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P55SVPIO

EFA CORPORATION

P55SVPIO

Processor

CX M1/Pentium

Processor Speed

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

Chip Set

SIS

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

330mm x 220mm

I/O Options

32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, serial ports (2), VGA feature connector, VGA port, cache slot, VRM connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VGA port

J5

Reset switch

J16

VGA feature connector

J7

Turbo LED

J17

Serial port 2

J8

Turbo switch

J18

Serial port 1

J9

Speaker

J19

Parallel port

J10

Power LED & keylock

J20

Floppy drive interface

J11

External battery

J21

IDE interface 1

J12

32-bit PCI slots

PC1 - PC3

IDE interface 2

J13

Cache slot

SL1

IDE interface LED

J14

VRM connector

VRM

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

Chipset select SMC665

JP2

Pins 2 & 3 closed

 

Chipset select SMC669

JP2

Pins 1 & 2 closed

 

Monitor type select EGA/VGA

JP7

Open

 

Monitor type select monochrome

JP7

Closed

»

Factory configured - do not alter

JP8

Pins 1 & 2 closed

»

Factory configured - do not alter

JP9

Pins 1 & 2 closed

»

Factory configured - do not alter

JP15

Pins 1 & 2 closed

 

BIOS type select flash BIOS

JP17

Pins 1 & 2, 5 & 6 closed

 

BIOS type select EPROM

JP17

Pins 2 & 3, 4 & 5 closed

»

Factory configured - do not alter

JP20

Pins 2 & 3 closed

»

Factory configured - do not alter

JP21

Pins 1 & 2 closed

»

CMOS memory normal operation

JP23

Pins 1 & 2 closed

 

CMOS memory clear

JP23

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(2) 512K x 36

None

8MB

(2) 1M x 36

None

8MB

(2) 512K x 36

(2) 512K x 36

12MB

(2) 1M x 36

(2) 512K x 36

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

20MB

(2) 2M x 36

(2) 512K 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

36MB

(2) 4M x 36

(2) 512K 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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

64MB

(2) 4M x 36

(2) 4M x 36

68MB

(2) 8M x 36

(2) 512K 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. Board also accepts x 32 SIMMs. If using x 32 SIMMs, one module may be installed in the first socket on Bank 0 labeled SIMM 1.

DRAM JUMPER CONFIGURATION

Type

JP6

EDO

Closed

Fast page

Open

CACHE CONFIGURATION

Size

Bank 0

TAG

SL1

256KB (A)

(8) 32K x 8

(1) 32K x 8

Not installed

256KB (B)

None

None

256KB module installed

512KB (A)

(8) 64K x 8

(1) 32K x 8

Not installed

512KB (B)

None

None

512KB module installed

CACHE JUMPER CONFIGURATION

Size

JP10

JP11

JP12

256KB (A)

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB (B)

Pins 2 & 3 closed

Open

Open

512KB (A)

Pins 1 & 2 closed

Pins 2 & 3 closed

Pins 1 & 2 closed

512KB (B)

Pins 2 & 3 closed

Open

Open

CACHE VOLTAGE CONFIGURATION

Voltage

JP24

Mixed

Pins 3 & 5, 4 & 6 closed

3.3v

Pins 1 & 3, 2 & 4 closed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP13

JP14

JP18

JP19

N/A

40MHz

N/A

1 & 2

1 & 2

N/A

N/A

75MHz

50MHz

1.5x

2 & 3

2 & 3

1 & 2

1 & 2

90MHz

60MHz

1.5x

1 & 2

2 & 3

1 & 2

1 & 2

100MHz

66MHz

1.5x

2 & 3

1 & 2

1 & 2

1 & 2

120MHz

60MHz

2x

1 & 2

2 & 3

1 & 2

2 & 3

133MHz

66MHz

2x

2 & 3

1 & 2

1 & 2

2 & 3

150MHz

60MHz

2.5x

1 & 2

2 & 3

2 & 3

2 & 3

166MHz

66MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

N/A

N/A

3x

N/A

N/A

2 & 3

1 & 2

N/A

N/A

3x

N/A

N/A

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP16

JP22

3.3v

Open

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

VRM installed

Closed

Open

ON BOARD VGA SELECTION

Setting

JP3

JP4

JP5

Enabled

Closed

Closed

Pins 1 & 2 closed

Disabled

Open

Open

Pins 2 & 3 closed