Multitech MT586SBC Upgrade Manual

Bios upgrade

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

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.

Remove power from the segment to be upgraded, detach all internal and external cable

connections and remove the MT586SBC from it's chassis.

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).

Figure 1. BIOS Chip/Socket Location

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.

Figure 2. BIOS Chip Orientation

Procedure

1 of 4

Table of Contents

Do you have a question about the MT586SBC and is the answer not in the manual?

Page 1 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.
Page 2 Gently press the chip into the socket until it snaps into place. Install the MT586SBC into it’s chassis, being sure to re-connect all internal and external cables. Apply power to the segment, and as the segment boots, press the DELETE key to run the BIOS setup utility.
Page 3 CommPlete chassis. Lay the RAS96 board on a flat, stable, anti-static surface. To gain access to the 32-pin PLCC socket and BIOS chip on the board, you must first remove the hard drive (see Figure 1). 44-pin Connector Figure 1. Hard Drive Removal Turn the RAS96 board upside down, locate the four drive mounting screws that secure the hard drive to the RAS96 board, and remove all four screws.
Page 4 Orientate the new BIOS chip on top of the chip socket so that the orientation notch is in the correct location (i.e., pin 1 of the BIOS chip mates with pin 1 of the chip socket).

Ras96