uncompressed data in the buffer for the
   >ultimate integrity check.

   >>Performance
   >>-----------
   >>Transfer rate   asynchronous  1.5 Mb/sec                     1.5 Mb/sec
   >>	        synchronous   4.0 Mb/sec                     5.0 Mb/sec
   >                 sustained     500 Kb/sec                     732 Kb/sec
				  ^^^^^^^^^^                     ^^^^^^^^^^

   >    As is typical, DAT's transfer rate is given at the maximum
   >compression level of 4:1 (183 x 4 = 732) while Exabyte's is given in
   >native mode.  Compression works the same in both; it multiplies not
   >only the capacity, but transfer rate as well.  Therefore, at
   >Exabyte's maximum compression ratio, the transfer rate is 2.5 MB/sec
   >(500 KB/s x 5 = 2.5 MB/s).


	I had 5 of the Contempory Cybernetics 8mm 5GB drives w/compression option
	mentioned in the original posting (at my previous company) connected to 
	SPARCstation 2's and 4/470's.  About the best I could get out of 
	a drive when using data compression was 17GB when dumping mostly text and 
	database flat files.  Sustained transfer rate on the local system
	was on the order of 400-600 KB/sec both as indicated by the
	drive itself and timing the backup (standard dump), with
	peak rates of about 1MB/sec obtained when backing up the ASCII dumps
	of the data from databases.

	500 kb/second is also the suttained speed when dumping over
	the network, both as measured by the tape drive and monitoring
	an otherwise quiet network.   

	These figures are all from backups using the hardware compression option
	internal to the tape drive enabled.

	The original data are closer to my results than these.



--
Larry Beaulieu			beaulieu@bose.com
Bose Corporation		Phone: 508-879-1916 x6479
Framingham, MA 01701-9168	FAX:   508-820-4865	

		All flames gleefully ignored.
Newsgroups: comp.periphs.scsi
From: it1@ra.msstate.edu (Tim Tsai)
Subject: Re: Ultrastor 14F and Windows
Organization: Mississippi State University
Date: Wed, 11 Nov 1992 07:29:02 GMT

>John M. Allen (allenjm@eng.auburn.edu) wrote:
>: 	I am currently attempting to install a SCSI drive in a Dos Machine.
>: I am using a CONNER SCSI drive with Ultrastor's Ultra14f Controller.
>: Every time I try to load windows it just freezes.

  What version of the ROM do you have?  The latest is 1.04 and
can be downloaded from their BBS (510-623-9091).  Technical
support will sell you two EPROMS for $20 + $6 shipping, but I
guess if you bitch enough they may send it to you free.  I have
version 1.02 and 1.03 ROM and have had a number of compatibility
problems.  Haven't gotten around to installing the 1.04 ROM
yet.
From: dcrocker@cisco.com (Dan Crocker)
Newsgroups: comp.periphs.scsi
Subject: Re: Ultrastor 14F and Windows
Date: 9 Nov 92 00:24:39 GMT
X-Newsreader: TIN [version 1.1 PL6]

John M. Allen (allenjm@eng.auburn.edu) wrote:
: HELP!
: 	I am currently attempting to install a SCSI drive in a Dos Machine.
: I am using a CONNER SCSI drive with Ultrastor's Ultra14f Controller.
: Every time I try to load windows it just freezes.  I have the controller
: configured for ISA rather than busmaster and the USPI14 driver loaded.
: I can load and run Dos with no problem but Windows doesn't want to get past
: the splash screen.
: I have tried setting the VirtualHDIrq off in windows system.ini but I can't 
: get it to work.
: 
: I am posting to this group rather than the windows group because this appears
: to be a SCSI problem.  
: 
: Thanks in advance for any advice.
: 
: 				-John Allen
: 
I have the same setup as you except that I am using the 14F in busmaster mode.
If you haven't already, try the following two configurations:
1. the 14F in ISA mode, don't load USPI14, and remove the virtualhdirq=off
   line from system.ini.  I think this should work because with the 14F in
   ISA mode, it looks just like a normal AT disk controller and doesn't need
   the driver or the special setup in system.ini.
2. the 14F in bus master mode, load USPI14, and put virtualhdirq=off in
   system.ini.  This is my config and it works for me.

Also, I assume you started from scratch and installed all the software on this
disk with the 14F (it wasn't clear from your post).  If not, then you need
to be careful about the "drive mapping mode" (sector mapping).  If it's not
the same as when the software was installed, very weird things will happen.

Good luck...
Dan
Newsgroups: comp.periphs.scsi
From: gibson@b11.b11.ingr.com (Stanley)
Subject: Re: 1 GB 3.5" SCSI disks
Reply-To: gibson@b11.b11.ingr.com (Stanley Gibson)
Organization: Intergraph Corp. Huntsville, AL
Date: Wed, 11 Nov 1992 17:57:33 GMT

In article <1992Nov10.000149.9290@mpifr-bonn.mpg.de> mlelstv@speckled.mpifr-bonn.mpg.de (Michael van Elst) writes:
>
>Just playing with a DEC DSP3105  (3.5", 1.05GB, quite silent except when
>powered on...). DiskSpeed 4.2 shows on an outer partition:
>
>Testing with a 262144 byte, MEMF_FAST, LONG-aligned buffer.
>Create file:       940863 bytes/sec  |  CPU Available: 65%
>Write to file:    1699686 bytes/sec  |  CPU Available: 75%
>Read from file:   3195287 bytes/sec  |  CPU Available: 64%
>
>The same test on a partition starting in the middle of the drive:
>
>Testing with a 262144 byte, MEMF_FAST, LONG-aligned buffer.
>Create file:       688128 bytes/sec  |  CPU Available: 71%
>Write to file:    1081662 bytes/sec  |  CPU Available: 75%
>Read from file:   2244160 bytes/sec  |  CPU Available: 59%

This is curious. The DEC DSP3105 is not a "zoned" disk drive. The
data rate is constant regardless of where you are on the disk. 
The sustained transfer rate (57 sec/track * 512 bytes per sector * 90rps)
is 2.6MB/sec. The 2.2MB/sec you see is reasonable. The 3.1 is not. I
suspect disk or system cache is responsible for the "inflated"
value.