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Commodore 1540 The Commodore 1540 (also known as the VIC-1540) was the companion floppy disk drive for the Commodore VIC-20 home computer. Because of the low price of both the VIC-20 and the 1540, this combination was the first computer with a disk drive to be offered on the US market for under $1,000, although the combination of the Commodore 64 and 1541 would prove more enduring. The 1540 was an "intelligent peripheral" in that it had its own 6502 CPU (just like its VIC-20 host) and a resident DOS on-board in ROM – contrary to almost all other home computer systems of the time, where the DOS was loaded from a boot floppy¹ and was executed on the computer's CPU. www.teachtime.com /en/wikipedia/c/co/commodore_1540.html   (296 words)

Commodore 1540 - Wikipedia, the free encyclopedia The Commodore 1540 (also known as the VIC-1540) was the companion floppy disk drive for the Commodore VIC-20 home computer. Because of the low price of both the VIC-20 and the 1540, this combination was the first computer with a disk drive to be offered on the US market for under $1,000, although the combination of the Commodore 64 and 1541 would prove more enduring. The 1540 is relatively rare because the C64 followed close on the heels of the VIC-20, so the 1540 was quickly discontinued. en.wikipedia.org /wiki/Commodore_1540   (278 words)

Commodore 1541 - Wikipedia, the free encyclopedia The reason why Commodore decided not to use the upper five tracks by default (or at least more than 35) was the bad quality of some of the drive mechanisms which did not always work reliably at the highest tracks. Commodore 1541-II, the second of two upgraded versions of the CBM 1541 (the first upgrade was the 1541C). The Commodore 1570 was an upgraded 1541 for use with the Commodore 128, available in Europe. en.wikipedia.org /wiki/Commodore_1541   (1869 words)

NationMaster - Encyclopedia: Commodore VIC 20 Commodore BASIC is the dialect of BASIC used in Commodore Internationals 8-bit home computer line, stretching from the PET of 1977 to the C128 of 1985. An anecdotal bit of evidence to support Commodore's statement that the VIC-20 could be used not only for games but also as a serious introduction to computing, can be said to originate in the fact that a young Finn called Linus Torvalds was given a VIC-20 as his first computer. The Commodore SX-64, also known as the Executive 64, was a portable, briefcase/suitcase-size luggable version of the popular Commodore 64 home computer and holds the distinction of being the first full-color portable computer. www.nationmaster.com /encyclopedia/Commodore-VIC_20   (3218 words)

Commodore computer history and repair information Commodore compatible floppy drives made by other manufacturers also emerged, but they were independently developed (for the most part) due to the fact that the Commodore 64 and 128 drives were "intelligent peripherals" possessing chips that Commodore had decided not to license or supply to its competitors. Commodore owners were thrilled that they could have a computer which could perform nearly like the Macintosh-- for just a small percentage of the price of a Macintosh-- while still having color graphics and sound which surpassed the capabilities of the Macintosh. Commodore even developed an incredible interactive stand-alone CD unit (based on the Amiga technology) called the CDTV which (along with Philips CDI) were the predecessors to many of the CD-based interactive game systems which followed. www.oldsoftware.com /history.html   (6072 words)

Floppy disk - Wikipedia, the free encyclopedia Commodore started its tradition of special disk formats with the 5¼-inch disk drives accompanying its PET/CBM, VIC-20 and Commodore 64 home computers, like the 1540 and (better-known) 1541 drives used with the latter two machines. Eventually Commodore gave in to disk format standardization, and made its last 5¼-inch drives, the 1570 and 1571, compatible with Modified Frequency Modulation (MFM), to enable the Commodore 128 to work with CP/M disks from several vendors. Commodore never upgraded the Amiga chip set to support high-density floppies, but sold a custom drive (made by Chinon) that spun at half speed (150 RPM) when a high-density floppy was inserted, enabling the existing floppy controller to be used. en.wikipedia.org /wiki/Floppy_disk   (10423 words)

