DIGITAL EQUIPMENT CORPORATION

PRIORIS LX

Processor

80486SX/80486DX/80486DX2/Pentium

Processor Speed

80486: 25/33MHz

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

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

80486: 128MB

Pentium: 192MB

Maximum Video Memory

None

Cache

80486: Unidentified

Pentium: 256/512KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (3), Ethernet 10Base2 connector, Ethernet 10BaseT connector, floppy drive interface, IDE interfaces (2), SCSI interface, parallel port, serial ports (2), VGA port, CPU slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

CN1

IDE interface 2

CN8

VGA port

CN2

Front panel connector

CN9

Ethernet 10BaseT connector

CN3

V dc power connector

J1

Ethernet 10Base2 connector

CN4

Chassis fan power

J2

SCSI interface

CN5

Speaker

J3

Floppy drive interface

CN6

32-bit PCI slots

PC1 – PC3

IDE interface 1

CN7

CPU slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Flash BIOS upgrade enabled

J22/1

Off

 

Flash BIOS upgrade disabled

J22/1

On

»

Flash BIOS write protect disabled

J22/2

Off

 

Flash BIOS write protect enabled

J22/2

On

»

Password normal operation

J22/3

Off

 

Password clear

J22/3

On

»

DSM not installed

J27

Closed

 

DSM installed

J27

Open

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN1

Serial port

CN3

Serial port

CN2

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured – do not alter

J7/2

On

»

Factory configured – do not alter

J7/3

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

16MB

(1) 2M x 36

(1) 2M x 36

None

None

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

None

None

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

None

None

72MB

(1) 8M x 36

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

80MB

(1) 8M x 36

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Note: The size of the cache is unidentified.

CPU SPEED SELECTION

CPU speed

J7/1

25MHz

On

33MHz

Off

50iMHz

On

66iMHz

Off

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN1

Serial port

CN3

Serial port

CN2

VRM connector

VRM

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

16MB

(2) 2M x 36

None

None

24MB

(2) 2M x 36

(2) 1M x 36

None

32MB

(2) 2M x 36

(2) 1M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 2M x 36

None

32MB

(2) 4M x 36

None

None

40MB

(2) 2M x 36

(2) 2M x 36

(2) 1M x 36

40MB

(2) 4M x 36

(2) 1M x 36

None

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

48MB

(2) 2M x 36

(2) 4M x 36

None

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

56MB

(2) 4M x 36

(2) 2M x 36

(2) 1M x 36

64MB

(2) 4M x 36

(2) 4M x 36

None

64MB

(2) 8M x 36

None

None

72MB

(2) 8M x 36

(2) 1M x 36

None

72MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

80MB

(2) 2M x 36

(2) 4M x 36

(2) 4M x 36

80MB

(2) 2M x 36

(2) 8M x 36

None

88MB

(2) 8M x 36

(2) 2M x 36

(2) 1M x 36

96MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

96MB

(2) 8M x 36

(2) 4M x 36

None

112MB

(2) 8M x 36

(2) 4M x 36

(2) 2M x 36

128MB

(2) 8M x 36

(2) 8M x 36

None

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

136MB

(2) 8M x 36

(2) 8M x 36

(2) 1M x 36

144MB

(2) 8M x 36

(2) 8M x 36

(2) 2M x 36

160MB

(2) 8M x 36

(2) 8M x 36

(2) 4M x 36

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

SL1

256KB

256KB module installed

512KB

512KB module installed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

J3/1

J3/2

J3/3

J3/4

75MHz

50MHz

1.5x

Off

Off

Off

Off

90MHz

60MHz

1.5x

Off

Off

On

On

100MHz

66MHz

1.5x

Off

Off

On

Off

120MHz

60MHz

2x

On

Off

On

On

133MHz

66MHz

2x

On

Off

On

Off

150MHz

60MHz

2.5x

On

On

On

On

166MHz

66MHz

2.5x

On

On

On

Off

180MHz

60MHz

3x

Off

On

On

On

200MHz

66MHz

3x

Off

On

On

Off