//c Enhancement Rom Chip Apple Iic. Adds Unidisk 3.5 For Sale
FOUR PHOTOS FROM KANSASFEST CONFERENCE, JULY 23-28, 2913
1. Two Steves: Steve Wozniak, inventor of Apple II, with me, Steve Buggie
2. The audience at one of the presentations (I am in red shirt, seated in front row.)
3. and 4. Randy Wiggington, first Apple employee, who invented (with Steve Wozniak) the Disk II interface card
ENHANCEMENT ROM CHIP FOR APPLE IIC$13.00 each, plus $3.83 shipping to USA buyers
It enables use of the rare white-cased Unidisk 3.5 drive!
The is a 28-pin custom ROM chip for the classic Apple IIC.
It resembles the Apple brand enhanced ROM # 342-0033.
Inside the IIC, the older UNENHANCED ROM is # 342-0277.
The Enhanced ROM chip adds these features to your IIC:
(1) Capability to operate the Unidisk 3.5" 800K external disk drive.
(2) The checkerboard self-test: Hold down the two Apple-keys at power-up;
If enhanced, you will see a moving checkerboard pattern which ends with, "SYSTEM OK." The checkerboard self-test is shown in the last two photos. If you can get the checkerboard self-test presently with your IIc, then your computer is already enhanced and my ROM chip is not needed!
(3) A customized briefone-two word messageat the center-top of the opening screen.
A two-sided instruction sheet to install the chip is included. Essentially, you just
replace the existing 28-pin ROM chip with this chip, then make two minor
soldered changes on the IIC motherboard.I will also enclose a photocopy ofOtto Linzmeyer's article in the January 1988 issue of A+ magazine, "THE APPLE IIC FAMILY TREE," which describes firmware/hardware differences among the three distinct versions of Apple IIC that were released (1984-1988). Also enclosed will be a photocopied section from theApple IIc Technical Reference Manual (1985) that describes theUnidisk 3.5 ROM code that is contained in this chip.The Apple IIC Plus differed totally from the earlier IIc models.
If you bought a IIc CPU from me, then its ROM is already enhanced.
Made in USA
These are the choices for the one-two word message at the top of the opening screen:
(A) Apple IIc (B) 3.5" Disk (C) Enhanced! (D) WozIIc (E) Gallup NM
(F) Laser IIc (G) Self-Test (H) BuggIIc (I) Canada
Mention your preferred message and a backup message choice.
I have 45 finished ROM chips, ready to be shipped,but have lost the instructions for the EPROM burner device. These are the last of the IIC ROMs!
100% TOTAL REFUND GUARANTEE
FOR USA BUYERSAND ALSO
FOR WORLDWIDE OVERSEAS BUYERS! The IIc ROMs are all guaranteed to work! About70 of these ROM chips have already been sold. 45 IIc ROM chips are still available at this date. (June 22, 2013) All are pre-tested prior to shipping, and I have had no complaints, so far, from buyers.
FULL 60 DAY TRY-OUT PERIOD FOR USA BUYERS
AND ALSO FOR WORLDWIDE OVERSEAS BUYERS! This guarantee applies for any reason, even if your ROM chip works perfectly but you are dissatisfied with its performance.
. (For example, it works but you expected it to have more features than it does.) If returned, I will refund the purchase price plus original shipping paid. (You must pay return shipping.)USA shipping is now $3.83, because of the weight of the magazine article and other printed matter, and the enclosed diagnostic disks. Shipping is WORLDWIDE. Shipping will be viapost office first class mail. Generous combined shipping discount (USA only): On hardware purchases, you pay only
the single largest shipping cost. All other hardware items in same parcel,
will be shipped with no further cost! (USA only) Free local pickup at Gallup NM 87301.
Seller is a self-proclaimed Apple II expert, having authored five articles in Apple II magazines during the 1990s. His Apple II inventions were featured at the Apple II conference "KANSASFEST 1996," Kansas City .
INTERNATIONAL: SALES TO OTHER COUNTRIES
I will ship to other countries, but special conditions will apply: Insurance is unavailable. Payment must be via PayPal, in U.S. dollars. I will retain the post office receipt as PROOF OF MAILING, but I cannot guarantee safe delivery (You, the buyer, must bear any risk of theft from international mail.). If your purchased item gets lost in international mails, thennotify me andI will send you a photocopy of my shipping receipt. This won't recover your lost item, but at least you will know that I really did ship it. I must guess at the weight / postage cost. I will guess slightly high, but will refund any excess amount paid for postage, to the buyer's PayPal account, immediately afterthe itemhas been shipped.
Stephen Buggie, psychology professor, UNM-Gallup campus, Gallup NM USA.
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//c Enhancement Rom Chip Apple Iic. Adds Unidisk 3.5: $13