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POWERMATE 386SXMB

NEC TECHNOLOGIES, INC.

POWERMATE 386SXMB

Processor

80386SX

Processor Speed

12/16MHz

Chip Set

ETEQ

Max. Onboard DRAM

32MB

Cache

16/32KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Proprietary external memory card slot

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

JP8

Proprietary external memory card

S2

External battery

JP10

Reset switch

SW1

Power LED & keylock

JP11

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Monitor type select color

JP1

closed

 

Monitor type select monochrome

JP1

open

Auxiliary Reference Burst enabled

JP7

pins 1 & 2 closed

 

Auxiliary Reference Burst disabled

JP7

pins 2 & 3 closed

 

Battery select internal

JP9

pins 1 & 2 closed

 

Battery select external

JP9

pins 2 & 3 closed

Proprietary system logic enabled

JP31

closed

Proprietary system logic enabled

JP31

closed

Main Reference Burst enabled

JP45

pins 1 & 2 closed

 

Main Reference Burst disabled

JP45

pins 3 & 4 closed

Factory configured - do not alter

JP48

open

Factory configured - do not alter

S1/switch 1

open

Factory configured - do not alter

S1/switch 2

open

Redundancy circuit duplication enabled

S1/switch 3

closed

 

Redundancy circuit duplication disabled

S1/switch 3

open

Cache tag bit size select 16-bit

S1/switch 4

open

 

Cache tag bit size select 32-bit

S1/switch 4

closed

Board power select Direct Current

S1/switch 5

open

 

Board power select Alternating Current (onboard converter)

S1/switch 5

closed

Flash ROM programming disabled

S1/switch 6

open

 

Flash ROM programming enabled

S1/switch 6

closed

Factory configured - do not alter

J1

open

Factory configured - do not alter

J2

open

Factory configured - do not alter

J3

open

Factory configured - do not alter

J4

open

Factory configured - do not alter

J5

open

Factory configured - do not alter

J7

open

Factory configured - do not alter

J10

open

Factory configured - do not alter

J23

open

Factory configured - do not alter

J68

open

Factory configured - do not alter

J101

open

Factory configured - do not alter

J102

open

Factory configured - do not alter

J103

open

Factory configured - do not alter

J206

open

Factory configured - do not alter

J207

open

Factory configured - do not alter

J208

open

Factory configured - do not alter

J209

open

Factory configured - do not alter

J212

open

Factory configured - do not alter

J213

open

Note:Locations of jumpers J1 - J213 are unknown.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1 M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 256K x 9

(4) 4M x 9

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Cache SRAM

TAG

16KB

(4) 8K x 4

(1) 2K x 2

32KB

(8) 8K x 4

(1) 2K x 2

CACHE JUMPER CONFIGURATION

Jumper

JP4

JP5

JP6

JP20

JP21

16KB

Closed

pins 1 & 2 closed

pins 2 & 3 closed

Open

Closed

32KB

Open

pins 2 & 3 closed

pins 1 & 2 closed

Closed

Open