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TR-486DX

TRENTON TECHNOLOGY, INC.

TR-486DX

Processor

80486SX/80486DX/80486DX2/80486DX4/P24D/P24T

Processor Speed

33/50(internal)/50/66(internal)100(internal)MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

256KB

BIOS

AMI

Dimensions

Unidentified

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Power LED & keylock

P2

Serial port 2

P7

Floppy drive interface

P3

Parallel port

P8

Auxiliary keyboard connector

P4

CPU fan power

P9

Speaker

P5

Reset switch

P10

Combo I/O connector

P5A

IDE interface

P11

Serial port 1

P6

IDE interface LED

P12

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Monitor type select color

JU80

Pins 1 & 2 closed

 

Monitor type select monochrome

JU80

Pins 2 & 3 closed

»

Password normal operation

JU81

Open

 

Password clear

JU81

Closed

»

Watchdog timer disabled

JU82

Pins 1 & 2 closed

 

Watchdog timer enabled

JU82

Pins 2 & 3 closed

»

CMOS memory normal operation

JU83

Open

 

CMOS memory clear

JU83

Closed

»

Speaker data signal to pin 8 on P5A enabled

JU84

Closed

 

Speaker data signal to pin 8 on P5A disabled

JU84

Open

»

Reset data signal to pin 1 on P5A enabled

JU85

Closed

 

Reset data signal to pin 1 on P5A disabled

JU85

Open

SIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

None

None

None

8MB

(1) 2M x 36

None

None

None

8MB

(1) 1M x 36

(1) 1M x 36

None

None

12MB

(1) 2M x 36

(1) 1M x 36

None

None

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

None

16MB

(1) 4M x 36

None

None

None

16MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

None

16MB

(1) 2M x 36

(1) 2M x 36

None

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

(1) 4M x 36

(1) 1M x 36

None

None

20MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

None

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

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

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

28MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

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

36MB

(1) 8M x 36

(1) 1M x 36

None

None

40MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

None

40MB

(1) 8M x 36

(1) 2M x 36

None

None

SIMM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

44MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

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

56MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M 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

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

None

112MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

256KB

(8) 32K x 8

Note: Bank 0 is factory installed and is not configurable.

CPU TYPE SELECTION

Type

JU10

80486SX

Pins 2 & 3 closed

All other CPU types

Pins 1 & 2 closed

CPU TYPE SELECTION

Type

JU11

S-series CPU

Pins 2 & 3 closed

Non S-series CPU

Pins 1 & 2 closed

CPU TYPE SELECTION

Type

JU13

Non ODP CPU

Closed

ODP CPU

Open

CPU TYPE SELECTION

Type

JU14

P24D

Closed

P24T

Closed

All other CPU types

Open

CPU MULTIPLIER SELECTION

Multiplier

JU12

2x

Pins 2 & 3 closed

2.5x

Pins 1 & 2 closed

3x

Open

DMA CHANNEL SELECTION

Channel

JU103

JU104

3

Pins 7 & 8 closed

Pins 7 & 8 closed

5

Pins 5 & 6 closed

Pins 5 & 6 closed

6

Pins 3 & 4 closed

Pins 3 & 4 closed

7

Pins 1 & 2 closed

Pins 1 & 2 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

JU100

»

IRQ4

Pins 2 & 3 closed

 

IRQ3

Pins 1 & 2 closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

JU101

»

IRQ3

Pins 1 & 2 closed

 

IRQ4

Pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

JU102

»

IRQ7

Pins 1 & 2 closed

 

IRQ5

Pins 2 & 3 closed