) (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