Odd Fault in 1050

[DocFlareon]

One of my 1050s has developed the strangest fault. It will not format disks, giving either Timed Out(138) or NAK(139) errors. However, it will happily read from and write to any disks that I throw at it. What is causing this?

 

[Kyle22]

Check your 3086 chip. Look here: http://atariage.com/forums/topic/265289-drive-reads-writes-fine-but-wont-format/?do=findComment&comment=3756458

[DocFlareon]

Hmm, looks like it's time to give Best Electronics a call. I'm Clumsy Smurf when it comes to soldering irons, so I can't do the fix myself.

[Paul Westphal]

While some of the older power supplies will give 1050's errors, the small universal one CO14795 will not, so check that. The older ones are fine for the 400 and 800, but I prefer the CO14795 for most applications.

Edited June 14, 2017 by Paul Westphal

[1050]

Best isn't in the business of repair work though,

you'll have to find somebody else for that. The

3086 chip itself can be had elsewhere too if

that was the intention, eBay is a fine source

as are many others.

 

Can you verify that writes are actually occurring

as valid data? Because if the format power isn't

there then the write capability can't be there

either. The drive may act like it's writing but

it actually isn't doing a good job of it. While

it's broke it would be nice to verify that writes

appear to work but actually the old data remains

and the drive is just playing with our heads in

this regard.

 

Paul Westphal - is Paul Alhart still around, he

would be the go to fix it guy right? I seem to

remember that you had some work done by him and

I know him from ancient ads he used to run and

by posts in bulletin board snippets I've run

across too.

 

Well that was easy...

 

Paul V. Alhart

524 North Zee St.

Lompoc, Ca. 93436

805 736-4624

 

Phone number is for New Hope Center run

by Mikki Alhart and is a bookstore

established in 2013. Now if only Paul A

is still with us...

 

http://www.verycomputer.com/10_5c3637555e3534eb_1.htm

[BillC]

Best isn't in the business of repair work though,

you'll have to find somebody else for that. The

3086 chip itself can be had elsewhere too if

that was the intention, eBay is a fine source

as are many others.

 

Can you verify that writes are actually occurring

as valid data? Because if the format power isn't

there then the write capability can't be there

either. The drive may act like it's writing but

it actually isn't doing a good job of it. While

it's broke it would be nice to verify that writes

appear to work but actually the old data remains

and the drive is just playing with our heads in

this regard.

 

Paul Westphal - is Paul Alhart still around, he

would be the go to fix it guy right? I seem to

remember that you had some work done by him and

I know him from ancient ads he used to run and

by posts in bulletin board snippets I've run

across too.

 

Well that was easy...

 

Paul V. Alhart

524 North Zee St.

Lompoc, Ca. 93436

805 736-4624

 

Phone number is for New Hope Center run

by Mikki Alhart and is a bookstore

established in 2013. Now if only Paul A

is still with us...

 

http://www.verycomputer.com/10_5c3637555e3534eb_1.htm

Is Mikki a relative of Pauls? They do have the same last name.

 

411.com also comes up with a Paul Vincent Alhart in Lompoc, it lists that he knows a Michelle Alhart(could be Mikki).

The link for more information is to Whitepages Premium which is restricted to the US.

[1050]

Didn't know about that restriction, although

overseas business is likely slow in the Atari

repair end to start with?

 

I will assume Mikki is daughter or wife. Just

providing information here, not calling myself

as my drives work fine when I have used them.

 

Here is the gist of that page I linked to

above.

 

Board index
Atari
Alhart Enterprises Presents (Paul Alhart)
Alhart Enterprises Presents (Paul Alhart)

Post by Michael Curren » Tue, 24 Sep 2002 06:10:12


The following is posted with permission from Paul Alhart.
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

Products available from Alhart Enterprises Presents are:

RANA Repair Guide         (book)  $12

     Complete mechanical & electrical alignment instructions for the
Rana Systems 1000 disk drive. Includes schematics, waveform diagrams,
parts lists, controller PCB updates & modifications, and several helpful
repair tips.

