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





SY-24A

SOYO COMPUTER CO., LTD.

SY-24A

   

Processor

80386DX/80486SX/80486DX/80486DX2

Processor Speed

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

Chip Set

CONTAQ

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 217mm

I/O Options

None

NPU Options

80387/3167

   

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

J17

External battery

J20

Speaker

J18

Turbo switch

J21

Reset switch

J19

Turbo LED

J22

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Monitor type select monochrome

JP3

Open

 

Monitor type select color

JP3

Closed

CMOS memory normal operation

JP5

pins 1 & 2 closed

 

CMOS memory clear

JP5

pins 2 & 3 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

2OMB

(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 (U28)

Dirty Bit (U44)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

(1) 16K x 4

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

(1) 16K x 4

Note:Dirty bit need only be filled if writeback mode is selected in the CMOS-advanced chipset setup.

CACHE JUMPER CONFIGURATION

Size

JP30

JP31

JP32

JP33

JP34

JP35

64KB

Open

Open

Open

Open

Open

2 & 3

256KB

Closed

Closed

Closed

Closed

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION

Type

JP36

JP37

JP38

JP39

JP40

JP41

JP42

JP43

JP44

80386DX

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

80486SX

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

80486DX

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

80486DX2

1 & 2

1 & 2

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

OSC2

JP8

JP13

JP14

25/50iMHz

25MHz

pins 1 & 2 closed

Open

Closed

25/50iMHz

50MHz

pins 2 & 3 closed

Open

Closed

33/66iMHz

33.33MHz

pins 1 & 2 closed

Closed

Open

33/66iMHz

66.667MHz

pins 2 & 3 closed

Closed

Open

40MHz

40MHz

pins 1 & 2 closed

Open

Open

40MHz

80MHz

pins 2 & 3 closed

Open

Open

50MHz

50MHz

pins 1 & 2 closed

Closed

Closed