Osborne 1 Double Density Option Installation Procedure
The Double Density Disk Drive Option Installation Procedure for the OCC 1/1A Computer is a 20-page procedure, document SBXNES031, prepared for Osborne Computer Corporation by Xerox Corporation (Xerox Service Business, Service Education & Customer Support), October 1983. It covers the Osborne 1.
Contents
[edit | edit source]- Kit contents: double-density board, 10-wire ribbon cable, 2732 monitor ROM revision 1.44, stand-offs, user manual and Extended Utility disk
- Prerequisites: logic board revision G or later, disk drive boards revision J or later
- Installation
- Siemens and MPI drive alignment checks, including the drive timer limit of 199.80 to 200.20 ms, set with R23 on the drive board; monitor ROM revision 1.43 is fitted at D12 temporarily for the alignment procedures
What this document does not contain
[edit | edit source]No schematic of the double-density board.
Pages that cite this document
[edit | edit source]
Download: Osborne 1 Double Density Option Installation Oct83.pdf