Collectors enjoy the challenge of trying to get a machine with each type and revision of board, and knowing the characteristics of each board can help someone puzzle out the history of a. The ramboard, standard version for the commodore 1541. The xa1541 active cable the joe forstersta homepage. The 1541 s numerous shortcomings opened a market for a number of thirdparty clones of the disk drive, a situation that continued for the lifetime of the c64. A commodore makes no expressed or implied warranties with regard to the information contained herein. The rom would be replaced with the 2031 rom actually a patched rom to make the 1541 act like a 2031. The all purpose commodore 64 is the complete computer for education, home or small business applications. The manual for the commodore 1950 multiscan color monitor is.
Service manual model 15401541 disk drive preliminary. Using an internet modem, you can access the internet from your commodore 64 with software you download here. A new call for contributions to this web site, including manual scans and scans or. Id like to add real time clock to my c64 to use it under geos and maybe other apps. Commodore 64 drivers disks, c64 drivers, roms, manuals. Commodore makes no expressed or implied warranties with regard to the information. The commodore 1541 disk was a popular disk format used on commodore 64 computers. Please make note that the schematics are a3 in size, thus larger than the regular pages which are a4. This is a commodore 64 compatible expansion port cartridge that carries an action replay and final cartridge iii whichever the user prefers.
The commodore disk drive 1541 or cbm1541 early models. Later rom revisions fixed assorted problems, including a software bug that caused the. The technical reference manual for the amiga 5002000 is now added to the site. Commodore 1541 disk drive to 2031 conversion tynemouth software. Its a substitute for the x1541 cable, xe1541 extended cable and xm1541 multitask cable and has been designed to work in all modes of all parallel ports on all pc motherboards. Mar 06, 2019 the 2316 and 2716 are 2kb roms but are not common on commodore equipment.
The information is made available solely on as is basis, and the entire risk as to quality and accuracy is within the user. Later, a smaller, sleeker 1541 ii model was introduced, along with the 800 kb 3. In order to avoid having to write all the necessary pc software, the xu1541 was designed to easily integrate into existing software developed for the original x1541 parallel cable family. Obviously, i wouldnt be myself if i left it like this so when i finally had a bit of free time seriously, just a tiny bit i decided ill refurbish it. Reverseengineered schematic diagram of the 110volt 1581 and 1541ii power supply. Dec 15, 2010 all commodore drives have two serial ports.
And bmp data just wanted to provide an excellent service. Replacing the 1541ii 1571ii 1581 drive power supply. Sign up a commodore cbm 1541 emulator on the arduino uno, using any desktop pc or raspberry pi with raspbian as a media host. View and download commodore 1541 ii user manual online. Commodore made the c64 for about 11 years, so its probably no surprise they went through several commodore 64 motherboard revisions during that time. Commodore 64 programmers reference guide 1983 commodore topics. Reverseengineered schematic diagram of the 110volt 1581 and 1541 ii power supply.
The 1541 was the standard floppy disk drive for the commodore 64, with nearly all diskbased software programs released for the computer being distributed in the 1541 compatible floppy disk format. The 2316 and 2716 are 2kb roms but are not common on commodore equipment. The pi1541 on the other hand is a true commodore 1541 emulator. Vic1541 single drive floppy disk users manual, commodore computer. On the 1541ii are two dipswitches to change the device number default 8 to any. V 1541 uses the rs232 port to communicate with the server, so a serialtoethernet adapter is required. Commodore 1541ii user manual pdf download manualslib. Disk drive 1541ii benutzerhandbuch 198x commodorede.
The 1541 was very slow in loading programs because of a poorly implemented serial bus, a legacy of the commodore vic20. I found out that i own two commodore 1541ii disk drives, both in a nonworking state. Mar 20, 2020 1541ii so i have this commodore 1541ii floppy drive that is a bit yellowed, missing serial cable and a power supply. An all too common item to be seen next to the c64 was the 1541 floppy disk drive. The 1541 ultimate is a project by the dutch hobbyist vhdl developer gideon zweijtzer. The disks in their standard formatting had 35 tracks with from 17 to 21 sectors in each outer tracks had more sectors, for a. Its main feature is fullycompatible fpgabased commodore 1541 emulation that is fed from a builtin sd card slot with c64 compatible files e. It has been listed in the guinness world records as the highestselling single computer model of all time, with independent estimates placing the number sold between 10 and 17. There is even a reverse engineered diagram of the 1541ii drive. Commodore 64 schematic diagram, scanned with 360 dpi, 2 colours.
