HwMuseum | Index

SCI SYSTEMS, INC.

TC325DX/TC333DX

Processor

80386DX

Processor Speed

25/33MHz

Chip Set

VLSI Topcat

Max. Onboard DRAM

64MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Parallel port, serial ports (2), floppy drive interface, IDE interface, VGA port, PS/2 mouse interface

NPU Options

80387

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

P3

VGA port

P10

Parallel port

P4

Reset switch

P11

Floppy drive interface

P5

Speaker

P12

IDE interface

P6

Power LED & keylock

P13

Serial port 2

P7

Turbo LED

P14

PS/2 mouse interface

P9

IDE interface LED

P15

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

VGA interrupt request generation disabled

JP1

pins 1 & 2 closed

 

VGA interrupt request generation enabled

JP1

pins 2 & 3 closed

»

VGA port enabled

JP2

pins 2 & 3 closed

 

VGA port disabled

JP2

pins 1 & 2 closed

»

IDE drive installed select 1

JP3

Open

 

IDE drives installed select 2

JP3

Closed

»

Floppy drive generation of disk change signal disabled

JP5

pins 1 & 2 closed

 

Floppy drive generation of disk change signal enabled

JP5

pins 2 & 3 closed

»

Monitor type select color

JP6

pins 1 & 2 closed

 

Monitor type select monochrome

JP6

pins 2 & 3 closed

»

CMOS memory normal operation

JP7

pins 2 & 3 closed

 

CMOS memory clear

JP7

pins 1 & 2 closed

»

Address bus drive select 24mA

JP8

pins 2 & 3 closed

 

Address bus drive select 12mA

JP8

pins 1 & 2 closed

»

Data bus drive select 24mA

JP9

pins 2 & 3 closed

 

Data bus drive select 12mA

JP9

pins 1 & 2 closed

»

Factory configured - do not alter

SW1/1

Off

»

Factory configured - do not alter

SW1/2

On

»

Video mode select 1024x768 pixel resolution interlaced

SW1/5

On

 

Video mode select 1024x768 pixel resolution non-interlaced

SW1/5

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(1) 256K x 36

NONE

NONE

NONE

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

3MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 1M x 36

NONE

NONE

NONE

5MB

(1) 1M x 36

(1) 256K x 36

NONE

NONE

6MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

NONE

7MB

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

9MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

NONE

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

13MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

17MB

(1) 4M x 36

(1) 256K x 36

NONE

NONE

18MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

NONE

19MB

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

21MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

22MB

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

NONE

25MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

33MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

NONE

34MB

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

(1) 256K x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

NONE

37MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 256K x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

49MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 256K x 36

52MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

VIDEO CONFIGURATION

Setting

SW1/3

SW1/4

800x600 with 16 colors at 60Hz/ 800x600 with 256 colors at 56Hz

On

On

800x600 with 16 colors at 72Hz/800x600 with 256 colors at 56Hz

Off

On

VIDEO CONFIGURATION

Setting

SW1/3

SW1/4

800x600 at 60Hz

On

Off

800x600 at 56Hz

Off

Off