HwMuseum | Index

DIGITAL EQUIPMENT CORPORATION

VENTURIS PENTIUM (VER. 2.0)

Device Type

Mainboard

Processor

Pentium

Processor Speed

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

Chip Set

Unidentified

Video Chip Set

S3

Maximum Onboard Memory

128MB

Maximum Video Memory

Unidentified

Cache

256KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

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

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

VGA port

CN1

Floppy drive interface

CN6

Parallel port

CN2

IDE interface

CN7

Serial port

CN3

IDE interface

CN8

Serial port

CN4

Riser slot

SL1

PS/2 mouse port

CN5

   

Note: VGA & serial ports are shown for informational purposes only. The location may not be exact.

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Recovery mode normal operation

J10

Open

 

Recovery mode enabled

J10

Closed

»

Password normal operation

J11

Open

 

Password memory clear

J11

Closed

»

CMOS memory normal operation

J16

Pins 1 & 2 closed

 

CMOS memory clear

J16

Pins 2 & 3 closed

 

Boot block disabled

J32

Pins 2 & 3 closed

 

Boot block enabled

J32

Pins 1 & 2 closed

SIMM 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

CACHE CONFIGURATION

Note: Board is factory installed with 256KB cache. The location is unidentified.

VIDEO MEMORY CONFIGURATION

Note: The location & size of the video memory is unidentified.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J21

J22

J25

J27

75MHz

50MHz

1.5x

Open

Open

Open

Open

90MHz

60MHz

1.5x

Open

Closed

Open

Open

100MHz

66MHz

1.5x

Closed

Closed

Open

Open

120MHz

60MHz

2x

Open

Closed

Open

Closed

133MHz

66MHz

2x

Closed

Closed

Open

Closed

150MHz

60MHz

2.5x

Open

Closed

Closed

Closed

166MHz

66MHz

2.5x

Closed

Closed

Closed

Closed

180MHz

60MHz

3x

Open

Closed

Closed

Open

200MHz

66MHz

3x

Closed

Closed

Closed

Open

CPU VOLTAGE SELECTION

Voltage

J35

Standard

Open

VRE

Closed