The v 1541 disk contains files to allow a stock commodore 64 computer to access files on with standard load and save operations and, as of 2. C64 computer general description the all purpose commodore 64 us the complete computer for education, home or small business applications. If you want to join us and get repairing help please sign in or sign up by completing a simple electrical test. If you would like to support the channel via patreon keep the channel running this disk drive. View and download commodore 1541ii user manual online. Commodore 1541 ii mitsumi floppy disk drive repair service. Later the 2031lp was produced, using the case and drive mechanism from a 1541. The 2364 is an 8kb prom and is the same pinout as the 24pin roms used in the original c64 and 1541, like 9012270x kernal in the c64 or 9012290x kernal in the 1541. Model 15401541 disk drive november, 1985 pn31400201 commodore business machines, inc. The commodore 64, also known as the c64 or the cbm 64, is an 8bit home computer introduced in january 1982 by commodore international first shown at the consumer electronics show, in las vegas, january 710, 1982. Topics ohm, diskette, commodore, pin, parts, pcb, schematic, fdd, parts list, chinon, rad cer, screw tapping, drive assy, pin shielded. The 1541 ii has the more modern radial handle locking mechanism.
The xa1541 active cable is a serial cable that connects commodore machines or drives to the pc parallel port. C64 real time clock id like to add real time clock to my c64 to use it under geos and maybe other apps. User manuals, guides and specifications for your commodore 1541 ii storage, toddler feeding. Or for anyone who just wants to attach a device to their system for actual use. Model 1540 1541 disk drive november, 1985 pn31400201 commodore business machines, inc. Another feature is that i do not only give you a schematic and a description of it, i also supply a description how to do it on a 1541ii. With these you will be able to dial into old school c64128 bbs that have been converted to telnet from dialup. It uses a copy of the original rom images from the commodore 1541 and a full 6502 emulator to present itself to the computer as a true drive in every way. Commodore 64 games and software and commodore 128 and 64.
Commodore 64 c64 computer owners service manual with. Questron ii commodore 64 c64 game with manual and command card tested. Geratenummer 8 bis 15 softwareseitig andern bis zum nachsten ausschalten. A few of the disks have programs on them, and i can successfully list the contents of the disk. The software is free and the extra hardware the pihat needed to complete the device is pretty simple and relatively inexpensive. I ended up buying a trsf, model tr05hhd, power supply which is able to deliver. Commodore 1541 ii, the second of two upgraded versions of the cbm 1541.
V1541 uses the rs232 port to communicate with the server, so a serialtoethernet adapter is required. The 1541 ultimateii documentation and the quick guide for rev 2. The output pin out is noted on the power supply so figuring out the pin configuration on the drive shouldnt be a drag. Aug 01, 2016 later the 2031lp was produced, using the case and drive mechanism from a 1541. Jan 16, 2016 now this power supply sports a 6 pin mini din male connector and the 1541 ii 1571 ii 1581 are equipped with a 4 pin regular size din female connector. It was a computer because it did contain a microprocessor this one, in fact. Pi1541 commodore 64 128 pi 1541 hat with oled display for the. Database contains 2 commodore 1541 ii manuals available for free online viewing or downloading in pdf. Commodore c128 power supply schematics service manual.
It was a 5 14 singlesided disk with a capacity of 170 kilobytes. Not only is the commodore 1541 said to be the worlds slowest disk drive, but its also big, bulky, noisy and has a reputation of being unreliable. Mar 12, 2009 the commodore 64 is to date the bestselling computer of all time and hasnt been topped. The only current example for the latter is nibtools, which is a nibbler software for 1541 drives that runs on a pc.
The commodore 1541 is a floppy disk drive which was made by commodore international for. Commodore 64 motherboard revisions the silicon underground. Now this power supply sports a 6 pin mini din male connector and the 1541 ii 1571 ii 1581 are equipped with a 4 pin regular size din female connector. The 2364 is an 8kb prom and is the same pinout as the 24pin roms used in the original c64 and 1541, like 9012270x kernal in. Commodore pc tools tools specific to transferring software between a pc and a commodore 12 5. The v1541 disk contains files to allow a stock commodore 64 computer to access files on with standard load and save operations and, as of 2. How to connect commodore disk drives the silicon underground. Replacing the 1541ii 1571ii 1581 drive power supply 8. Commodore 64 programmers reference guide 1983 commodore commodore c64 manual.
