ELITEGROUP COMPUTER SYSTEMS, INC.

SC58P VIO/S

Processor

CX M1/Pentium

Processor Speed

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

Chip Set

SIS

Video Chip Set

Cirrus Logic

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

2MB

Cache

256/512KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot, IR connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

J2

Turbo LED

J14

Floppy drive interface

J5

Reset switch

J15

VGA feature connector

J6

IR connector

JP1

IDE interface 2

J7

Parallel port

P1

IDE interface 1

J8

Serial port 1

P2

IDE interface LED

J12 pins 1 & 2

Serial port 2

P3

Power LED

J12 pins 3 - 5

VGA port

P4

Chassis fan power

J13

Riser slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

J9

Pins 1 & 2 closed

 

CMOS memory clear

J9

Pins 2 & 3 closed

»

On board video enabled

JP3

Closed

 

On board video disabled

JP3

Open

»

Flash BIOS voltage select 12v

JP11

Pins 1 & 2 closed

 

Flash BIOS voltage select 5v

JP11

Pins 2 & 3 closed

»

Floppy drive write protect disabled

JP21

Pins 1 & 2 closed

 

Floppy drive write protect enabled

JP21

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M 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

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

None

None

None

(1) 32K x 8

256KB (A)

None

(8) 32K x 8

(1) 32K x 8

256KB (B)

(2) 32K x 32

None

(1) 32K x 8

512KB

None

(8) 64K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP13

None

Pins 1 & 2 closed

256KB (A)

Pins 1 & 2 closed

256KB (B)

Pins 1 & 2 closed

512KB

Pins 2 & 3 closed

VIDEO MEMORY CONFIGURATION

Size

Bank 0

Bank 1

1MB

(2) 256K x 16

None

2MB

(2) 256K x 16

(2) 256K x 16

Note: Bank 0 is factory installed and is not configurable.

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP14

JP17

120MHz

50MHz

2x

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP14

JP17

75MHz

50MHz

1.5x

1 & 2

Open

90MHz

60MHz

1.5x

3 & 4

Open

100MHz

66MHz

1.5x

1 & 2, 3 & 4

Open

120MHz

60MHz

2x

3 & 4

1 & 2

133MHz

66MHz

2x

1 & 2, 3 & 4

1 & 2

150MHz

60MHz

2.5x

3 & 4

1 & 2, 3 & 4

166MHz

66MHz

2.5x

1 & 2, 3 & 4

1 & 2, 3 & 4

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP22

 

Cyrix

Pins 2 & 3 closed

»

Intel

Pins 1 & 2 closed

CPU VOLTAGE SELECTION

Voltage

JP19

 

3.3v

Pins 1 & 2 closed

»

3.525v (VRE)

Pins 3 & 4 closed