Apple IIe Platinum Computer (A2S2128) TESTED-WORKING

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Apple IIe Platinum Computer-A2S2128-TESTED-WORKS The item you are viewing is a used Apple IIe Platinum computer , model # A2S2128. One (1) power cable is included, one (1) Apple Super Serial Card II comes installed in Slot #2, one (1) Apple UniDisk 5.25" Disk Controller is installed in Slot #6 but does not function properly and one (1) third-party 64K/80 column card is installed in the auxiliary slot which also does not function properly. The case is in great shape, has very little yellowing and all four rubber feet are present, however two of the back port covers are missing (see photo). Since the installed disk interface card doesn't function properly, the Apple IIe Platinum was tested using an older-style Apple Disk II Interface Card (not included) and an original Apple Disk II drive (also not included) and will successfully boot up from a disk (see screenshot). When tested with an Apple ProDOS system disk, only 64K RAM is reported (see screenshot) leading me to believe that the 64K/80 column expansion card is bad. The installed UniDisk disk controller will power on and spin up an attached drive, however the disk will never boot, which leads me to believe that this card is also bad. I have not tested the included Super Serial Card II however it does show up as installed when tested with the ProDOS system disk (see screenshot) . From Wikipedia: /wiki/Apple_IIe "In January 1987 came the final revision of the Apple IIe, often referred to as the Platinum IIe, due to the color change of its case to the light-grey color scheme that Apple dubbed "Platinum". Changes to this revision were mostly cosmetic to modernize the look of the machine. Besides the color change, there was a new keyboard layout with built-in numeric keypad. The keyboard was changed to match the layout of the Apple IIGS, with the reset key moved above the ESC and '1' keys, the Open and Solid Apple modifier keys replaced by Command and Option and the power LED relocated above the numeric keypad. Gone were the recessed metal ID badges (showing the Apple logo and name, with "//e" beside it) replaced with a simpler "Apple IIe" silk screened on the case lid in the Apple Garamond font. A smaller Apple logo badge remained, which was moved to the right side of the case. Internally, a (reduced in size) Extended 80 Columns Card was factory pre-installed, making it come standard with 128 KB RAM and Double-Hi-Res graphics enabled. The motherboard has a reduced chip count by merging the two system ROM chips into one and used higher density memory chips so its 64 KB RAM could be made up of two (64 Kbx4) chips rather than eight (64 Kbx1) chips, bringing the count down to a total of 24 chips. A solder pad location on the motherboard, present since the original IIe, for (optionally) making presses of the "Shift" keys detectable in software, is now shorted by default so that the feature is always active. Next, in a move to reduce Radio Frequency Interference when a joystick plugs into the motherboard's Game I/O socket, filtering capacitors were added. While this made no difference to the average user, it had the negative effect of lowering the available bandwidth to the socket, which is often used by specialized devices for such purposes as measuring temperature, controlling a robotic device, or even simplistic networking for data transfer to another computer. In such cases the specialized devices were rendered useless on the Platinum IIe unless the user removed the capacitors from the board. There were no firmware changes present, and functionally the motherboard is otherwise identical to the Enhanced IIe. This final model of the Apple IIe was discontinued in November 1993, officially retiring the entire Apple II family line with it." Returns not accepted. Please feel free to ask me any questions about this item. read more

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