SIMA TECHNOLOGY CO., LTD.

I430VX MAINBOARD

Processor

CX M1/AM K5/Pentium

Processor Speed

75/90/100/120/133/150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, USB connector, VRM connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Speaker

J8

Serial port 2

CN2

Power LED & keylock

J9

Parallel port

CN3

IDE interface LED

J10

Floppy drive interface

CN4

Reset switch

J11

IDE interface 1

CN5

Green PC connector

JP14 pins 1 & 2

IDE interface 2

CN6

32-bit PCI slots

PC1 - PC4

USB connector

CN7

Cache slot

SL1

PS/2 mouse port

J3

VRM connector

VRM

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP7

Open

 

CMOS memory clear

JP7

Closed

»

Flash BIOS voltage select 12v

JP8

Pins 2 & 3 closed

 

Flash BIOS voltage select 5v

JP8

Pins 1 & 2 closed

DRAM/DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(2) 1M x 36

None

None

8MB

None

None

(1) 1M x 64

16MB

(2) 2M x 36

None

None

16MB

None

None

(1) 2M x 64

16MB

(2) 1M x 36

(2) 1M x 36

None

16MB

None

(2) 1M x 36

(1) 1M x 64

24MB

(2) 1M x 36

(2) 2M x 36

None

24MB

None

(2) 1M x 36

(1) 2M x 64

24MB

(2) 2M x 36

(2) 1M x 36

None

24MB

None

(2) 2M x 36

(1) 1M x 64

32MB

(2) 4M x 36

None

None

32MB

None

None

(1) 4M x 64

32MB

(2) 2M x 36

(2) 2M x 36

None

32MB

None

(2) 2M x 36

(1) 2M x 64

40MB

(2) 1M x 36

(2) 4M x 36

None

40MB

None

(2) 1M x 36

(1) 4M x 64

40MB

(2) 4M x 36

(2) 1M x 36

None

40MB

None

(2) 4M x 36

(1) 1M x 64

48MB

(2) 2M x 36

(2) 4M x 36

None

48MB

None

(2) 2M x 36

(1) 4M x 64

48MB

(2) 4M x 36

(2) 2M x 36

None

48MB

None

(2) 4M x 36

(1) 2M x 64

64MB

(2) 8M x 36

None

None

64MB

None

None

(1) 8M x 64

DRAM/DIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

64MB

(2) 4M x 36

(2) 4M x 36

None

64MB

None

(2) 4M x 36

(1) 4M x 64

72MB

(2) 1M x 36

(2) 8M x 36

None

72MB

None

(2) 1M x 36

(1) 8M x 64

72MB

(2) 8M x 36

(2) 1M x 36

None

72MB

None

(2) 8M x 36

(1) 1M x 64

80MB

(2) 2M x 36

(2) 8M x 36

None

80MB

None

(2) 2M x 36

(1) 8M x 64

80MB

(2) 8M x 36

(2) 2M x 36

None

80MB

None

(2) 8M x 36

(1) 2M x 64

96MB

(2) 4M x 36

(2) 8M x 36

None

96MB

None

(2) 4M x 36

(1) 8M x 64

96MB

(2) 8M x 36

(2) 4M x 36

None

96MB

None

(2) 8M x 36

(1) 4M x 64

128MB

(2) 8M x 36

(2) 8M x 36

None

128MB

None

(2) 8M x 36

(1) 8M x 64

Note: Board accepts EDO memory.

DIMM VOLTAGE CONFIGURATION

Voltage

JP1

JP2

 

3.3v

Pins 2 & 3 closed

Pins 2 & 3 closed

»

5v

Pins 1 & 2 closed

Pins 1 & 2 closed

CACHE CONFIGURATION

Size

Bank 0

SL1

TAG

256KB (A)

(2) 32K x 32

Not installed

(1) 32K x 8

256KB (B)

None

256 KB module installed

None

512KB (A)

(2) 32K x 32

256 KB module installed

(1) 32K x 8

512KB (B)

(2) 64K x 32

Not installed

(1) 32K x 8

512KB (C)

None

512 KB module installed

None

Note: The location of bank 0 & the TAG are unidentified.

CACHE JUMPER CONFIGURATION

Size

JP3

256KB (A)

Pins 2 & 3 closed

256KB (B)

Open

512KB (A)

Pins 1 & 2 closed

512KB (B)

Pins 1 & 2 closed

512KB (C)

Open

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP5

JP6

JP11

JP12

JP13

75MHz

50MHz

1.5x

Closed

Closed

Open

Open

2 & 3

90MHz

60MHz

1.5x

Closed

Open

Open

Open

1 & 2

100MHz

66MHz

1.5x

Open

Closed

Open

Open

1 & 2

120MHz

60MHz

2x

Closed

Open

Closed

Open

1 & 2

133MHz

66MHz

2x

Open

Closed

Closed

Open

1 & 2

150MHz

60MHz

2.5x

Closed

Open

Closed

Closed

1 & 2

166MHz

66MHz

2.5x

Open

Closed

Closed

Closed

1 & 2

180MHz

60MHz

3x

Closed

Open

Open

Closed

1 & 2

200MHz

66MHz

3x

Open

Closed

Open

Closed

1 & 2

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP15

 

3.3v (STD/VR)

Pins 2 & 3 closed

»

3.5v (VRE)

Pins 1 & 2 closed