Cyrix 6x86 CPUs
Clock Chip: PLL52C61-01 or PLL52C61-21
Ext. Clock Factor
Ext. Clock Freq.: Normal/Turbo
ISA Spd Refresh
CPU:Ext/Int Clock
D S 1
D S 2
D S 3
D S 4
D S 7
D S 5
D S 6
P 1 2 0 + : 5 0 / 1 0 0 M H z O F F
O N
O N / — O N / — O N / —
O F F
O F F
P 1 3 3 + : 5 5 / 1 1 0 M H z O F F
O N
O N / — O F F / — O N / —
O N
O F F
P 1 5 0 + : 6 0 / 1 2 0 M H z O F F
O N
O N / O F F O N / O F F O F F / O N
O N
O F F
P 1 6 6 + : 6 6 / 1 3 3 M H z O F F
O N
O F F / O F F O N / O F F O N / O F F
O N
O F F
P 2 0 0 + : 7 5 / 1 5 0 M H z O F F
O N
O N / — O F F / — O F F / —
O N
O F F
Clock Chip: PLL52C59-14T or ICS9159-14
Ext. Clock Factor
Ext. Clock Freq. — (Norm/Turbo)
ISA Spd Refresh
CPU:Ext/Int Clock
D S 1
D S 2
D S 3
D S 4
D S 7
D S 5
D S 6
P 1 2 0 + : 5 0 / 1 0 0 M H z O F F
O N
O N
O N
O F F / O N
O F F
O F F
P 1 3 3 + : 5 5 / 1 1 0 M H z O F F
O N
O F F
O F F
O F F / —
O N
O F F
P 1 5 0 + : 6 0 / 1 2 0 M H z O F F
O N
O F F
O N
O F F / O N
O N
O F F
P 1 6 6 + : 6 6 / 1 3 3 M H z O F F
O N
O N
O F F
O F F / O N
O N
O F F
P 2 0 0 + : 7 5 / 1 5 0 M H z O F F
O N
O F F
O F F
O N / —
O N
O F F
Note:
ICS9159-14 does not support Turbo mode at 75MHz
ISA Spd. – ISA Bus Clock speed, see page 2-19
Refresh – DRAM refresh [reserved for future use] always OFF
DS8 – reserved for future use, always OFF
Содержание PR5
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