A2 Peripherals - wiki.apple2.org

A2 Peripherals

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Other Perihperals (Not nessarily cards)

No Slot Clock

The No Slot Clock is a chip like device that can be used directly in the Apple //e, //c or Laser 128.

It can also be used in the Apple II+, Franklin ACE 1000 or other slotted Apple II clone with ANY peripheral card or other ROM device with a 28 PIN ROM ON BOARD ANYPLACE!.

The No Slot Clock is ProDOS compatible when its driver is installed in ProDOS during the boot process. It replaces code internally in ProDOS to make ProDOS think there is a ThunderClock like card installed in the machine, and will automatically time and date stamp all disk activity, and applications like AppleWorks that utilize a clock can use it without any modifications.

It is also compatible with DOS 3.3 and is supplied some sample code to integrate it into your own programs. Sample code and documentation is supplied for use in both, ProDOS and DOS 3.3.

These are the common places where the No Slot Clock is installed in various computers.

Apple II+ Not Directly Installable. Need 28 PIN Based ROM
Apple //e Installed under the CD ROM on the motherboard.
Apple //c Installed under the Monitor ROM on the motherboard.
Apple //c Plus Installed under the Monitor ROM on the motherboard.
Apple IIgs You DONT need the NSC in a IIgs!!!! A Clock is built in!
Laser 128 Under the ROM behind the metal cover on the bottom
or in a 28 pin ROM socket on a card in the external slot box.
Franklin ACE 1000 Not Directly Installable. Need 28 PIN Based ROM.
IBM XT Whoops, wrong topic!

Gameport I/O Devices

Koala Pad

The Koala Pad connects like a joystick but it is a flat surface that you use a pointer on. It is mainly used for things like painting or drawing. Possibly, even working with something like Mouse Desk or GEOS. It's really not very good for playing games. There are 16 and 9 pin versions.


A joystick is an input device that is mainly used for playing games. Most have 2 buttons, some have four, in most cases, adjustment knobs so you can adjust the center axis. It can also be used for such things like GEOS or MouseDesk.

NOTE: Keep in mind, a joystick or Koala Pad is NOT considered a REPLACEMENT for a mouse and should NOT be considered where a mouse can be used. You may be disappointed if you go this route. In keeping with the same guidelines, a mouse will not do what a joystick will do.


Paddles for the Apple are really nothing less than a joystick split in half, and instead of the stick, its a wheel you turn. Tennis type games used these, and music programs would use these for inputting data. If you are REAL good, you might be able to use paddles instead of a joystick, but that is highly doubtful.

Joystick/Paddle Usage Chart

Apple ][/][+ 16 Pin connector only.
Apple //e DE-9 and 16 Pin*
Apple //c,//c+ DE-9 connector only.
Apple IIgs DE-9 and 16 Pin*

  • *The use of a 16 pin type joystick or other input device on a //e or IIgs is limited by the type of cable used for the device. Most 16 Pin devices have a fat strain relief sleeve on the cable that is meant to slide into a 'slot' on the backplane of the ][+ case. If this is the device you intend to install has this sleeve, it is quite possible it may not reach the 16 pin connector on the IIgs motherboard. It is also possible that the packaging around the 16 pin DIP header may be to large to fit through any of the holes in the back of the //e or IIgs case making the device unusable. They can be made to fit by slowly sticking it through the round holes, but this is not always the case.

ImageWriter II/LQ Buffer Cards

This is an internal buffer ad on for the Apple ImageWriter II and ImageWriter LQ printers. It installs inside the printer under the front cover. On the ImageWriter LQ it installs toward the back of the printer, instructions for installation can be found in the owners manual.

Product Examples

Product Name Manufacturer Size

Product Name
ImageWriter II 32K Expansion Apple Computer 32K
ImageWriter II 32K Expansion Apple Computer 32K
ImageBuffer II Orange Micro 128K
Q:Buffer Sequential Systems 32K
MegaBuff Sequential Systems 1024K
Q:Talk LTO Sequential Systems 32K & LocalTalk Opt.

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