System Configuration Switch (S4) - Motorola MVME135 User Manual

I
OPERA TI NG I NSTRUCTI ONS
3.2.5 System Confi gurat ion Swi tch (S4)
Switch S4 is a ten-position piano type DIP switch that provides the
following functions as defined by 135bug (refer to the 135bug manual
for a more detailed description). Note that S4-1 and S4-2 are
implemented in hardware and that the other eight positions are
implemented in the 135bug monitor.
Switch S4
00FNFnnnnnnnnnn
System Configuration Select
..................
~
(Factory Configuration)
1
2 3 4 5 6
7
8 9
10
(NOTE: ON is e, OFF is 1)
3-1e
L
Ss4-10: OFF= Autoboot enabled.
ON = Autoboot disabled.
4-9 OFF= MP bits enabled.
ON = MP bits disabled.
S 4-8
S 4-7
S 4-6
S 4-5
S 4-4
S 4-3
S 4-4
S 4-3
S 4-4
S 4-3
S 4-4
S 4-3
S 4-2
S 4-1
OFF= VSBbus disabled.
ON = VSBbus enabled.
OFF= VSB not system controller.
ON = VSB is system controller.
OFF= 24-bit VMEbus addr width.
ON = 32-bit VMEbus addr width.
OFF= 16-bit VMEbus data width.
ON 32-bit VMEbus data width.
ON {135bug executes 1 oca 11 y,
ON DRAM mapped at $0.
OFF= { 135bug executes locally.
ON DRAM mapped at SFFXe00ee.
ON {135bug executes over the
OFF VMEbus BASE.
OFF= { 135bug executes in first
OFF off-board VMEbus memory.
OFF= RESET/ABORT disabled.
ON = RESET/ABORT enabled.
OFF= VME not system controller.
ON = VME is system controller.