ICS SB686P Series, Product Manual

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Manual Number: 40110-005-2 Page 9
Chapter 2: Configuration & Setup
Configuration Jumpers
The setup of the configuration jumpers on the processor is described below. * indicates the default
value of each jumper.
Note: For two-position jumpers (3-post), “RIGHT” is toward the bracket end of the board; “LEFT”
is toward the memory sockets.
Jumper Description
JU80 CRT Type Select
Install on the TOP for a color CRT. *
Install on the BOTTOM for a monochrome CRT.
JU81 Password Clear
Install for one power-up cycle to reset the password to the default (null
password).
Remove for normal operation. *
JU82 Watchdog Timer
Install on the LEFT for normal reset operation. *
Install on the RIGHT to enable watchdog timer operation.
JU83 CMOS Clear
Install to clear.
Remove to operate. *
JU84 P5A Speaker Connect
Install to connect speaker data signal to pin 8 of the Combo I/O connector
(P5A). *
Remove to disconnect.
JU85 P5A Reset Connect
Install to connect reset data signal to pin 1 of the Combo I/O connector
(P5A). *
Remove to disconnect.
JU86 Interrupt 12 (IRQ12) Select
Install to dedicate IRQ12 to the PS/2 mouse. *
Remove to make IRQ12 available for system use.