A2 Floppy Controllers

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Disk ][ Drive controller 5.25" (20 Pin)

5.25" Recording Method: GCR -- Capacities: SSDD - 140K, 160K.

The Apple Disk ][ Controller can be used for any brand 20 pin 5.25" drive. This controller is used in the Apple ][+ & //e. Can be used in a IIgs as well. This controller will control 1 or 2 drives.

Drives Known to work with this card. (But not limited to these)

Model Name
Manufacture
Model No.
Disk ][ Apple Computer A2M0003 / A2M0004
MicroSci Micro Science A2 / A20 / A80
Quentin Quentin Research AP-100 / 105/ 110
Vista 5.25 Vista Computer/ACP Vista Solo / Quartet / V1200
Elite Rana Systems I / II / III

Apple 5.25 Drive controller (19 Pin)

5.25" Recording Method: GCR -- Capacities: SSDD - 140K, 160K.

The Apple 5.25 Drive controller can be used for any brand 19 pin 5.25" drive. This controller is used in the Apple ][+ & //e. Can be used in a IIgs as well. This controller will control one or two daisy chained drives.

Some compatible drives are:

Model Name
Manufacture
Model No.
Apple Disk ][ Drive Apple Computer, Inc. A2M0003 / A2M0004
Apple UniDisk 5.25" Apple Computer, Inc. A9M0104
AppleDisk 5.25" Apple Computer, Inc. A9M0107
AE 5.25" 19 Pin Applied Engineering AE143

Apple II UniDisk 3.5 Controller (aka the 'Liron' card)

3.5" Recording Method: GCR -- Capacities: SSDD, DSDD - 400K, 800K

The Liron card has an IWM (342-0041) chip in the middle of the card and is labeled "Liron" on the back side. This is the original 3.5" card, also known as the Apple SmartPort card, it is the //c SmartPort on a card and can control external SmartPort hard disks such as the ProAPP, Quark QC-10, Chinook/Squential Systems external //c Hard Drive.

Drive Type
Manufacture
UniDisk 3.5 Apple Computer, Inc.
ProAPP 10, 20, 40 ProAPP, Inc.
Quark QC-10 Quark, Inc.
Chinook CT-20, CT-40 Chinook, Inc.
CT-100 Sequential Systems

Apple II 3.5 Disk Controller (aka the 'SuperDrive' Card)

3.5" Recording Method: GCR -- Capacities: DSDD, DSHD - 400K, 800K. 3.5" Recording Method: MFM -- Capacities: DSDD, DSHD - 720K, 1.44MB.

This is a 3.5" drive controller card made by Apple Computer that can be used with an Enhanced Apple //e or IIgs to use an Apple FDHD (1.44M) drive or other compatible high density drive. Beware that the title of this, 'Apple II 3.5 Disk Controller Card', can be ambiguous, it really is a SuperDrive card, if it came in a brown box and has surface mount IC's on it. It is larger than a Disk ][ controller, where as the other card has "UniDisk" in it's title.

The SuperDrive controller does require a min. of an Apple //e Enhanced.

It will also work with any daisy-chainable 3.5" drive that is capable of plugging into the floppy port on the IIgs or Mac. Such drives are:

Drive Type
Manufacture
UniDisk 3.5 Apple Computer, Inc. A2M2053
AppleDisk 3.5 Apple Computer, Inc.
ASA800K American Micro Research
800K Drive Applied Engineering
1.44M Drive Applied Engineering

UDC / Universal Disk Controller

Supports 5.25 and 3.5 Drives

5.25" Recording Method: GCR -- Capacities: SSDD - 140K, 160K. 3.5" Recording Method: GCR -- Capacities: DSDD - 400K, 800K.

The UDC is manufactured by Video Technology and was also marketed by Central Point. It is an 800K generic type controller that can do every Double Density (or compatible- IE, SuperDrive as 800K) drive that Apple made with ONE exception. The UniDisk 3.5" is NOT compatible with this card. DO NOT ATTACH THE UNIDISK 3.5" to this card. You will KILL both your drive and this card. You have been warned.

Apple II Universal Controller

Supports 5.25 and 3.5 Drives

5.25" Recording Method: GCR -- Capacities: SSDD - 140K, 160K. 3.5" Recording Method: GCR -- Capacities: DSDD - 400K, 800K.

The Apple II Universal Controller, not to be confused with the Video Technology UDC card is equivalent to the Apple IIc Plus SmartPort, where as the Liron card is the Apple //c SmartPort. The Universal Controller is compatible with everything that the IIc Plus and IIgs are. It is a Double Density controller based on the IWM, 342-0041/B as the //c, IIc Plus and IIgs have on board. This card is horrendously rare, if that word is ever appropriate, it is here.

Blue Disk

Supports 5.25 and 3.5 Drives

3.5" Recording Method: MFM -- Capacities: SSDD, DSDD, DSHD, DSED - 720K, 800K, 1.44MB, 1.6MB, 2.88MB 5.25" Recording Method: MFM -- Capacities: DSDD, DSHD - 360K, 1.2MB

The Blue Disk Controller is an Apple II MFM, 34 pin drive controller. Compatible drives are those that are typically found in x86 hardware. The Blue Disk can do 5.25 and 3.5 drives, DSDD and DSHD. 5.25 Disks from the Blue Disk should be considered NOT COMPATIBLE with anything else. 3.5 Double Density disks are compatible with the SuperDrive controller and AE PC Transporter only. 3.5" High Density disks are compatible where ever Apple II's can deal with high density formats.

The Blue Disk does 800K in MFM mode. These disks ARE NOT COMPATIBLE WITH ANYTHING ELSE. BlueDisk 800K is for convienence only, as you may be accustomed to 800K worth of storage when working with Apple II 3.5" disks.


Urphi Controller

Supports 5.25 and 3.5 Drives

3.5" Recording Method: MFM -- Capacities: SSDD, DSDD, DSHD - 720K, 800K, 1.44MB 5.25" Recording Method: MFM -- Capacities: DSDD, DSHD - 360K, 1.2MB 5.25" Recording Method: GCR -- Capacities: SSDD - 140K, 160K.

The Urphi controller is manufactured by Urphi Electronics and is similar to the Blue Disk but it is only for double density drives. 360K, 720K. The Urphi controller also has two Apple 20 pin connectors. The Urphi card is compatible with the Disk ][ Controller as well as MFM double density drives.