6 PCA-6157 User's Manual
Jumpers and connectors
Connectors on the PCA-6157 board link it to external devices such
as hard disk drives and keyboard. In addition, the board has a
number of jumpers used to configure your system for your applica-
tion.
The table below lists the function of each of the board jumpers and
connectors. Later sections in this chapter give instructions on
setting jumpers. Chapter 2 gives instructions for connecting
external devices to your card.
List of Jumpers and Connectors
Number
Function
JP1
CPU clock select
JP2
Level 2 cache size select
JP3
Level 2 cache size select
JP4
Level 2 cache size select
JP5
Factory reserved
JP6
Keyboard or PS/2 mouse select
JP7
Onboard I/O chip enabled/disabled select
JP8
Flash BIOS Select
JP9
Flash BIOS Select
JP10~JP11
Factory reserved
JP12
Level 1 cache WB/WT select
JP13
Factory reserved
JP14
ISA bus clock select
JP15
Monitor mode select
JP16
CPU clock select
JP17~JP18
Factory reserved
JP19
Watchdog select
