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POWERMATE

NEC TECHNOLOGIES, INC.

POWERMATE 386/20

Processor

80386DX

Processor Speed

20MHz

Chip Set

ETEQ

Max. Onboard DRAM

8MB (on system memory card)

Cache

None

Dimensions

330.2mm x 218.4mm

BIOS

Phoenix

I/O Options

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

NPU Options

80287/80387

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

P1

Floppy drive interface

P7

External battery

P3

Serial port 2

P10

Keylock

P4

Turbo LED

P11

Parallel port

P5

32-bit external memory card

S1

Serial port 1

P6

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Manufacturer test mode disabled

11L1

Open

 

Manufacturer test mode enabled

11L1

Closed

Pipeline mode enabled

14L2

pins 1 & 2 closed

 

Pipeline mode disabled

14L2

pins 2 & 3 closed

Test mode disabled

19A1

Open

 

Test mode enabled

19A1

Closed

Floppy drive type select single speed

23G1

pins 1 & 2 closed

 

Floppy drive type select dual speed

23G1

pins 2 & 3 closed

Factory configured - do not alter

SW1/1

Off

Factory configured - do not alter

SW1/2

Off

Factory configured - do not alter

SW1/3

Off

Factory configured - do not alter

SW1/4

On

Test mode switch disabled

SW1/5

On

 

Test mode switch enabled

SW1/5

Off

DRAM speed select 0 wait states

SW1/6

On

 

DRAM speed select 1 wait state

SW1/6

Off

Factory configured - do not alter

SW1/9

Off

Factory configured - do not alter

SW1/10

Off

Monitor type select color

SW2/1

On

 

Monitor type select monochrome

SW2/1

Off

Floppy drive interface address select primary

SW2/2

Off

 

Floppy drive interface address select secondary

SW2/2

On

Floppy drive interface enabled

SW2/3

On

 

Floppy drive interface disabled

SW2/3

Off

Serial port 2 select COM2

SW2/4

On

 

Serial port 2 disabled

SW2/4

Off

Serial port 1 select COM1

SW2/5

On

 

Serial port 1 disabled

SW2/5

Off

System enabled

SW2/6

On

 

System disabled

SW2/6

Off

NPU enabled

SW2/7

On

 

NPU disabled

SW2/7

Off

NPU type select 80287

SW2/8

Off

 

NPU type select 80387

SW2/8

On

NPU CONFIGURATION (80287)

Speed

19C1

19C2

19C3 (27F1)

 

5.3MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

 

8MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 2 & 3 closed

10MHz

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Note:Depending on the revision # of the mainboad, the board will have either jumper 19C3 or 27F1.

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 0 and P-0 are unidentifed.

CONNECTIONS

Purpose

Location

Proprietary external memory card

S1

DRAM CONFIGURATION

Size

Bank 0

8MB

(72) 44256