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INSTALLATIONS
10
IB500 User’s Manual
S2(1-4): Front Side Bus Selector
The table below shows the switch settings for the CPU front side bus.
Front Side Bus
S2(1-4) Front Side Bus
S2(1-4)
60MHz
on on off off
66MHz
off off off off
S2(5-8): Front Side Bus Multiplier
Multiplier
S2(5-8)
Multiplier
S2(5-8)
1.5x / 3.5x
off off off off
4
on off on off
2x / 6x
on off off off
4.5x
on on on off
2.5x
on on off off
5x
off on on off
3x
off on off off
5.5x
off off on off
S1(1-4), JP5: CPU Vcore Voltage Selector
Vcore
S1(1-4)
JP5
Vcore
S1(1-4)
JP5
3.5V
on on on on
OPEN
2.0V
off on on on
CLOSE
2.8V
off off off on
OPEN
1.95V
on off on on
CLOSE
2.2V
off on off off
OPEN
1.90V
off off on on
CLOSE
2.05V
on on on on
CLOSE
Содержание IB500
Страница 1: ...IB500 Half Size Socket 7 CPU Card With Optional VGA LAN SCSI USER S MANUAL Version 1 0A ...
Страница 4: ...iv IB500 User s Manual A Picture of the IB500 CPU Card ...
Страница 8: ...INTRODUCTION 4 IB500 User s Manual Board Dimensions ...
Страница 13: ...INSTALLATIONS IB500 User s Manual 9 Jumper Locations on IB500 DiskOnChip Socket ...
Страница 72: ...APPENDIX 68 IB500 User s Manual Appendix A Post Codes B I O Port Address Map C Interrupt Request Lines IRQ ...