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Product Update
BIOS Upgrade for MT586SBC and RAS96
2/19/99
PN 82097650
The procedures that follow detail the process of replacing the BIOS chip currently residing on your
MT586SBC or RAS96 board with the new BIOS chip included in this upgrade kit. Please read all
instructions carefully before beginning the upgrade, to insure that system settings are not lost.
MT586SBC BIOS Replacement Procedure
Step
Procedure
1
Prior to upgrading, reboot the segment to be upgraded and press the DELETE key to run the
BIOS setup utility. Record the basic system settings, including hard drive configuration, and keep
the setting notes as a reference for configuration of the new BIOS, later in this procedure.
2
Remove power from the segment to be upgraded, detach all internal and external cable
connections and remove the MT586SBC from it’s chassis.
3
Lay the MT586SBC board on a flat, stable, anti-static surface and locate the 32-pin PLCC socket
and BIOS chip on the board (see Figure 1).
BIOS Chip
Figure 1. BIOS Chip/Socket Location
4
Note the orientation of the chip inside the socket using the orientation notch on the chip (see
Figure 2). Later in this procedure you will be placing the new chip in the socket using the same
orientation.
Orientation
Notch
Figure 2. BIOS Chip Orientation
