...because we can't all be on the bleeding edge...





POWERMATE EXPRESS 486SX/25TE, 486/33TE, 486/33TE(ENHANCED), 486/50TE, 486DX2/50TE, POM-2000 (NETT-2000)

NEC TECHNOLOGIES, INC.

POWERMATE EXPRESS 486SX/25TE, 486/33TE, 486/33TE(ENHANCED), 486/50TE, 486DX2/50TE, POM-2000 (NETT-2000)

Processor

80486SX/80486DX/80486DX2

Processor Speed

25/33/50(internal)/50MHz

Chip Set

Unidentified

Max. Onboard DRAM

256MB (224MB on external memory cards)

Cache

128KB (location unidentified)

BIOS

Unidentified

Dimensions

268mm x 224mm

I/O Options

External memory cards (2), CPU slot

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

P1

Disk drive power interface

P6

LED controller board

P2

CPU slot

SL1

Chassis fan power

P5

External memory slots

SL2-SL3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Test mode disabled (released position)

J1

Out

 

Test mode enabled (locked position)

J1

In

»

Factory configured - do not alter

JP1

Open

»

BIOS type select 28256

JP2

pins 1 & 2 closed

 

BIOS type select 28512

JP2

pins 2 & 3 closed

»

Flash BIOS write enabled

JP3

pins 1 & 2 closed

 

Flash BIOS write disabled

JP3

pins 2 & 3 closed

»

Password enabled

JP4

pins 1 & 2 closed

 

Password disabled

JP4

pins 2 & 3 closed

»

Reset disabled

JP5

Open

 

Reset enabled

JP5

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

8MB

(2) 1M x 36

NONE

NONE

NONE

16MB

(2) 1M x 36

(2) 1M x 36

NONE

NONE

16MB

(2) 1M x 36

(2) 1M x 36

NONE

NONE

18MB

(2) 1M x 36

(2) 1M x 36

(2) 256K x 36

NONE

20MB

(2) 1M x 36

(2) 1M x 36

(2) 256K x 36

(2) 256K x 36

22MB

(2) 1M x 36

(2) 1M x 36

(2) 256K x 36

(2) 256K x 36

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

NONE

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

NONE

28MB

(2) 1M x 36

(2) 1M x 36

(2) 256K x 36

(2) 256K x 36

32MB

(2) 4M x 36

NONE

NONE

NONE

32MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

32MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

34MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

36MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

38MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

40MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

40MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

48MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

50MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

52MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

64MB

(2) 4M x 36

(2) 4M x 36

NONE

NONE

64MB

(2) 4M x 36

(2) 4M x 36

NONE

NONE

64MB

(2) 4M x 36

(2) 4M x 36

NONE

NONE

72MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

NONE

72MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

NONE

80MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

80MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

82MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

84MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

86MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

88MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

88MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

NONE

96MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

104MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

112MB

(2) 4M x 36

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

128MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

160MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

192MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

224MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

256MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

Note: The orientation of Banks 0 & 1 are unidentified. Banks 2 - 7 are located on external memory cards.

DRAM CONFIGURATION

Size

Bank 4

Bank 5

Bank 6

Bank 7

8MB

NONE

NONE

NONE

NONE

16MB

NONE

NONE

NONE

NONE

16MB

NONE

NONE

NONE

NONE

18MB

NONE

NONE

NONE

NONE

20MB

NONE

NONE

NONE

NONE

22MB

(2) 256K x 36

NONE

NONE

NONE

24MB

NONE

NONE

NONE

NONE

24MB

NONE

NONE

NONE

NONE

28MB

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

32MB

NONE

NONE

NONE

NONE

32MB

NONE

NONE

NONE

NONE

32MB

NONE

NONE

NONE

NONE

34MB

(2) 256K x 36

NONE

NONE

NONE

36MB

(2) 256K x 36

(2) 256K x 36

NONE

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 4

Bank 5

Bank 6

Bank 7

38MB

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

NONE

40MB

(2) 1M x 36

NONE

NONE

NONE

40MB

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

48MB

(2) 1M x 36

(2) 1M x 36

NONE

NONE

50MB

(2) 1M x 36

(2) 1M x 36

(2) 256K x 36

NONE

52MB

(2) 1M x 36

(2) 1M x 36

(2) 256K x 36

(2) 256K x 36

64MB

NONE

NONE

NONE

NONE

64MB

NONE

NONE

NONE

NONE

64MB

NONE

NONE

NONE

NONE

72MB

NONE

NONE

NONE

NONE

72MB

NONE

NONE

NONE

NONE

80MB

NONE

NONE

NONE

NONE

80MB

NONE

NONE

NONE

NONE

82MB

(2) 256K x 36

NONE

NONE

NONE

84MB

(2) 256K x 36

(2) 256K x 36

NONE

NONE

86MB

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

NONE

88MB

(2) 1M x 36

NONE

NONE

NONE

88MB

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

96MB

NONE

NONE

NONE

NONE

96MB

(2) 1M x 36

(2) 1M x 36

NONE

NONE

104MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

NONE

112MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

128MB

NONE

NONE

NONE

NONE

160MB

(2) 4M x 36

NONE

NONE

NONE

192MB

(2) 4M x 36

(2) 4M x 36

NONE

NONE

224MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

NONE

256MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

Note: The orientation of Banks 0 & 1 are unidentified. Banks 2 - 7 are located on external memory cards.

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Test mode disabled

15A2

pins 1 & 2 closed

 

Test mode enabled

15A2

pins 2 & 3 closed

»

Test mode disabled

15A3

pins 1 & 2 closed

 

Test mode enabled

15A3

pins 2 & 3 closed

MISCELLANEOUS TECHNICAL NOTE

Note: The 486/33TE (enhanced) board has the same orientation as the 486/33TE. The 486DX2/50TE board has the same orientation as the 486/50TE.