Commodore 64 :: View topic - What difference of 1540 and 1541 ? The 1540 was the first disk drive on the new Commodore serial bus. Unfortunately, due to a timing error in the new I/O chips, the engineers were forced to slow down the throughput of this drive considerably. When the Commodore 64 was designed, instead of fixing this problem, Commodore decided to keep the C64 compatible with this disk drive by slowing it down as well. www.lemon64.com /forum/viewtopic.php?t=18995&view=previous   (281 words)

Classic Computers: The Commodore VIC20   (Site not responding. Last check: ) The Commodore VIC20 computer was a low cost home computer designed for people interested in learning BASIC programming and for use as a game machine. The Commodore keyboard has three keys between the "L" and the "Return", instead of the more typical one or two. The Commodore keyboard includes most all standard ASCII characters, the only ones missing are characters 96 and 123 though 126 (`, {, , }, and ~). www.rdrop.com /~dano/pc/cbm/vic20.html   (449 words)

8-Bit-Nirvana: Commodore 64 Der VIC ist aber auch nicht schlecht, neben den beiden vorgesehenen Grafikmodi (320 x 200 in 2 Farben und 160 x 200 in 4 Farben) bietet er vor allem acht sehr flexible, unabhängige und leicht zu steuernde Sprites, was für Spiele natürlich ein enormer Vorteil ist. Der Commodore 64 hat während seiner langen Lebensdauer einige Änderungen durchgemacht, was zu insgesamt mindestens sieben unterschiedlichen Versionen geführt hat. Commodore hat sich dieser Fehler schnell angenommen - leider zu schnell, denn auch Rev. 2 ist nicht unbedingt fehlerfrei. www.zock.com /8-Bit/D_C64.HTML   (1490 words)

Sordis international Commodore soon had a profitable calculator line and was one of the more common brands in the early 1970s, producing both ordinary as well as scientific/programmable calculators. Commodore had to be rescued once again by an infusion of cash from Gould, which Tramiel used beginning in 1976 to purchase several second-source chip suppliers, including MOS Technology, Inc., in order to guarantee supply. Commodore UK was the only subsidiary to survive the bankruptcy and even placed a bid to buy out the rest of the operation, or at least the former parent company. www.sordis.com   (8479 words)

The Pre-C64 History of Jack Tramiel and Commodore Computer Commodore is still in financial trouble and Tramiel has to sell 17% of the company to investor Irving Gould. Commodore pioneered the introduction of the electronic calculator on the american market and managed to develop a model that was state-of-the-art for some years to come, using an integrated circuit from Texas Instruments and a Bowmar LED-display. Apart from the Commodore line of computers, the MOS 6502 (or variants) was used in systems like the Atari VCS 2600 and 8-bit computers, the Apple I and II, the BBC Micro and the Nintendo NES. www.skillreactor.org /tutortxt/jtramiel   (4035 words)

The Geek Room My setup consists of a Commodore 128, Commodore 1084 monitor, Commodore 1541II disk drive, CMD FD-2000 disk drive, Okidata 120 Dot Matrix Printer, CMD Turbo232, Commodore 1750 REU, VIC-20, Commodore 1701, and Commodore 1540 disk drive. I initially planned to get rid of the PC monitor (it isn't strictly necessary), but it turned out to be so useful for Star Commander and 64Copy that I kept it. The Commodore logo is a great quality vinyl decal from LinusCo Designs. www.eskimo.com /~areed/geek.htm   (200 words)

HCC - Commodore GG De 1540 was de eerste diskdrive die via de nieuwe serieële aansluiting van de computer zou gaan werken. The first disk drive on the new Commodore serial bus was the inexpensive disk drive VC 1540, it came together with the low priced VIC20. Like all Commodore disk drives, these drives were "smart" devices. commodore-gg.hobby.nl /vc1540.htm   (396 words)

::: larwe.com - commodore 128 ::: MOS 6510 for Commodore 64 compatibility mode (and native C128 mode) and a Z-80 for CP/M mode. Commodore also had two drives specifically designed for use with the C128 - the single-sided 1570 and the double-sided 1571. By using the GO 64 command, or holding down the Commodore key at startup, you can boot into C64 mode, which is close to 100% compatible with Commodore 64 software. www.larwe.com /museum/c128.html   (399 words)

