I must thank Davide M. for the donation.
Gallery:
The Commodore 4040 is the replacement for the previous models 2040 (USA) and 3040 (Europe). It’s a dual drive 5¼” floppy disk subsystem for Commodore International computers. It uses a wide case form, and uses the IEEE-488 interface common to Commodore PET/CBM computers.
These drive models use a similar single density, single side floppy data storage format to that used by the Commodore 1541 drive, but with a slightly different data marker indicating which model originally formatted the disk. The low-level disk format was similar enough to allow reading between models, but different enough that one series of drive models could not reliably write to disks formatted with one of the other model series.
Download: CBM 2040-3040-4040-8050 Disk Drive Manual (2384)
Testing the Floppy Drive with the ZoomFloppy interface:
source: wikipedia
Some new games or tools (Cracked / Trained or Unrealeased) for Commodore 64 have been released from your favorites groups.
Titles:
- Robin of the Wood +12DG +PIC +MAP
- Camelot Warriors +8DG +Pic +Map
- Wizball USA +2 [ntsc/pal]
- Sergeant Seymour Robotcop +25D
- Tazz HS
- Rasdumje +1D
- Robin of the Wood +33D
- City Champ Preview
- Mario Clone Preview
- Blopp +1ED
- Fireblaster Preview
- Crystal Chamber Preview
- Ciphoid 9 +6DIH 101%
- Tales of the Arabian Nights +32D
- Air Sea Battle
- UFO Attack +J
- Looter 100% +1J
- Air Sea Battle +J
- Looter +
- UFO Attack
- Head-On +2D [onefiled]
- Invader Alert +ED 101%
- Savage Island 101% +1S
- Centipede Junior +1J
- Up’n Down +23D [crazy hack]
Download: All Games in One Archive (3211)
The HxC Floppy Drive Emulator is a software and hardware system created by jfdn aka Jeff.
The aim of this project is to replace the floppy disk drive by an electronic device emulating the floppy disk drive (list of supported Computer/Hardware).
There are two differents emulators:
- A USB version which allows to connect the floppy disk drive interface of the computer to a PC via a USB cable.
- A SDCARD version which allows to emulate floppy disks which images are stored in a SDCARD.
Release notes for the HxCFloppyEmulator software v2.0.26.0:
- New Loader : PC Magazine (FLP) file format support added.
- GUI – Track viewer window : Track editing functionality added, internal sanity check added.
- libhxcfe : Casio FZF loader -> non sector-aligned file image size issue corrected.
- libhxcfe : Generic flux stream analyzer enhanced – Track encoding & RPM correctly reported.
- Batch converter : Now use the folder name for the output filename while converting KF stream files (raw).
- FAT12 Disk Browser: PC98 FAT disk support enhanced, free space reporting corrected.
- Raw Loader – Predefined raw formats added (XML) :
- Logical Interchange Format (LIF) 3″1/2 264KB (single side).
- Logical Interchange Format (LIF) 3″1/2 616KB (double side).
- Logical Interchange Format (LIF) 3″1/2 1232KB (HD).
- Logical Interchange Format (LIF) 5″1/4 264KB.
Download:
source: hxc2001.free.fr lotharek.pl
Tandy Radio Shack TRS-80 Data Terminal (DT-1) Repair.
Defects:
- Some keys are dead (X – Z – DEL – ])
- Sometimes the characters typed are uppercase and sometimes lowercase.
- The DT1 Terminal doesn’t turn on the first try.
- Horizontal scan problem. The right side of the image is rolled up on itself.
- Outside ground of the CRT disconnected.
The jobs that have been made:
- Replaced 1 x 74LS138 Demultiplexer (U1)
- Replaced 1 x 74LS240 Octal Buffer/Line Driver (U23)
- Replaced almost all capacitors on the power supply side with the wrong ESR/Capacitance.
- Cleaning keyboard switches. Fortunately these switches can be opened.
- Removed the filter capacitor (RIFA)
- CRT Linearity adjustment.
- Restored the outside ground of the CRT.
Repair Commodore Amiga 3000 Motherboard with Battery leakage
There was once a motherboard of an Amiga 3000/25 devastated of the Battery acid where missings all the socketed components and others are unsoldered and recovered for other things.
The situation was not exactly the best one, in other words … was going into the box of spare parts.
I made the impossible, i have cleaned, scraped and rebuilt many tracks of the pcb corroded by the battery acid and i must say that with lot of patience i have repaired the motherboard giving a new life to this Amiga 3000/25 that he had no many chance to come back to work
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