[BBC Micro ] [Computers ]
The BBC Mode B+ 64K increased the BBC micro's memory from 32K to 64K. Compared to the Model B, it has:
See BBC Micro .
Here is the Acorn product brochure for the BBC B+
In June 1985 Acorn User published a News item titled "BBC B+ Reveled".
In July 1985 Acorn User published a Review titled "B+ Grading".
In July 1985 Practical Computing published a review of the BBC B+ titled "Acorn BBC B+ ".
I bought this example on ebay in August 2001.
Here are some pictures
BBC Model B+ 64K
The 64K on the right of the keystrip identifies it as a BBC Model B+ 64K
BBC Micro +64K with top off
Note the sideways ROMs are now at top left
BBC Micro +64K motherboard.
The BBC Model B+ has a redesigned board layout compared to the previous BBC micros. In particular the sideways ROM sockets have been moved from the front right (under the keyboard!) to the back left by the power supply. The two empty sockets below the sideways ROMs are for the speech system. At the bottom left a Western Digital 1770 has replaced the Intel 8271 disc controller.
|Motherboard||233,000 Issue 1|
|ROM||48KB (maximum 192K ROM)|
|Disc Filing System||DFS 2.10|