...because we can't all be on the bleeding edge...





486UL REV. 1.0

ADVANCED INTREGRATION RESEARCH, INC.

486UL REV. 1.0

Processor

80486SX/80487SX/80486DX/ODP486SX/80486DX2/ODP586SX

Processor Speed

20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

UMC

Max. onboard DRAM

32MB

SRAM Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 220mm

I/O Options

32-bit external memory card, 32-bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Turbo switch

J6

Power LED & keylock

J3

Turbo LED

J7

Speaker

J4

32-bit memory card

S1

Reset

J5

32-bit VESA local bus slots

S2, S3, & S4

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Keyboard clock select 8MHz

J08

pins 1 & 2 closed

 

Keyboard clock select iOSC derived

J08

pins 2 & 3 closed

CMOS memory normal operation

JP4

pins 1 & 2 closed

 

CMOS memory clear

JP4

pins 2 & 3 closed

Onboard battery enabled

JP8

Closed

 

Onboard battery disabled

JP8

Open

Monitor type select color

JP10

Closed

 

Monitor type select monochrome

JP10

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

7MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

8MB

(4)1M x 9

(4)1M x 9

NONE

NONE

9MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

24MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

NONE

28MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

32MB

(4)4M x 9

(4)4M x 9

NONE

NONE

36MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

NONE

40MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

Note: Banks 2 & 3 are located on the optional external memory card inserted into S1.

CPU TYPE CONFIGURATION

CPU

JP1

JP2

JP3

80486SX

Open

pins 2 & 3 closed

Open

80487SX/ODP486SX

pins 2 & 3 closed

pins 1 & 2, 3 & 4 closed

Open

80486DX/DX2

pins 1 & 2 closed

pins 1 & 2, 3 & 4 closed

Open

CPU SPEED CONFIGURATION

Speed

J03

J04

J05

J06

20MHz

Closed

Closed

Closed

Open

25/50i MHz

Closed

Closed

Open

Closed

33/66i MHz

Closed

Open

Closed

Closed

40MHz

Open

Open

Closed

Open

50MHz

Open

Open

Open

Open

CACHE CONFIGURATION

Size

Bank 0

Bank 1

64KB

(4) 8K x 8

(4) 8K x 8

128KB

(4) 32K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP13

JP14

JP16

JP17

JP18

JP19

64KB

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

128KB

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 1 & 2

256KB

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 2 & 3

Note: Pins designated should be in the closed position.

VESA BUS SPEED (ID3) CONFIGURATION

CPU speed

JP23 (ID3)

<=33MHz

Open

>33MHz

Closed