Forum Announcement
22/04/2018 - The Online Chat isn't working via the normal link.
You can connect via IRC, or using another web client - https://kiwiirc.com/client/chat.qlforum.co.uk/#qlforum

QL Hardware Reference Manual errata.

Nagging hardware related question? Post here!
User avatar
Dave
SandySuperQDave
Posts: 1868
Joined: Sat Jan 22, 2011 6:52 am
Location: Austin, TX
Contact:

QL Hardware Reference Manual errata.

Postby Dave » Fri Mar 16, 2018 6:43 am

Page 4.16 Figure 4.2, keyboard matrix.

The number 4 on J11/8 and J12/7 is actually ↑. 4 is J11/1 J12/6.

Issue 5 schematic: IC21 listed as 74LS257 is 74LS345.
Issue 6 schematic: IC21 listed as 74LS257 is 74LS345.


Return to “Hardware”

Who is online

Users browsing this forum: No registered users and 2 guests