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2010-04-21
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∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°
∙ RANDOM RAVINGS ∙
∙ ∙
∙ from Dave Henniker ∙
∙ ∙
∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°
I've taken time off from programming Kozmic 4 to respond to STEN's pleas
for contributions. There are various topics I'd like to cover, hence the
hastily conceived title.
For the last two years I've earned my living as a computer engineer. Prior
to this I was a TV service engineer. I'd been a computer hobbyist since
approximately 1980 (Compukit 101, BBC Micro, STFM, STE) but knew precious
little about IBM compatibles.
WORKBENCH / TOS / DOS
∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙
I was fascinated by STEN # 14's review of the Amiga A1200 and this
confirmed my suspicion that Workbench is a pain in the ass. Atari
computers have a major advantage having the operating system in ROM;
it's always there - no loading from disk. This benefit, in my view,
outweighs the disadvantage of making it more dificult to upgrade or
change operating systems. Another reason I prefer the ST is that most
users have (to some extent) a standard system to write software for.
PC's have ROM's too, nearly always in the form of EPROM chips. These
contain not the Operating System (OS), but the BIOS (Basic Input / Output
System). The best BIOS's are by AMI (Americam Megatrends Incorporated).
When a PC is switched on the first thing that happens is that the
processor executes the BIOS program. This looks in the volatile battery-
backed RAM for information about the hard disk, memory size and so on.
Next DOS is loaded into memory from the hard disk and screen / mouse /
printer drivers etc are installed from entries in the CONFIG.SYS file. The
AUTOEXEC.BAT file is a batch file and any instructions there will be
executed. These files function similarly to AUTO programs in the ST.
WINDOWS, THE DOOR TO MADNESS?
∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙
Recently I changed videocards in my PC at work and had to set up Windows™
with new screen drivers and fonts. I wanted 800x600 resolution with 256
colours. Windows just wouldn't run so I had to type "cd windows" <enter>
"setup" <enter> to run the setup program. In DOS, files with the suffixes
".EXE", ".COM" or ".BAT" generally do something if you type their names
(without the suffix) and press the Return key.
Many people have come to grief installing or setting up Windows. It seems
easy at first; you stick in disk # 1 from the pile and just type
"install". Some 1.44 Mbyte floppy drives seem to have alignment problems
and have trouble reading Windows disks. A typical message is "Please
insert Windows disk 2" when you already have.
When upgrading to a new videocard things can get bad, even if you know
your A: drive is working perfectly. I spent literally hours trying to get
Windows to load screen drivers and fonts, both from the disks supplied
with the Tseng Labs videocard as well as Windows disks. The Windows Setup
program asked for Windows disk 4 when the files needed were actually on
disk # 5. After seeking help from a colleague I found that many of the
files on the Windows disks were compressed.
I tried copying all the files from the floppies into a temporary directory
(folder) on the hard disk then using DOS 5's 'expand' command to
decompress them. I typed "expand -r *.*" <enter> and messages scrolled up
the screen as vast amounts of hard disk space were gobbled up. I planned
to delete the unneeded files later.
This seemed to work. Windows Setup displayed a message like "If the files
can be found in a different directory then please enter the path." I
entered "C:\TEMP" and, lo and behold, it loaded some files it was looking
for. Naturally there had been other steps necessary such as renaming a
file to "OEMSETUP.INF" and other user-hostile trivialities. There were
more fonts and screen drivers needed that I couldn't seem to find,
however, and when it asked for a Windows 3.0 file (I was using version
3.1) I got really pissed off.
I deleted ALL of Windows from the hard disk and started installing it
again from scratch. I dutifully fed the disks in one by one. Again it
asked for a Windows 3.0 file and I gave up. I've got my 800x600 resolution
but I've still only got 16 colours, not 256. And yes, I do have 1 Mbyte of
video RAM installed.
MS Windows sucks, in my opinion. In Neodesk on the dear old Atari ST, if
you want to save your configuration, you just click on "Save
Configuration". Simple, huh? The next time you run Neodesk your windows
and icons will be as you wanted them. Maybe I'm thick or something but to
do this in Windows I have to enable "save on exit" (which I don't like),
quit Windows, start it up again then disable "save on exit".
COPIOUS HELP (TOO MUCH, MAN)
∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°
Maybe I should read the manuals again. In a brave try at user-
friendliness, MicroSoft have supplied copious help on-line when in
Windows. You click on "help" and you're presented with menu after menu of
help boxes. There's "Help on help" (how to use help), glossaries, tables
of contents etc etc and even a "history" feature which will repeat all the
'help' options you used in the current 'help' session. The words "Total
Overkill" spring to mind.
SOFTWARE NEEDS HARDWARE
∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙
I read in Computer Shopper that Windows is so wasteful of hard disk space
that two of its large files are identical apart from the file names. It
needs at least 4 Mbytes of RAM to work properly. Less than that and it
chugs along slowly, constantly creating swap files.
The legacy of mistaken assumptions from previous versions of DOS still
afflicts today's versions. "Who would ever need more than 1 Mbyte of
RAM?" the programmers must have asked. DOS cannot cope with hard disks
with more than 1024 cylinders (tracks) and has to lie to itself about the
numbers of heads / sectors per track. This is called Translation.
∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∙∞∙∞∙∞∙∞∙
(Not so) AMAZING SCIENCE
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Recently one of our two Sony Betamax VCR's took the big sleep and Jane and
I finally decided to update to VHS. When we first got our machines Beta
was superior to VHS - bigger head drum, faster effective tape to head
speed, sharper picture - but VHS caught up about the time HQ (High
Quality) appeared on the market. Armed with my chequebook with its
dwindling redundancy-money resources, we set off for John Lewis and
bought an all-singing, all-dancing Panasonic with NICAM (Near
Instantaneous Companded Audio Multiplex) Stereo sound.
