) (05/11/91)
FOR SALE: Intel Bubble Memory: BPK 72 Bubble Memory Prototype Kit $50.00 includes: PC board, 7110-1 1 MegaBit (128Kx8) bubble memory, interface circuitry on PC board, User's Manual w/driver source code. PC board assembled but never powered up or used. Bubble Memory Chipset $35.00 includes: 7110-1, interface chips (7230, 7242, 7250, (2) VQ7254P). New. Microcontroller Board $15.00 6803 microprocessor, 2732 (4Kx8) EPROM, 6116 (2Kx8) SRAM, RS232 port Centronics parallel port, I/O connector, 4 pos. dipswitch, metal case. Originally intended as a printer buffer/interface for Olivetti electric typewriters. New. Defunct XT RLL Card $ 5.00 Returns errors upon operation. Western Digital chipset (WD10C21A, WD11C00JT, WD1015JM, WD5011JM), 5816-12L (2Kx8) SRAM, headers, plus more, all surface mount. Good for parts -- fixable?? Defunct USRobotics 2400 Baud External Modem $10.00 Direct 2400. 80C31 microcontroller, N27C64-1 (8Kx8) OTP EPROM, ADC0804LCD A/D convertor, 1488, 1489 RS-232 chips, connectors, wall transformer, plus more. Good for parts. Phone line interface is dead, interface to PC (80C31...) works great. TERMS: On all items, you send me a check or money order for parts plus shipping (UPS or 1st class, your choice) to me, and I will send the goods on receipt of the money. First-come first-served. ALL PRICES NEGOTIABLE E-mail replies to: skohls@uceng.uc.edu Steve -- Steve Kohls skohls@uceng.uc.edu University of Cincinnati (513) 232-9813