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SM 486-50UVL

SPRITE, INC.

SM 486-50UVL

Processor

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

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

MR

Dimensions

330mm x 220mm

I/O Options

32-bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

J1

Power LED & keylock

J5

Speaker

J2

Turbo switch

JP6

External battery

J3

32-bit VESA local bus slots

S1, S2, & S3

Reset switch

J4

 

 

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

CPU speed select iOSC/2

W3

Closed

 

CPU speed select iOSC/1

W3

Open

System password enabled/Monitor type select monochrome

W14

Closed

 

System password disabled/Monitor type select color

W14

Open

Battery select internal

W15

Closed

 

Battery select external

W15

Open

Factory configured - do not alter

W16

Unknown

Factory configured - do not alter

W17

Unknown

VESA BUS SPEED (ID3) CONFIGURATION

CPU speed

JP1 (ID3)

£ 33MHz

Open

> 33MHz

Closed

32-BIT VESA LOCAL BUS AVAILABILITY CONFIGURATION

CPU Speed

Slots Available

JP2

£ 50MHz

S1, S2, & S3

pins 2 & 3 closed

66MHz

S3

pins 1 & 2 closed

Note: Board speed of 66MHz is an optional upgrade available through the manufacturer.

CACHE CONFIGURATION

Size

Cache

Location

TAG

Dirty Bit

64KB

(8) 8K x 8

Banks 0 & 1

(1) 8K x 8

(1) 16K x 4

128KB

(4) 32K x 8

Bank 0

(1) 8K x 8

(1) 16K x 4

256KB

(8) 32K x 8

Banks 0 & 1

(1) 32K x 8

(1) 16K x 4

CACHE JUMPER CONFIGURATION

Size

W6

W7

W8

W9

W10

W11

W12

W13

64KB

1 & 2

1 & 2

Open

Open

Open

Open

Open

1 & 2

128KB

1 & 2

2 & 3

Open

Closed

Open

Closed

1 & 2

2 & 3

256KB

2 & 3

2 & 3

Closed

Closed

Closed

Closed

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

CPU type

W1

W2

80486SX

pins 2 & 3 closed

Open

80487SX/ODP486SX

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

80486DX/80486DX2

pins 1 & 2, 3 & 4 closed

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

17MB

(4) 256K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9