Service manual

Upgrades
The following items for upgrade purposes are available from the Customer Service Department at the
prices shown beneath. Users should return the items marked, together with a cheque for the total amount
made payable to Acorn Computers Ltd. These prices include VAT.
UPGRADE COST RETURN COMMENT
Master 512 (
DOS+ 1.2
to DOS+ 2.1)
From BIOS 1.00 £20 All 4 discs Includes new discs,
to BIOS 1.03 application note
and manual
.From BIOS 1.01/2 £15 Disc 1 only Includes new disc
to BIOS 1.03 and application note
Welcome Discs:
Master 5.25" £5.00 Old disc
Master 3.25" £7.50 Nothing
Compact 3.25" £5.00 Old disc
View Family:
VIEW 1.4 or VIEW 2.1 £23.00 Old ROM without Includes new ROM,
to VIEW 3 pack or manual. reference card and
key strip.
ROMs:
DFS 2.26 for B+ £5.00 Nothing
or B with 1770
DFS 2.29 for £5.00 Nothing
Master or
Compact
Doc. 999,0031 December 1987 -16- Acorn Engineering News