Thunder X  (S1952DLU)  Jumper Settings

CPU Settings for 100 MHz Bus

Clock Speed

JP11

JP12

JP13

JP14

Multiplier

350MHz

ON

OFF

OFF

ON

x3.5

400MHz

OFF

ON

ON

ON

x4.0

450MHz

OFF

ON

OFF

ON

x4.5

500MHz

OFF

OFF

ON

ON

x5.0

550MHz

OFF

OFF

OFF

ON

x5.5

Hardware CMOS / Password Reset

 

Default

Reset

JP3

1-2

2-3

Speaker Connector (JP35)

 

External Spkr

Internal Buzzer (Default)

JP35

1-4

3-4

Enable On-board SCSI (JP36)

 

Enable SCSI

Disable SCSI

JP36

OFF

ON

Other Pin Assignments

 

1

2

3

JP15 (Wake-on LAN)

Standby 5V

GND

Wake (Pwr ON)

FAN 1-6

GND

VCC

Fan Monitor

Internal SCSI LED Pinout (JP27)

1

VCC

2

LED

3

VCC

4

LED

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