We even joined a video club and hired a few films. We bought a Neil Young
tape and the Eurythmics' Greatest Hits. I'd imagined there would be lots
of ads in video magazines for mail order catalogues. There wasn't. On
impulse I bought a copy of Exchange & Mart and found an advert. Not
having seen a copy of the magazine for years, I perused the different
categories. In the scientific section I found an ad for plans to build a
plasma ball. This is a glass globe with a sort of lightning effect inside
which you can influence by placing your hand on the surface.
I'd seen these plasma globes on display in novelty shops for about £150 or
more. The Channel Four TV programme "The Secret Life Of The TV Set" said
you could make one using an old flyback transformer - but they didn't
elaborate. The catalogue cost £2, refundable when you buy the first plan
or kit. I ordered it. I wasn't happy. I wrote back but got no reply. I'll
reproduce my letter below (as an open letter) in order to explain my
discontent.
__________________________________________________
Amazing Science
Dolbent Bont
Ystradmeurig
Dyfed
SY25 6DS
Dear Sir
OK, you've successfully ripped me off for £2. Your catalog (sic) sucks.
You sure have a nerve to take an American electronics catalogue and
photocopy it (badly), substituting your own astronomically inflated prices
in sterling. Not only are you trying to rip off unsuspecting punters; you
have infringed the copyright of the publisher of the original catalogue.
Maplin's prices are not as cheap as say, CPC, but a glance at their
catalogue reveals some interesting comparisons between their prices and
yours, eg:
Item Maplin price Your Price
9 Volt Nicad PP3 £ 6.25 £19.70
700 Volt SCR £ 0.98 £ 5.40
IR HI PWR LED £ 0.60 (100mW) £11.40 (7mW)
Photo Diode £ 0.86 £29.50
Photo Transistor £ 0.56 to £ 3.25 £ 6.60
MJE3055 £ 0.86 £ 4.20
22 Megohm .5 Watt £ 0.18 £ 1.80
1 Ohm .5 Watt £ 0.04 £ 1.80
Fiberoptic And
Laser Handbook £15.95 £29.50
Laser Cookbook £18.15 £29.50
Furthermore I cannot believe that you have all catalogue items in stock.
Presumably you take people's money then order the stuff from the US. Your
scam has been rumbled. Unless you refund my £2 and offer a very convincing
explanation, I'll feel morally obliged to write to Exchange & Mart.
Yours faithfully
__________________________________________________
A NEW WAY TO MARKET COMPUTERS
∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙°∙
Do you get the Radio Times? We got fed up looking at Teletext to find out
what's on. To find out what BBC1 is showing in Scotland it's no use using
the BBC's Ceefax unless you're prepared to look up both BBC1 and the
Regional Variations. Why do they show you what was on when you were at
work? Very tedious waiting for the pages to change!
To find out what's on BBC it's quicker and more reliable to change to ITV
and consult the Oracle. Unfortunately you invariably have to wait through
screens of ads for 0898 phone numbers as well as pages that say "0035
Close" and nothing else. These empty pages only appear in BBC listings.
Anyway, I digress. We started buying Radio Times recently. If you get it
then maybe you noticed a fold-out leaflet inserted between the pages of
the current issue. This was an ad for Dell Computers. The front cover
shows a man (with a nose like Bob Dylan's) gazing raptly at a screen. A
young lady (presumably his daughter) is also apparently spellbound at the
same image. Her nose is the reverse shape of Bob Dylan's. Obviously noses
do not run in their family. The caption reads:
INSIDE:
ADD AN EXTRA DIMENSION TO YOUR VIEWING
WITH PROGRAMS YOU CAN'T AFFORD TO MISS.
Examination of the photographs reveals that our friend with Bob Dylan's
nose has an attractive wife who also uses the computer. Strangely, they
both work at the same office. His computer desk is far too high and is so
small that the keyboard is propped up by his chest. He not only finds a
mousemat unnecessary but is ambidextrous too. His wife (secretary?) wears
glasses to look at the computer at work but manages fine without them
when doing so at home. Their employer obviously is Dell Computers as
another picture shows him on the telephone providing Telephone Support to
Dell's customers.
The happy couple's son and daughter have an identical computer but, oddly,
their father uses it to perfect his golfing technique.
Several systems are featured in the pamphlet but, puzzlingly, none of them
have hard disks. The first system has 4 Mbytes Ram and 80 Mbytes RAM
also. Others are similar, each having two lots of RAM but no hard disk.
I recently phoned Dell about a faulty Notebook computer. Maybe this dude
was one of the many people I spoke to...? I spoke to lots of people at
Dell. Most big companies treat you the same way when you phone them. You
get shunted round numerous departments and have to repeat the same story
several times. One lady with an American accent promised to phone me back
but didn't. The next time I phoned Dell I let it be known that I did not
want to passed from pillar to post.
A replacement computer was promised but I was warned it would take 28
days. Surprisingly, a Dell engineer turned up the next day and, using
Laplink, transferred the contents of the faulty machine to the new one
he'd brought . At least Dell's on-site warranty means just that.
Their idea of using Radio Times - rather than hefty tomes such as
Computer Shopper is a good one. It's a pity their advert is so bad.
Perhaps the more enterprising Radio Times readers will find a way of
recycling the flexible card it's printed on.
~~~~~~eof~~~~~