MICRONICS MOTHERBOARD

80386-25 No cache Baby size (09-00065-xx)

This document is for the baby-sized (13.3" x 8.5") 80386-25 non-caching motherboard part number 09-00065-xx.

It's identifying features are: an LED between expansion slots #5 and #6; eight 16-bit

expansion slots; eight sockets for SIMMs (two banks of 4 each); a socket for an 80387

coprocessor; one 32-bit memory expansion slot (to be used with the M800 or M810 memory

expansion card); the Micronics ASIC chipset (four chips).

The bus speed for this motherboard is fixed at 8MHz.

+=============================+

+ +

+ MOTHERBOARD SWITCH SETTINGS +

+ +

+ * = Default setting +

+=============================+

1 Reserved *Off

2 80387 Coprocessor installed On

80387 Coprocessor not installed *Off

3 Reserved *On

4 Bios relocation enabled *On

Bios relocation disabled Off

5 Reserved *Off

6 Color video adapter *On

Monochrome video adapter Off

7 Reserved *Off

8 Reserved *Off

+=============================+

+ +

+ MOTHERBOARD JUMPER SETTINGS +

+ +

+=============================+

J5 Keylock / Power LED

Pin 1 - Power LED signal

Pin 2 - no connector

Pin 3 - Ground

Pin 4 - Keyboard lock signal

Pin 5 - Ground

J9 External 6-volt battery connector

Pin 1 - Battery Positive

Pin 2 - no connector

Pin 3 - Ground

Pin 4 - Ground

J701 External speaker

Pin 1 - Speaker

Pin 2 - no connector

Pin 3 - Ground

Pin 4 - +5 volts

W1 Reset switch

Pin 1 - Signal

Pin 2 - Ground

W4 Turbo LED

Pin 1 - Signal

Pin 2 - Ground

W5 Turbo switch

Pin 1 - Signal

Pin 2 - Ground

W98 Memory configuration

Pin 1-2 Four 256Kx9 SIMMs installed in bank 0

Pin 2-3 Four 1Mx9 SIMMs installed in bank 0

W100 Memory configuration

Pin 1-2 Four 256Kx9 SIMMs installed in bank 1

Pin 2-3 Four 1Mx9 SIMMs installed in bank 1

+==============+

+ +

+ MEMORY CARDS +

+ +

+==============+

M800 and M810 memory card:

==========================

Either of these memory cards may be used on this motherboard to allow 4MB or 8MB to be

added to the memory already installed on the motherboard. There are eight SIMM sockets

on the memory card (two banks of 4 sockets), that will accept only 1Mx9 SIMMs. There

are no switches or jumpers on the M800 or M810 to set.