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





WINTOWER 486PC

LEADING EDGE PRODUCTS, INC.

WINTOWER 486PC

Processor

80486SX/80486DX/80486DX2

Processor Speed

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

Chip Set

UMC

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

Phoenix

Dimensions

355mm x 304mm

I/O Options

32-bit VESA local bus slots (2), IDE interface, PS/2 mouse port

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

CN1

32-bit VESA Local bus slot

S1

PS/2 mouse style

CN2

32-bit VESA Local bus slot

S2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

JP1

N/A

Factory configured - do not alter

JP6

N/A

Parallel port interrupt select IRQ7

JP3

pins 1 & 2 closed

 

Parallel port interrupt select IRQ5

JP3

pins 2 & 3 closed

CMOS memory normal operation

JP4

pins 1 & 2 closed

 

CMOS memory clear

JP4

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(1) 1M x 36

NONE

8MB

(1) 1M x 36

(1) 1M x 36

12MB

(1) 2M x 36

(1) 1M x 36

16MB

(1) 2M x 36

NONE

16MB

(1) 2M x 36

(1) 2M x 36

16MB

(1) 4M x 36

NONE

20MB

(1) 4M x 36

NONE

32MB

(1) 4M x 36

(1) 4M x 36

32MB

(1) 8M x 36

NONE

36MB

(1) 1M x 36

(1) 8M x 36

64MB

(1) 8M x 36

(1) 8M x 36

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

SW1/switch 1

SW1/switch 2

SW1/switch 3

SW1/switch 4

64KB

Off

Off

Off

Off

128KB

Off

On

Off

On

256KB

On

On

On

Off

CPU TYPE CONFIGURATION

Type

JP5

80486SX

pins 2 & 3 closed

80486DX

pins 1 & 2 and 3 & 4 closed

ODP486SX

pins 1 & 2 and 3 & 4 closed

80486DX2

pins 1 & 2 and 3 & 4 closed

CPU SPEED CONFIGURATION

Speed

JP8

JP9

25MHz

pins 1 & 2 closed

pins 1 & 2 closed

33MHz

pins 2 & 3 closed

pins 2 & 3 closed

50iMHz

pins 1 & 2 closed

pins 1 & 2 closed

66iMHz

pins 2 & 3 closed

pins 2 & 3 closed

VESA WAIT STATE/BUS SPEED CONFIGURATION

CPU speed

Wait states

JP7

£ 33MHz

0 wait states

Open

> 33MHz

1 wait state

Closed