APPLE IIc A2S4000 COMPUTER ROM 0, AE Z-Ram Ultra 3 memory extended 1024K WORKS!All in great working condition. Apple IIc computer A2S4000, Applied Engineering Z-Ram Ultra 3 memory extender card RARE! COOL!, includes books as shown, original power supply, cables, NO MONITOR INCLUDED. Joe's Computer Museum A2CDVI v2.5 – Apple IIc Digital Video Adapter works great! The signal is output to an HDMI-compatible connector so LCD big screen! Whooooa! Sweet! Maybe get one.The floppy drive head has been cleaned and overall the drive is clean and tested. Motherboard looks very nice. Computer case has a crack patched with super glue and some chips, see photos.Tests performed - See screenshots. Screenshots are from a monitor not included. Built-in Diagnostic test - System OK.
MECC Computer Inspector - Disk Drive tests and extended RAM memory tests.Manual tests of power connector, RCA monitor jack, 15 pin monitor connector, joystick connector, and 19 pin external disk drive connector all work. Speaker works. Not able to test headphone, printer, and telecom ports.Battery VARTA 3.6v 100mAh probably dead on the Applied Engineering Z-Ram Ultra 3 memory extender card. It is over 40 years old, not blown up, yet. Not able to test the Z80 Microprocessor. Keyboard is nice and ALPS. No returns if you replace the battery.Main chips on Applied Engineering Z-Ram Ultra 3 memory extender:Memory Management Unit MMU
AMI 8739MEC
344-0011
APPLE CI
8742 4727Z80 Microprocessor
NEC JAPAN
8548KX
D70008AC-6Free local pickup in Minneapolis Minn. 55414