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POWERMATE

NEC TECHNOLOGIES, INC.

POWERMATE 386/25

Processor

80386DX

Processor Speed

25MHz

Chip Set

ETEQ

Max. Onboard DRAM

8MB (on system memory card)

Cache

None

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

Proprietary Serial/Parallel card, serial ports (2, on serial/parallel card), parallel port (on serial/parallel card), floppy drive interface, proprietary system memory card, proprietary external memory card slot (on system memory card)

NPU Options

80387/3167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

P1

Serial port 2

P10

Power LED & Keylock

P4

Turbo LED

P11

Parallel port

P5

Proprietary serial/parallel card

P12

Serial port 1

P6

Proprietary system memory card

S1

Floppy drive interface

P7

   

Note:Serial ports P6 & P10 and parallel port P5 are located on the proprietary serial/parallel card.

Diagrams for the proprietary serial/parallel card are unavailable.

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

NPU type select 3167

5L1/13G2

SW1/switch 7

pins 2 & 3 closed

open

 

NPU type select 80387

5L1/13G2

SW1/switch 7

pins 1 & 2 closed

closed

Pipeline mode disabled

8E2/13G1

pins 2 & 3 closed

 

Pipeline mode enabled

8E2/13G1

pins 1 & 2 closed

Test mode disabled

13A1

Open

 

Test mode enabled

13A1

Closed

Keyboard controller test mode disabled

20B2

Open

 

Keyboard controller test mode enabled

20B2

Closed

Monitor type select color

SW1/1

On

 

Monitor type select monochrome

SW1/1

Off

Floppy drive interface address select primary

SW1/2

Off

 

Floppy drive interface address select secondary

SW1/2

On

Floppy drive interface enabled

SW1/3

On

 

Floppy drive interface disabled

SW1/3

Off

Serial port 2 select COM2

SW1/4

On

 

Serial port 2 disabled

SW1/4

Off

Serial port 1 select COM1

SW1/5

On

 

Serial port 1 disabled

SW1/5

Off

System enabled

SW1/6

On

 

System disabled

SW1/6

Off

Factory configured - do not alter

SW1/8

Off

Factory configured - do not alter

SW1/9

Off

Factory configured - do not alter

SW1/10

Off

 

Notes:Serial ports P6 & P10 and parallel port P5 are located on the proprietary serial/parallel card.

Depending on the revision number of the mainboard, the board will have either jumpers

5L1 and 8E2 or 13G1 and 13G2, but not both sets.

NPU TYPE CONFIGURATION

Type

5L1

13G2

SW1/7

3167

pins 2 & 3 closed

pins 2 & 3 closed

Off

80387

pins 1 & 2 closed

pins 1 & 2 closed

On

CONNECTIONS

Purpose

Location

Proprietary external memory card

S1

DRAM CONFIGURATION

Size

Bank 0

P-0

2MB

(16) 44256

(8) 41256

Note:The locations of Bank 0and P-0 are unidentified.

SYSTEM MEMORY CARD (G8EGX)

CONNECTIONS

Purpose

Location

Proprietary external memory card

S1

DRAM CONFIGURATION

Size

Bank 0

8MB

(72) 44256