File:BBC Microcomputer Service Manual October 1985 Section 3 Additional Upgrades.pdf
Link to the index page
Original file (0 × 0 pixels, file size: 1.33 MB, MIME type: application/pdf)
Summary
editSection 3 of Acorn Computers' BBC Microcomputer Service Manual, Acorn part number 0433,001, Issue 1, October 1985 — the Additional Upgrades volume.
Contains two dealer upgrade procedures:
- BBC Microcomputer Model B — 1770 Disc Interface daughter board fitting instructions, applicable to any issue of the Model B main PCB (explicitly not suitable for the Model B+), including the ROM-socket occupancy table for machines already carrying 0.90 DFS, Econet, or both.
- 64K Sideways RAM daughter board fitting instructions for the Model B+.
Source
editScanned by Chris Whytehead and published at Chris's Acorns (chrisacorns.computinghistory.org.uk). The scan carries a text layer.
Licensing
editCopyright Acorn Computers Limited, 1985. Acorn Computers is long defunct and no rights holder is actively enforcing this material. Hosted here for repair and preservation purposes only. If you hold rights to this document and want it removed, contact the site operator.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 19:05, 22 September 2026 | 0 × 0 (1.33 MB) | Josh (talk | contribs) | Acorn BBC Microcomputer Service Manual Oct 1985, Section 3 (Additional Upgrades) |
You cannot overwrite this file.
File usage
There are no pages that use this file.