The Family Computer System Disk System (HVC-022), abbreviated as FDS, Disk System, or Famicom Disk System, is a floppy disk system outer for the Nintendo Household Video game console, released on February 21, 1986 in Japan.

The Disk System is capable of operating on six C-cell batteries or the provided AC adapter, which is 9V DC, 400mA, with center unfavorable polarity.

RAM Adapter

The disk system affixes to the Famicom making use of a modified cartridge known as the RAM Adapter (HVC-023). The RAM Adapter plugs into the cartridge slot and also attaches to the FDS via a supplied cable.

The RAM Adapter consists of 32KB of RAM for short-lived program storage, 8KB of RAM for tile and also sprite data storage, and also an ASIC referred to as the 2C33. The ASIC acts as a disk controller for the floppy drive, as well as additionally includes additional sound hardware including primitive wavetable synthesis and FM synthesis capacities.


The FDS and also disk cards are well-known for integrity issues, with one of the most notable being the exclusive drive belt dimension and also absence of shutters on the disk cards (with the exception of a couple of video games that later on included them), causing disks to obtain filthy and also information to be corrupted.Read here At our site

Given that Nintendo ceased servicing FDS drives in the early 2000s, replacing drive belts and also calibrating drives is left to those who still intend to pack video games using the disk system. There are only a few overviews available that describe how to correctly carry out a belt replacement, but those normally wear’& rsquo; t clarify exactly how to correctly calibrate the drive when the brand-new belt has been connected if the individual is experiencing disk loading problems. Have a look at the Belt Replacement and Change Tutorial if you require to change the belt in your disk system.

Mistake Codes

When a disk is unable to be correctly read by the system, frustratingly simple as well as ill-explained error messages are displayed on-screen, leaving the customer unclear of the exact issue.

Here’& rsquo; s a list of the FDS Error Codes, which are also made use of by the MGD1 copier:

Err. 01 = No disk card
Err. 02 = No disk power supply
Err. 03 = Disk card is compose protected
Err. 04 = Disk card not authenticated (game manufacturer ID)
Err. 05 = Disk card not verified (video game name ID)
Err. 06 = Disk card not compatible (variation ID)
Err. 07 = Wrong side of disk card set in drive
Err. 08 = Disk card # 1 wrong
Err. 09 = Disk card # 2 incorrect
Err. 10 = Disk card # 3 incorrect
Err. 20 = Display data incorrect
Err. 21 = Disk card header block (Nintendo-HVC) wrong
Err. 22 = Disk card header block #$01 unknown
Err. 23 = Disk card header block #$02 unknown
Err. 24 = Disk card header block #$03 unknown
Err. 25 = Disk card header block #$04 unknown
Err. 26 = Incapable to write to disk card
Err. 27 = Block end mark seen however ends prematurely
Err. 28 = File finishes too soon throughout read
Err. 29 = File ends prematurely during compose
Err. 30 = No space left on disk card (complete)
Err. 31 = Data count in header as well as variety of files on disk card do not match

Nintendo Disk Writer

Disk Writers were offered in many plaything stores, outlet store, as well as also some convenience stores across Japan up until their taking apart in 1993. For the most part, the consumer didn’& rsquo; t in fact utilize these & ldquo; vending equipments.” & rdquo; Rather, you would certainly give your disk to the staff behind the counter who would operate the equipment and also provide you your disk with a new game written onto it.

Disks and also video games were readily available several ways in Disk System land. First, you could purchase an empty three-inch disk for 2000 yen as well as have the game of your option composed onto it for an additional 500 yen. You can use the exact same disk repeatedly, writing in different video games each time. A game-swap expense only 500 yen, contrasted for the 5000 yen rates for cartridge-based games of the time. Also after cart technology went beyond the disks, the Disk System remained preferred simply for this rate factor.

One more way was to get a disk with the video game you wanted already created, complete with handbook, for anywhere from 2600 to 3500 yen. These were referred to as “& ldquo; brand-new & rdquo; disks. These disks can be found in clear hard-plastic instances, as well as were sold with a handbook in one more, softer plastic instance with a sticker securing the case shut. If the seal was intact, after that the disk was thought about never utilized.

Ninety-five percent of video games fall under one of these classifications. Particular video games, mainly 1988-89 period Disk System ports of old Nintendo or Konami-made cartridge games, were readily available on disk entirely by means of the Disk Author and might not be acquired on disk separately.

Specific other video games, like Topple Zip and also Hikaru GENJI: Roller Panic, were sold only on their own; you couldn’& rsquo; t write them via the Disk Author. A lot of these independent video games had cooler product packaging than routine cartridge games, as well as some came with little playthings or numbers (Roller Panic can be found in a CD situation with a ton of giveaways inside). Nintendo was evidently a little a lot more lax in their Disk System packaging guidelines than on normal Famicom cart packaging.

Porno video games were also not sold by means of the Nintendo-owned Disk Writers. A lot of titles were offered in record album-style level situations, however one or two were offered in the traditional Hacker International-style VHS cassette sized plastic instance. Cyberpunk reverse-engineered the disk style circa 1988, long prior to they started releasing Famicom cartridge video games of their own.

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