AppleII

Specification

• Apple II Plus (serial number not found) (+ cards, see below)
• Sony PVM-90CE monochrome monitor
• Dual floppy drive.

Origin

Donated by the University of Antwerp around 1993. The monitor is rumoured to have been their first computer display.

Condition

• Working condition.
• Logo badge is missing.

Expansion Cards

Following cards are installed:

• slot 0: 16KB RAM expansion "language card"
• slot 3: 80 columns display card
• slot 4: Z80 "soft card" for running CP/M (t.b.t)
• slot 6: Disk II interface card

There are bunch of other, currently unused cards:

• D780C (Z80 clone)
• Disk II + Shugart
• Unidentified, has a 26 pin flat cable connector and only an EEPROM and 74LS ICs.
• Unidentified, TV modulator ?

Software

• Apple DOS 3.3 with various programs:
  • Visicalc
  • Games: Castle Wolfenstein
• Prodos 8 v1.9 with ADTpro
• CP/M with various programs (t.b.t)

Data Exchange

Using ADTPro over the audio/cassette port allows to transfer disk images (.DSK) to and from physical 5 1/4" floppies.

It takes about 20 minutes for a 180KB disk side, requires trial-and-error adjusting of mic and headphone volume on the PC side and good audio cables. Once it's set up it is fairly reliable.

Usage Hints

Upon power-on the computer simply shows "COMPUTER" on the top of the screen and infinitely tries to boot from disk.

Pressing reset brings you in Applesoft BASIC (from ROM). From there you can get in the monitor by typing CALL -151

To use disks you must boot an OS like:

• DOS 3.3
• ProDOS 8
• CP/M

Done

The original full-height 5,25" drive got broken. I've replaced it by two (smaller) drives.

To Do

Try CP/M.