2.18.1
Clock Multiplier Select
The CPU actually runs at a multiple of the base oscillator frequency. The jumper block
at J14 allows selection as shown here :
NOTE : WinSystems warrants the operation and reliability of the PCM-586-
133 only in the 33x4 mode. Any other jumpering may not result in reliable
operation.
2.19
Jumper/Connector Summary
Jumper/
De scrip tion
Page Ref er ence
Con nec tor
J1
Speaker In ter face
2-7
J2
Watch dog Timer Con figu ra tion Jumper
2-9
J3
Floppy I/O Con nec tor
2-8
J4
Multi I/O Con nec tor
2-13
J5
IDE I/O Con nec tor
2-8
J6
Mas ter Bat tery En able Jumper
2-9
J7
Bat tery Backup En able
2-12
J8, J10
COM2 Con figu ra tion Jump ers
2-4, 2-6
J9, J11
COM1 Con figu ra tion Jump ers
2-3, 2-6
J12, J15
SSD De vice Con figu ra tion
2-11, 2-12
J13
CPU Speed Se lect Jumper
2-14
J14
Clock Mul ti plier Select Jumper
2-15
J16
PC/104-8 Con nec tor
2-7
J17
PC/104- 16 Con nec tor
2-7
J18
Power/Re set Con nec tor
2-10
J19
Mouse Con nec tor
2-13
Page 2-16
OPERATIONS MANUAL PCM-586
021402
WinSystems
- "The Embedded Systems Authority"
1
o o
2
J14
1
o o
2
J14
x3
x4 (Default)
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