Oki 4M - Manual (Page 97)

7 - 4
7.2 PCB Layout
7.2.2 Main Control Board (HBMC-3 PCB) (OKIPAGE 4m)
S W I
1 2
Short Plag
SP1
Plag Setting
A External EPROM is valid.
Mask ROM in the CPU is valid. B
Content
DIP Switch Switch Setting Content
SW1-1
SW1-2
UPPER SIDE*
UPPER SIDE*
LOWER SIDE
LOWER SIDE
AUTO I/F
FIX I/F (By SW2-2)
FIX PARALLEL I/F
FIX MAC I/F
*Default setting. Do not change.
Remarks
not used