       ****************Buy any 2 or more disks for only $3
ea.***************

AtariWriter+ Companion    (disk)  $5

     A wealth of information for AW+ users. 10 of my past A-T-A-R-I
columns that deal exclusively with AW+. Includes ready to run programs
that let you modify several AW+ defaults and functions, edit and install
new screen fonts, change screen colors, increase the key-repeat rate,
disable the '850 handler' loader... And so much more.

Use with AW+C.II to make AtariWriter+ the best it can be.

AtariWriter+ Companion II  (disk) $5

A must for hard drive users. AtariWriter+ Companion II allows you to
customize the 48K version of AW+ Eliminate copy protection. Add high
speed J/S cursor routine. Decrease title screen display time Allow the
Dictionary disk to be used  in any drive from 1 to 9. Let AW+ load PROOF
from any drive. Let PROOF load AW+ from any drive. Change the screen
display width. (Left margin & # of Columns)
Eliminate several annoying prompts. Allow directories from drives 1-8
Allow directory of AW+ master disk to be displayed. And more.

StarStuffer               (disk)  $5

     Create fonts and download them to your Star NX-10 or SG-10 printer
upon boot-up. Can be used with any programing language or word
processor. Disk includes several ready made fonts as well as programs to
edit them or create new ones using a joystick. Fonts can be saved as
binary files that can be loaded via menu or as an AUTORUN.SYS file.

Search System II           (disk)  $5

An easy to use general purpoe data base/filer. Accepts unstructured
varable length fields. Machine language sort & find routines allow quick
retrivel of information for printing, editing, or deleation.

Atari BASIC Enhancements   (disk)  $5

     Perform DOS functions, translate error codes to English, convert
between Decimal & Hex numbering systems, and more from BASIC. Similar to
the Wedge, but uses no program memory. Works with ALL 8-bit Ataris.

8-bit TTL Logic Analyzer  (disk)  $5

     Great project for hobbyists. On this disk is the software &
commented MAC65 source code as well as the schematic and directions for
building the required interface which can be built for under $10.

MagicCalc                 (disk)  $5

     A "memory resident" 4 function calculator for machines with
expanded memory. This program hides away in expanded memory until called
via a Hot Key combination. Calculator entry can be Decimal, Hex, or
Binary. (Divide a Hex number by a Binary number) Entries and results are
displayed in all three numbering systems. There are two versions of
MagiCalc on this disk. MagiCalc XL is for XL/XE machines with XE
compatible expanded memory such as Rambo. MagiCalc 800 is for 400/800s
with Axlon memory upgrades.

Games disk                (disk)  $5

     Jacks Cargoship is a battleship type game for one or two players.
Play against the computer or a friend. Day, Evening, and Night time
senarios with player handicap available.

     Light Pen/(Light Gun) Tic-Tac-Toe. One player game. Simple but fun.

Reconditioned disk drives. All drives come with power supply, I/O cable,
and 90 day warranty.
.
810 (no case)     $20
810 w/case        $25
810 w/Archiver    $30
1050              $35
Rana 1000         $40
1050 w/doubler    $45
Indus GT          $45
.
A $15 creidt will be applied if you send me your dead drive (same base
model as ordered), power supply, and I/O cable.
.
My stock levels are always changing. Please call or write to verify
current stock before ordering.
.
Include $10.50/drive for USA S&H. Make checks payable to:
Paul V. Alhart
524 North Zee St.
Lompoc, Ca. 93436
805 736-4624

-- 

8-bit Atari FAQ and Vendor Lists   http://www.faqs.org/faqs/atari-8-bit/
S.P.A.C.E.   http://space.atari.org/   telnet://spacebbs.no-ip.com/

     
     
     

Top

1. Alhart Enterprises Presents (ad)

Atari 8-bit    Software - Hardware - Repair

[panama800]

Heck I used to live in Lompoc back in 1970 to 1987. I wonder if he is still doin this?