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SBC486PE PEISA SINGLE BOARD

MONOLITHIC SYSTEMS, INC. (COLORADO MSI)

SBC486PE PEISA SINGLE BOARD

Processor

80486SX/80386DX/80486DX2

Processor Speed

25/33/40/50(internal)/50/66(internal)MHz

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

128/256KB (on 32-bit external cache module)

BIOS

AMI

Dimensions

339mm x 127mm

I/O Options

32-bit external cache module slot, PS/2 mouse port, PS/2 keyboard connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface LED

J1

Power LED & keylock

J7

Reset switch

J2

Auxiliary keyboard

J8

Power LED

J3

PS/2 keyboard

J9

External battery

J4

PS/2 mouse

J11

Front panel switches & LEDs

J5

32-bit external cache module

S1

Speaker

J6

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CMOS memory normal operation

J10

Open

 

CMOS memory clear

J10

Closed

Monitor type select color

J12

Closed

 

Monitor type select monochrome

J12

Open

Watchdog timer disabled

J13

pins 2 & 3 closed

 

Watchdog timer enabled

J13

pins 1 & 2 closed

Factory configured - do not alter

J14

Closed

Factory configured - do not alter

J14

Closed

DMA signal select active high

J16

pins 1 & 2 closed

 

DMA signal select active low

J16

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 512K x 36

NONE

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

6MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

Note:These are only some of the possible configurations. All modules must be of like capacity.