MTXC CLK Setting/P55C Enabled (J7)

This jumper setting provides Intel MTXC chipset 66/60 MHz frequency. You can Enable/Disable P55C CPUs with pin 1 and pin 2 close/open.

J7 MTXC CLK Setting

66 Hz*

60 Hz

J7

 

 

 

3

4

3

4

J7 P55C Enabled/Disabled

Enabled*Disabled

J7

1

2

1

2

* default setting

Clock Setting (J8)

J8 must be set together with J5 jumper to match the CPU internal frequency. The clock frequency times the Frequency Ratio equals the CPU’s internal frequency.

J8 Clock Setting

CPU

55

60

66*

75

PCI

27.5

30

33.3

37.5

J8

 

 

 

 

* default setting

16 SBC-596/599 User's Manual

Page 26
Image 26
Adaptec SBC-599, SBC-596 manual Mtxc CLK Setting/P55C Enabled J7, Clock Setting J8