DIGITAL EQUIPMENT CORPORATION

PRIORIS HX MP

Device Type

Mainboard

Processor

Pentium

Processor Speed

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

Chip Set

Unidentified

Video Chip Set

Cirrus Logic

Maximum Onboard Memory

1GB

Maximum Video Memory

512KB

Cache

256/512KB

BIOS

Unidentified

Dimensions

305mm x 244mm

I/O Options

External memory cards (2), 32-bit PCI slots (6), floppy drive interface, parallel port, PS/2 mouse port, serial port, VGA port

I/O Options (CPU)

Cache slots (2), VRM connectors (2)

CONNECTIONS

Purpose

Location

Purpose

Location

Chassis fan power

C1

PS/2 mouse port

CN5

Chassis fan power

C2

Floppy drive interface

CN6

Chassis fan power

C3

5v power

P1

Chassis fan power

C4

5v power

P2

OCP connector

C5

3.3v power

P3

SBB connector

C6

CPU slot

SL1

DSM connector

C7

External memory card

SL2

Serial port

CN1

External memory card

SL3

Serial port

CN2

CPU slot

SL4

VGA port

CN3

32-bit PCI slots

PC1 – PC6

Parallel port

CN4

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

DSM not installed

J7

Closed

 

DSM installed

J7

Open

»

Door lock 1 enabled

J9

Closed

 

Door lock 1 disabled

J9

Open

»

Door lock 2 enabled

J11

Closed

 

Door lock 2 disabled

J11

Open

»

Recovery mode select normal operation

J13

Open

 

Recovery mode select recovery mode

J13

Closed

»

Password normal operation

J14

Open

 

Password clear

J14

Closed

»

On board video enabled

J32

Closed

 

On board video disabled

J32

Open

»

VGA IRQ9 disabled

J33

Open

 

VGA IRQ9 enabled

J33

Closed

»

Boot block update disabled

J38

Pins 2 & 3 closed

 

Boot block update enabled

J38

Pins 1 & 2 closed

»

BIOS upgrade disabled

J39

Open

 

BIOS upgrade enabled

J39

Closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

32MB

(4) 2M x 36

None

None

None

64MB

(4) 2M x 36

(4) 2M x 36

None

None

64MB

(4) 4M x 36

None

None

None

96MB

(4) 2M x 36

(4) 2M x 36

(4) 2M x 36

None

128MB

(4) 4M x 36

(4) 4M x 36

None

None

128MB

(4) 8M x 36

None

None

None

128MB

(4) 2M x 36

(4) 2M x 36

(4) 2M x 36

(4) 2M x 36

192MB

(4) 4M x 36

(4) 4M x 36

(4) 4M x 36

None

256MB

(4) 4M x 36

(4) 4M x 36

(4) 4M x 36

(4) 4M x 36

256MB

(4) 8M x 36

(4) 8M x 36

None

None

512MB

(4) 8M x 36

(4) 8M x 36

(4) 8M x 36

(4) 8M x 36

Note: For maximum memory of 1GB, install 2 memory cards with 512MB installed.

CONNECTIONS

Purpose

Location

Purpose

Location

Cache slot

SL1

VRM connector

VRM1

Cache slot

SL2

VRM connector

VRM2

USER CONFIGURABLE SETTINGS

Function

Label

Position

 

APIC enabled

J10

Closed

 

APIC disabled

J10

Open

CACHE CONFIGURATION

Size

SL1/SL2

256KB

256KB module installed

512KB

512KB module installed

Note: SL1 is for CPU1 & SL2 is for CPU2.

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J3

J4

J7

J8

75MHz

50MHz

1.5x

Open

Open

Open

Open

90MHz

60MHz

1.5x

Open

Open

Open

Open

100MHz

66MHz

1.5x

Open

Open

Open

Open

120MHz

60MHz

2x

Open

Closed

Open

Closed

133MHz

66MHz

2x

Open

Closed

Open

Closed

150MHz

60MHz

2.5x

Closed

Closed

Closed

Closed

166MHz

66MHz

2.5x

Closed

Closed

Closed

Closed

180MHz

60MHz

3x

Closed

Open

Closed

Open

200MHz

66MHz

3x

Closed

Open

Closed

Open

Note: J3 & J4 are for CPU 1. J7 & J8 are for CPU2.