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2.5.6 Flash ROM-Jumper J56
The S1686S/D uses flash memory to store BIOS Setups. It can be updated
as new versions of the BIOS become available. The flash utility will guide
you t hr ough t he pr o c e s s s t ep by st ep.
that you flash the onboard BIOS. This procedure should only be done
by a qualified technician or a Tyan technical support engineer.
J56 determines which type of Flash EPROM is used. This jumper has been
set to match the onboard BIOS chip. The factory default for the S1686S/D
is on pins 1-2(5V). Depending on the type of EPROM used, some boards
will have J56 on pins 2-3(12V). (Refer to Page 13 for more information.)
*****************************************************
W arning!!
*Do not change J56--(It has been pre-configured at the factory.)
2.5.7 Hardware CMOS & Password Reset (J44)
If you are locked out of your system because you have forgotten your pass-
word, or you have set the CMOS incorrectly, follow the instructions below.
a. Power off the system.
b. Short J44 by covering Pin 1 and Pin 2 of J44 with a jumper cap
and short the circuit between these two pins.
c. Wait for 5 seconds, and then remove the jumper cap from J44.
d. Apply power to the system.
By following the above procedures, the password and CMOS will be reset
to BIOS defaults.
S1686S/D-001-02
However, we do not recommend
15
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