HCC - Commodore GG   (Site not responding. Last check: ) In navolging van de redelijk betaalbare VIC-20 wilde Commodore zo snel mogelijk ook een aantrekkelijk geprijsde diskdrive op de markt zetten. De 1540 was de eerste diskdrive die via de nieuwe serieële aansluiting van de computer zou gaan werken. The first disk drive on the new Commodore serial bus was the inexpensive disk drive VC 1540, it came together with the low priced VIC20. www.hobby.nl /~commodore-gg/vc1540.htm   (396 words)

Commodore 64 computer In a 1989 interview, Sam Tramiel, then-president of Commodore, said that "When I was at Commodore we were building 400,000 C64s a month for a couple of years." It is to be an enhanced Commodore 64 with 128KB RAM expandable to 896KB. 1982: Commodore releases the 1540 Single-Drive Floppy for the VIC-20. oldcomputers.net /c64.html   (1347 words)

Commodore Vic 20 The Vic-20 was a predicessor to the Commodore 64. The reason was because the Commodore 64 ran just a tiny bit slower due to the fact that it had more screen memory to refresh and it was therefore not compatible with the 1540. I have a beat-up but functioning commodore 1541 disk drive my uncle left it behind when i was little and i took pretty good care of it even though i have no use for it... www.vintage-computer.com /vic20.shtml   (2186 words)

Marko's Commodores   (Site not responding. Last check: ) Like most Commodore enthusiasts, I started with the Commodore 64 in 1986, and almost abandoned it when I bought my first PC compatible in 1991. This unit is the first 64c generation; it has the 3rd revision circuit board (with the 8701 as the clock generator), not the new BN/E board that was used in newer 64c and 64G models. This is an external RAM expansion for the Commodore 64 and the 128, and it has an on-board DMA controller, which makes the memory accesses fast. www.tkk.fi /Misc/cbm/cbm-msmakela.html   (2045 words)

The Bleeding Edge of Technology The microprocessor in the Commodore 64 is a Motorola 6510. I suspect part of the reason the Commodore 64 had 40 columns even though the Commodore PET model by 1982 used 80 columns is the PET forced the use of a dedicated monitor, as it was part of the same box the computer was encased in. Commodore seemed to have the intent of easily creating a good amount of graphics on a machine like the PET that did not allow pixel-level graphics. home.att.net /~arendtj/alan_c64_h_01.html   (11263 words)

Commodore.ca | Manuals | Commodore Computer Manuals, Diagnostics, & Schematics Commodore 1540 / 1541 Floppy Drive Technical Service Manual and Schematics Commodore / MOS KIM-1 Series of Manuals and Schematic Commodore PET Digital Floppy Drive Schematics, Parts, and Assembly www.commodore.ca /manuals/default.htm   (555 words)

Commodore SR 1540 Als Rechnerbaustein wurde teils ein Commodore GHU-02A (etwa in der Seriennummer 00433), teils ein GHU-03A (etwa in der Seriennummer 03186) eingesetzt. Ein SR 1540 mit einer anderen Digitronanzeige und auch anderen Treiberbausteinen. Schmidts SR 1540 können in seinem Wohnhaus in Bargfeld besichtigt werden. www.rechenkasten.de /ScientificDesktops/Commodore_SR_1540   (475 words)

Neural Network on a Commodore 64 Researchers are beginning to discover principles which may explain how the brain works, and while much of this research is extremely complicated and requires large, expensive computers, your Commodore 64 can be programmed in BASIC to mimic one fundamental part of brain function, pattern recognition. In doing this, your computer is not only doing something the brain does (and your reaction may be "I didn't know a computer could do that!"), it's doing it the brain's way--by simulating the neurons (brain cells) with which you think. Compare this to the read-write memory of the Commodore 64, which is made up of about a quarter million transistors, and remember that each transistor is only a switch--far simpler than a neuron. www.fourmilab.ch /documents/c64neural.html   (1852 words)

