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486VLP

SEANIX TECHNOLOGY, INC.

486VLP

Processor

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

Processor Speed

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

Chip Set

Unidentified

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

Speaker

JP11

Turbo switch

JP95

Power LED & keylock

JP13

Turbo LED

JP96

Reset switch

JP15

32-bit VESA local bus slots

SL1 & SL2

External battery

JP17

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Password disabled

JP12

Open

 

Password enabled

JP12

Closed

CMOS memory normal operation

JP16

pins 1 & 2 closed

 

CMOS memory clear

JP16

pins 2 & 3 closed

Factory configured - do not alter

JP33

pins 1 & 2 closed

VESA card select normal VESA card

JP89

Closed

 

VESA card select Weitek P9000 (pins 2 & 3 closed on JP33)

JP89

Open

Factory configured - do not alter

JP94

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) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 4M x 9

(4) 1M 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

JP7

JP8

64KB

pins 2 & 3 closed

pins 2 & 4 closed

128KB

pins 1 & 2 closed

pins 2 & 3 closed

256KB

pins 1 & 2 closed

pins 1 & 2 closed

CPU TYPE CONFIGURATION

Type

JP2

JP3

JP4

80486SX

pins 2 & 3 closed

Open

Open

80487SX

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Closed

80486DX

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

Open

80486DX2

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

Open

Pentium Overdrive

pins 1 & 2, 3 & 4 closed

pins 1 & 2 closed

Closed

CPU SPEED CONFIGURATION

Speed

JP72

25MHz

Closed

33MHz

Open

50iMHz

Closed

50MHz

Open

66iMHz

Open

BUS SPEED CONFIGURATION

CPU speed

ID2

ID3

<= 33MHz

Closed

Open

> 33MHz

Closed

Closed