Chapter 2 Installation
17
CPU I/O Voltage setting (JP3)
JP3 must be set to match the CPU type. The chart below shows
the proper jumper settings for their respective CPU I/O Voltage:
CPU I/O voltage (JP3)
3.5 V
3.3 V(Default)
PCI Bus Clock Sync / Async Mode settings
(JP5)
JP-5 allows users to select Sync or Async PCI clock. The Sync
PCI clock depends on half of the CPU external clock, in contrast,
the Async PCI Clock is fixed on 33MHz.
33MHz
25MHz 30MHz 33MHz
(Async Mode setting)
(Sync Mode setting)
(Equal to 1/2 x CPU Ext. CLK)
(Default)
CPU External Clock Selection (JP6)
JP-6 allows users to select CPU External clock.
50 MHz
60MHz
66MHz(Default)
1 2 3
1 2 3
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
Summary of Contents for SBC-555
Page 1: ...SBC 554V Half size 586 CPU Card with PISA Bus SBC 555 Half size 586 CPU Card with ISA Bus ...
Page 8: ......
Page 15: ...Chapter 1 General Information 7 Card dimensions 185 00 178 00 122 00 98 50 19 50 D4x4 ...
Page 16: ...8 SBC 554V 555 User s Manual ...
Page 70: ...62 SBC 554V 555 User s Manual ...