Commodore 1540/1541 Service Manual Commodore 8-bit server maintained by Marko Mäkelä, specially The Document Page. Commodore B Series resource maintained by Edward D. Shockley Commodore Computer - A Canadian site with a gallery, advertisement & documentation archive, and more www.devili.iki.fi /Computers/Commodore/C1541/Service_Manual   (175 words)

Armchair Arcade: Forums / General Discussion / Commodore Vic 1540 Drive: What next? Okay...I thought I had ordered a Commodore 1541, but I ended up with a "Vic 1540 Drive." Apparently, this model isn't compatible with a C-64, though I have neither a Vic or a C-64 to try this out on. With blanking the screen you speed up the c64 just a whee bit so that it is able to communicatie with the 1540 correctly. The old 1540 is a bit too fast for the c64. www.armchairarcade.com /aamain/forum_viewtopic.php?2.2279   (992 words)

TOTAL - Online Information article about TOTAL Easter Island, some of the northern islands of the Paumotu Archipelago, and (as is generally supposed) a part of the Samoan group. COMMODORE (a form of " commander"; in the 17th century the term " commandore " is used) Anson in 1740-1744 was for purposes rather of war than of exploration, and Commodore John See also: encyclopedia.jrank.org /TOO_TUM/TOTAL.html   (4454 words)

STADIUM 64 - Manuals Archive: Richard Petty's Talladega After some experience you should learn to anticipate what many of the other drivers have planned, but watch out for Richard Petty...after 200 Grand National wins, he's not going to be easy and the KING doesn't like to lose! 4.) At this point, press the Commodore key (the key with the Commodore logo next to the shift key on the lower left of the keyboard). Note: It is good idea to press the stop key on the Datasette and then rewind the tape to the beginning. s64.emuunlim.com /manuals/richardpettystalladega.htm   (3476 words)

8-Bit-Nirvana: Commodore VC 1540 Mit der VC 1540 brachte Commodore erstmals ein Diskettenlaufwerk heraus, das nicht wie bisher bei den CBM-Rechnern üblich über eine IEEE-488-Schnittstelle, sondern über einen seriellen IEC-Bus betrieben wird. Zahle gut oder tausche gegen andere commodore sachen. Auch andere (ausgefallenere) Commodore oder CBM-Geräte könnten von Interesse sein. www.zock.com /8-Bit/D_1540.HTML   (370 words)

Commodore, Pennsylvania (PA) Detailed Profile - relocation, real estate, travel, jobs, hospitals, schools, crime, news Back to Commodore, PA housing info, Indiana County, Pennsylvania, PA smaller cities, PA small cities, All Cities. Recent posts about Commodore, Pennsylvania on our local forum with over 200,000 registered users. On 6/3/1980, a category 4 tornado 39.1 miles away from the place center injured 140 people and caused between $50,000,000 and $500,000,000 in damages. www.city-data.com /city/Commodore-Pennsylvania.html   (1120 words)

Computer Coliseum Navigation is accomplished by using the main menu on the left. Commodore Amiga 500 - Donovan Marshall's Computer Collection Commodore MOS Technology KIM-1 - 8-Bit Nirvana - www.earthstation9.com /commodore.htm   (233 words)

Commodore Links Commodore Users of Edmonton has a small but growing archive of GEOS software Hardware technician Ray Carlsen has Commodore repair articles and hard to find schematics. Commodore Techtopics and Official CBM Service Manuals for C-64, Plus 4, 1541, 1571, 1581, 2031, 8050 and Datasette www.geocities.com /profdredd/commodore_links/golinx64.htm   (1720 words)

Commodore.ca | Manuals | Commodore 1541 Floppy Drive Technical Service Manual Commodore Manuals for PET 2001, 4032, 8032, B Series, 64, 128, KIM-1, 1541 Drive & Much More. Commodore 1540 / 1541 Floppy Drive Technical Service Manual Commodore 1540 / 1541 floppy drive and controller schematics including many from Commodore Engineering in Osaka Japan www.commodore.ca /manuals/1541_drive/1541_drive.htm   (87 words)

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