SCI SYSTEMS, INC.

TC316SX/TC320SX/TC325SX

Processor

80386SX

Processor Speed

16/20/25MHz

Chip Set

VLSI Topcat

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

Bus mouse port, floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port

NPU Options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port (COM1)

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 (COM2)

P7

Turbo LED

P14

PS/2 bus mouse

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

pins 1 & 2 closed

 

IDE drives installed select 2

JP3

pins 2 & 3 closed

»

Pipeline mode enabled

JP4

pins 2 & 3 closed

 

Pipeline mode disabled

JP4

pins 1 & 2 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

»

Factory configured - do not alter

SW1/switch 1

open

»

Factory configured - do not alter

SW1/switch 2

closed

»

Video mode select 1024x768 pixel resolution interlaced

SW1/switch 5

closed

 

Video mode select 1024x768 pixel resolution non-interlaced

SW1/switch 5

open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

NONE

1MB

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1MBx 9

NONE

2.5MB

(2) 1MBx 9

(2) 256K x 9

4MB

(2) 1MBx 9

(2) 1MBx 9

8MB

(2) 4MB x 9

NONE

8.5MB

(2) 4MB x 9

(2) 256K x 9

10MB

(2) 4MB x 9

(2) 1MBx 9

16MB

(2) 4MB x 9

(2) 4MB x 9

VIDEO CONFIGURATION

Setting

SW1/3

SW1/4

800x600 with 16 colors at 60Hz/800x600with 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