Apple II

Super 5 (Teac) analog board (clonelike disk II)

Hi there,

I am seeking to repair an old 'Super 5' (Ei En Enterprises) floppy drive. This is a clone drive made in Japan and based on a Teca FD54a drive.  

This one may have been plugged in incorrectly a long time ago and has damage to chips on the analog board (one chip actually split open IC7).  

Issue with repairing is that the original manufacturer has removed the tops and labelling of almost every (except one) IC.  

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Replacement ports for the Apple IIe?

I've got an Apple IIe that I recently acquired and I've been working on getting it cleaned up and working and I noticed that all the ports on the back (specifically the composite video, cassette in and out and the joystick port) have some corrosion on them and I was wondering if anyone knows what the proper parts to order to replace these is? 

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Disk II drive issues

Has anyone actually seen the stepper motors fail on these things? I've got one that I've cleaned up rail-wise, and the head-bang is very soft, and the thing doesn't step properly. I've checked it out with another analog board and it does the same thing.

 

With regard to the stepper motor, I know I can find them online (I looked), but what sort of realignment is required if its replaced?

 

Apprecaite any guidance. Essentially the drive does not seek. I confirmed motor speed is within tolerance.

 

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the-32-bit-6502-you-never-had

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Apple IIc first release, Mockingboard 4c and zipchip 8000

Apple IIc first version: has anyone ever tried, or knows if it's possible, to install the Mockingboard 4C and the ZipChip 8000 on it? If you remove the reinforcement under the keyboard, can you close the case?
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Apple IIe School Networking

I recall back in elementary school a computer lab we had. It was all IIe machines, and they had a box attached to them with a ribbon cable. The box had LEDs and pushbuttons on the front, I seem to recall they said "SIDE A" "SIDE B" and "LOAD".

 

The things were all networked back to a main machine that had disk drives on it, and a more advanced box attached. As I recall you loaded the desired software disk into the main unit, and the workstations could then "load" off the main system.

 

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IIe potential RAM issue

I've got a IIe with logic board part number 820-0064-C. It appears to be a non-enhanced version.

 

When I hold down the apple keys and power on, it shows "RAM:" and sits there. ONE time I was able to get "RAM: F13 F12 F11 F10 F9 F8 F7 F6", but that doesn't much make sense. I can't get anything to boot properly either. Comes up to the Apple ][ display and the BASIC prompt but won't boot anything off of disk completely.

 

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A is for Apple

Apple IIgs problem

Hello. I encountered a problem when running a program on an Apple IIgs: SHGR buffer already allocated. What should I do?

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Apple IIc DVI/hdmi video & audio

I’m excited to announce version 1.8.0 of A2C_DVI with audio support!  The 1.8 version of the firmware supports A2CDVI hardware that supports audio and video output to your DVI/hdmi display. Joshua (MrTechGadget) is also announcing immediate availability of his A2CDVI 2.5 hardware, supporting audio for $35!   ( https://www.tindie.com/products/mrtechgadget/a2cdvi/ ).  For folks that bought Josh’s v2.0 hardware, check your email for a $10-off coupon. Firmware sources are available here: ( 

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