Commodore 2031, 4040, 8050, 9060, 1541, 9090 disk drive specifications 1983 2 pages reproduced march 17, 2004 from transactor vol 4 issue 5 fall 1983 with permission from bruce beach commodore 64 sid sound chip note values 1983. According to him, you have to break the case open to get inside. You perhaps may want to recombine the both halfs with a photo manipulation software. Could this be from a time before the law changed that hardware and software should have a danish manual. This actually was in fact more than just a disk drive. Commodore 1541 disk just solve the file format problem. Commodore 1541 troubleshooting and repair guide c64. Since the schematics of the 1541 and 2031lp were very similar, the idea was to take a 1541 drive and modify it to match the 2031lp schematic. A special feature of this project is that no additional board is needed. Testing with a measuredgood psu, i got the following results with both drives.
Commodore 64 c64 computer owners service manual with schematics. Compatibility with commodore diskbased copy protections. Here youll find new and used hardware, software and accessories, games, educational programs, joysticks, power supplies, cables, books, graphics, public domain and shareware programs and and all sorts of other items which you probably thought werent available anymore. If youre into retrocomputing and have a commodore 8bit computer, such as the commodore 64 or commodore 128, youre going to love this project. Commodore service manualrepair manualsowners manuals. The bestknown floppy disk drive for the c64, the 1541 is a singlesided 170kilobyte drive for 5. Jameco sells a case that can be used to replace it. Commodore 1541ii disk drive users guide 1986commodore. The 1541 drive received a matching facelift, resulting in the 1541c. The commodore line of 8bit computers used a disk drive called the commodore 1541 later the 1571 and 1581. The 1541 directly followed the commodore 1540 meant for the vic20. The cartridge is also available at the protovision shop. Its time to virtualize your disk collection upload your d64s and manipulate disks virtually using v1541. The commodore 1541 also known as the cbm 1541 and vic1541 is a floppy disk drive which was made by commodore international for the commodore 64 c64, commodores most popular home computer.
Oct 19, 2018 commodore made the c64 for about 11 years, so its probably no surprise they went through several commodore 64 motherboard revisions during that time. Supported by quality peripherals and a full range of software, the commodore 64 is perfect for the family. The 1541ii, 1571 and 1581 have a set of dip switches on the back to set them to device 8, 9, 10, or 11. Its compatible with all parallel ports and with all commodore machines. The commodore 1541 also known as the cbm 1541 and vic 1541 is a floppy disk drive which was made by commodore international for the commodore 64 c64, commodore s most popular home computer. Although not officially supported by commodore, the rom code from the 1541 ii but not that from the 1541 c can be burned into a pair of eproms and used in the original 1541 model if you. The xu1541 was designed to be made of easily obtained parts, easy to assemble and cheap.
Some of the material below is from the web and some of them are from my own collection. No other computer can offer such variety of uses and applications at such an affordable price. Commodore makes no expressed or implied war ranties with. You will probably be fine with the c64 dead test rev 781220 and c64 diagnostic kit 3260701 rev 586220588220 for the c64. This seems to be the same buggy schematic that was published in the commodore 64. Ramboard version specialised for installation into the 1541ii as well as the 1541c. Commodore makes no expressed or implied warranties with regard to the. May 14, 2014 1541 why so complicated the commodore 64 has a disk drive that is unique in many ways.
Posted in datamedia tagged 1541, 1541c, disk, drive, manual leave a reply commodore 1541ii disk drive users guide posted on may 31, 2019 by carsten jensen. This area of my website is dedicated to helping commodore 64 users who need to test a certain piece of standard or non standard hardware. The commodore 64 is to date the bestselling computer of all time and hasnt been topped. The longboard 1541 had the same hardware as the 1540. On this 1541ii, its the two circular ports on the far left. With a transfer software and a serial cable only, you may be able to transfer simple copy protections. Commodore 1541 dos commands june, 2014 commodore 1541, c64 jay versluis the 1541 floppy drive was equipped with its own mos 6502 chip and was therefore capable of understanding and executing its own commands to format the disk, copy files, erase files, etc. The information is made available solely on as is basis, and the entire.
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