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





UM 486V

ELITEGROUP COMPUTER SYSTEMS, INC.

UM 486V

Processor

80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive

Processor Speed

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

Chip Set

UMC

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Reset switch

J12

Power LED & keylock

J4

Speaker

J13

Turbo LED

J10

32-bit VESA Local bus slot

S1

Turbo switch

J11

32-bit VESA Local bus slot

S2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select color

JP13

pins 2 & 3 closed

 

Monitor type select monochrome

JP13

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP22

JP23

JP27

JP28

64KB

pins 1 & 2 closed

Open

Open

pins 1 & 2 closed

128KB

pins 2 & 3 closed

Open

Closed

pins 2 & 3 closed

256KB

pins 1 & 2 closed

Closed

Closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP24

JP25

JP26

80486SX

Closed

pins 2 & 3 closed

Open

80486SX (PQFP)

Open

N/A

N/A

80487SX

Closed

pins 1 & 2 and 3 & 4 closed

pins 2 & 3 closed

80486DX

Closed

pins 1 & 2 and 3 & 4 closed

pins 1 & 2 closed

80486DX2

Closed

pins 1 & 2 and 3 & 4 closed

pins 1 & 2 closed

Pentium Overdrive

Closed

pins 1 & 2 and 3 & 4 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

JP18

JP19

JP20

JP21

25MHz

Closed

Closed

Open

Open

33MHz

Open

Closed

Open

Open

50i MHz

Closed

Closed

Open

Open

50MHz

Open

Open

Open

Open

66i MHz

Open

Closed

Open

Open

VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION

CPU speed

Wait states

JP15 (ID3)

JP16 (ID2)

£ 33MHz

0 wait states

Open

Open

> 33MHz

1 wait state

Closed

Closed