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SY-5TA2, SY-5TA5

SOYO COMPUTER CO., LTD.

SY-5TA2, SY-5TA5

Device Type

Mainboard

Processor

Pentium

Processor Speed

75/90/100/120/133/150MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (4), green PC connector, floppy drive interface, IDE interfaces (2), parallel port, serial ports (2), VRM connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Speaker

J18

Serial port 2

CN2

Reset switch

J19

Floppy drive interface

CN3

Turbo LED

J22

Parallel port

CN4

Green PC connector

JP15

IDE interface 2

CN5

IDE interface LED

JP16

IDE interface 1

CN6

32-bit PCI slots

PC1 – PC4

Power LED & keylock

J17

VRM connector

VRM

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

J3

Unidentified

»

Monitor type select EGA/VGA

JP3

Closed

 

Monitor type select monochrome

JP3

Open

»

Factory configured - do not alter

JP4

Unidentified

»

Factory configured - do not alter

JP5

Unidentified

»

Factory configured - do not alter

JP13

Closed

»

Factory configured - do not alter

JP14

Pins 1 & 2 closed

»

Factory configured - do not alter

JP21

Unidentified

»

Factory configured - do not alter

JP22

Open

»

Factory configured - do not alter

JP23

Unidentified

»

Factory configured - do not alter

JP24

Unidentified

»

Factory configured - do not alter

JP25

Closed

»

Factory configured - do not alter

JP26

Closed

»

Pipeline address enabled

JP30

Closed

 

Pipeline address disabled

JP30

Open

»

Cache type select write back

JP31

Open

 

Cache type select write through

JP31

Closed

»

CMOS memory normal operation

JP32

Open

 

CMOS memory clear

JP32

Closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

None

4MB

(2) 512K x 36

None

4MB

(2) 256K x 36

(2) 256K x 36

6MB

(2) 512K x 36

(2) 256K x 36

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

8MB

(2) 512K x 36

(2) 512K x 36

10MB

(2) 1M x 36

(2) 256K x 36

12MB

(2) 512K x 36

(2) 1M x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

18MB

(2) 2M x 36

(2) 256K x 36

20MB

(2) 512K x 36

(2) 2M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

34MB

(2) 4M x 36

(2) 256K x 36

36MB

(2) 512K x 36

(2) 4M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 2M x 36

(2) 4M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

68MB

(2) 8M x 36

(2) 512K x 36

72MB

(2) 1M x 36

(2) 8M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 4M x 36

(2) 8M x 36

128MB

(2) 8M x 36

(2) 8M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(8) 32K x 8

(1) 8K/16K x 8

512KB

(8) 64K x 8

(1) 16K x 8

CACHE JUMPER CONFIGURATION

Size

JP12

JP27

JP28

256KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CACHE VOLTAGE CONFIGURATION

Voltage

JP1

JP2

3.3v

Open

Pins 1 & 2, 3 & 4, 5 & 6 closed

Mixed

Pins 1 & 2, 3 & 4, 5 & 6 closed

Open

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP17

JP18

JP19

JP29

JP38

75MHz

50MHz

1.5x

1 & 2

Open

Open

Open

Open

90MHz

60MHz

1.5x

2 & 3

Closed

Open

Open

Open

100MHz

66MHz

1.5x

2 & 3

Closed

Closed

Open

Open

120MHz

60MHz

2x

2 & 3

Closed

Open

Closed

Open

133MHz

66MHz

2x

2 & 3

Closed

Closed

Closed

Open

150MHz

60MHz

2.5x

2 & 3

Closed

Open

Closed

Closed

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

J23

J24

J25

»

STD

Open

Open

Closed

 

VRE

Open

Closed

Open

DMA/PIO CHANNEL SELECTION

Setting

JP10

JP11

»

PIO mode

Pins 2 & 3 closed

Pins 2 & 3 closed

 

DMA mode

Pins 1 & 2 closed

Pins 1 & 2 closed

PCI IRQ10 SELECTION

Setting

JP6

JP7

JP8

JP9

INT A

Open

Open

Open

Pins 1 & 2 closed

INT B

Open

Open

Open

Pins 2 & 3 closed

INT C

Pins 1 & 2 closed

Open

Open

Open

INT D

Pins 2 & 3 closed

Open

Open

Open

PCI IRQ11 SELECTION

Setting

JP6

JP7

JP8

JP9

INT A

Open

Open

Pins 1 & 2 closed

Open

INT B

Open

Open

Pins 2 & 3 closed

Open

INT C

Open

Pins 1 & 2 closed

Open

Open

INT D

Open

Pins 2 & 3 closed

Open

Open

FLASH BIOS SELECTION

Setting

JP33

JP34

»

EPROM

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Flash

Pins 2 & 3 closed

Pins 1 & 2 closed