Specifications
PC/II+p Board Technical Reference Manual 22
MT002615 ©1999-2001, Megatel Computer Corporation
4.2 Jumper Settings – Other
Refer to Section 6.2 for placement of Jumpers. All jumpers are normally on the TOP side of the board.
Table 2 Jumper Settings – Other
JUMPER SETTING SELECTED OPTION COMMENT
open External bios Used by Megatel manufacturing only
J009
closed Normal operation (default)
Jumper must be present for normal
operation
open Normal operation (default)
J010
closed Program bios Used by Megatel manufacturing only
J014
open Watchdog disabled (default)
closed Watchdog enabled This option can be ordered; please refer
to section 11.3.1
. The watchdog
controller and its internal functionality
will always operate, whether or not this
jumper is installed. However, the
system will ONLY be forced into reset
state at the time of a watchdog timer
expiry if the watchdog is enabled, the
timer has expired and this jumper is
INSTALLED.
open Normal operation (default)
J019
closed Reset RTC CMOS memory This function is required to be enabled
by the BIOS. Before closing (installing)
this jumper, VCC Power may be
present or not present. When the
jumper is installed and the function has
been enabled by the BIOS, the contents
of the RTC NV SRAM User memory
(242 bytes used for system
configuration) is cleared. The jumper is
required to be removed before power is
applied (if power is applied when the
jumper is installed, remove the jumper
and then cycle the power to restore
operation). On reboot, default
configuration parameters are restored
by the BIOS.