Bios Boot Block; Dip Switch - TYAN Thunder i860 S2603 User Manual

C. BIOS Boot Block (J43)
In case there is an error during flashing, the BIOS Boot Block provides a protection feature for the BIOS.
DO NOT alter this jumper unless you are absolutely sure you fully understand this
jumper's effects on your system.
NOTE:
Tyan takes no reponsibility and will not be held liable for damage related to alter-
ation of this jumper from its factory-set default. Default is OPEN.
D. DIP Switch (J26) (optional)
This is a DIP switch for internal purposes. If present on the Thunder i860, please make sure that ALL
switches must always have positions 1 through 4 switched to "OFF" (in the bottom position).
Thunder i860 S2603
open close
J43
unprotect protect
* default is OPEN
All switches are in the
OFF position
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