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CPU BOARD JUMPER LOCATION TABLE
Jumper J1 J2 J3 J4 J5 J6
Located
Near…
U28 &
Connector P5
U22 & U27
CPU BOARD JUMPER POSITION TABLE
ROM Type Default Options* J1 J2 J3 J4 J5 J6
27C080, 1M X 8, EPROM 1-2 2-3 1-2 1-2 -- --
27C040, 512K x 8, EPROM 1-2 1-2 1-2 1-2 -- --
27C010, 128K x 8, EPROM 1-2 1-2 1-2 2-3 -- --
29F040, 512K x 8, Flash 2-3 1-2 2-3 1-2 -- --
29F020, 256K x 8, Flash 1-2 1-2 2-3 1-2 -- --
Boot
(U27)
29F010, 128K x 8, Flash 1-2 1-2 2-3 1-2 -- --
27C080, 1M x 8, EPROM -- -- -- -- 2-3 --
27C040, 512K x 8, EPROM -- -- -- -- 1-2 --
Expansion
(U28)
27C010, 128K x 8, EPROM -- -- -- -- 1-2 --
Boot from CPU ROM -- -- -- -- -- 1-2
External
Boot
Boot from SIO ROM -- -- -- -- -- Re-
moved
*
Notes
1. -- = Not Applicable
2. Memory type numbers shown are for blank parts. Your game requires programmed parts.