HwMuseum | Index

DIGITAL EQUIPMENT CORPORATION

PRIORIS MTE

Device Type

Mainboard

Processor

80486DX/80486DX2/P24T

Processor Speed

25/33/40/50(internal)/50/66(internal)MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

128/256KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

Local bus video slot, 32-bit VESA local bus slots (2), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Chassis fan power

C1

Local bus video slot

SL1

Speaker

C2

32-bit VESA local bus slots

SL2 & SL3

Note: The location of all other connectors is unidentified.

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Parallel port unidirectional

J20

Pins 1 & 2 closed

 

Parallel port bidirectional

J20

Pins 2 & 3 closed

»

CMOS memory normal operation

J23

Open

 

CMOS memory clear

J23

Closed

 

Monitor type select monochrome

J25

Open

 

Monitor type select color

J25

Closed

»

Factory configured - do not alter

J43

Open

»

Reset switch enabled

J46

Closed

 

Reset switch disabled

J46

Open

»

Factory configured - do not alter

J53

Unidentified

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(1) 2M x 36

None

None

None

16MB

(1) 4M x 36

None

None

None

16MB

(1) 2M x 36

(1) 2M x 36

None

None

24MB

(1) 4M x 36

(1) 2M x 36

None

None

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

None

24MB

(1) 2M x 36

(1) 4M x 36

None

None

32MB

(1) 8M x 36

None

None

None

32MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

None

32MB

(1) 4M x 36

(1) 4M x 36

None

None

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

40MB

(1) 8M x 36

(1) 2M x 36

None

None

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

40MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

None

40MB

(1) 2M x 36

(1) 8M x 36

None

None

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

48MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

None

48MB

(1) 8M x 36

(1) 4M x 36

None

None

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

48MB

(1) 4M x 36

(1) 8M x 36

None

None

56MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

56MB

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

None

64MB

(1) 8M x 36

(1) 8M x 36

None

None

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

72MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

None

80MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

80MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

None

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

None

104MB

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

112MB

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

128KB

(4) 32K x 8

256KB

(4) 64K x 8

CACHE JUMPER CONFIGURATION

Size

J29

J30

J31

128KB

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

256KB

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

CPU SPEED SELECTION

Speed

J34

J35

J36

J37

25MHz

Closed

Closed

Open

Closed

33MHz

Closed

Open

Closed

Closed

40MHz

Open

Open

Closed

Open

50iMHz

Closed

Closed

Open

Closed

50MHz

Open

Open

Open

Open

66iMHz

Closed

Open

Closed

Closed

CPU TYPE SELECTION

Type

J52

80486DX

Pins 2 & 3 closed

80486DX2

Pins 2 & 3 closed

P24T

Pins 1 & 2 closed

VL BUS WAIT STATE SELECTION

Setting

J51

»

0

Pins 1 & 2 closed

 

1

Pins 2 & 3 closed