Here's a list of the docs that came with the INFO 2000 disk setup,
aka PerSci 277 double drive and 1070 disk controller.
I know most of this is already available online, but I can scan any
of it on request.
PERSCI 1070 INTELLIGENT FLOPPY DISK CONTROLLER 12 pg. glossy
by Robert A. Stevens
Reprint of an article from Sept 1977 /Interface Magazine/
AN ADVANCED DISC-BASED SYSTEM 4 pg. glossy
by Michael Busch and Dan Gaines
From same magazine issue
INFO 2000 DISK SYSTEM 8 pg. sales brochure
for Heathkit H8
Digital Group
All S-100 Computers
PerSci Mass Storage Systems - Specifications 2 pg. glossy
PerSci Model 70 Diskette Drive - Specifications "
PerSci Model 277 Dual Diskette Drive - Specifications "
USERS MANUAL
Intelligent Diskette Controller
Model 1070
~40 pg. April, 1978
PRODUCT SPECIFICATIONS
Intelligent Diskette Controller
Model 1070 22 pg. June, 1977
WESTERN DIGITAL MOS/LSI FD1771
APPLICATION NOTE FLOPPY DISK FORMATTER/CONTROLLER
20 pg. March, 1978
Installation and Maintenance Manual
Duak Diskette Drive
Model 277 44 pg. July 1977
Logic & Schematic Diagram
Diskette Drive
Models 270/272/277 31 pg. January, 1978
Product Specification
Diskette Drive
Model 277 24 pg. January, 1978
Installation and Maintenance Manual
Duak Diskette Drive
Model 70 Series 39 pg. October 1976
Product Specification
Diskette Drive
Model 70 24 pg. January 1977
Product Specification
Diskette Drive
Model 299B 36 pg. not dated
USERS MANUAL
Dual Density Controller
Model 1170 62 pg. March 1980
Doc
PerSci, Inc.
Product Price List 1 pg. November 18, 1977