QL Hardware Reference Manual errata.
Posted: 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.
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.