CSS LABORATORIES, INC.

MINIMAX 333

Processor

80386DX

Processor Speed

8/33MHz

Chip Set

C & T

Max. Onboard DRAM

16MB

Cache

32/64/128KB

BIOS

AMI

I/O Options

16-bit external memory card slot, floppy drive interface, IDE interface, parallel port, serial ports (2)

NPU Options

80387DX

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Floppy drive interface

PJ1

Reset switch

J2

Parallel port

PJ2

Power LED & keylock

J3

Serial port 1

PJ3

Speaker

J7

Serial port 2

PJ4

Equipment panel connector

J39

IDE interface connector

PJ5

Hard drive access LED connector

J40

16-bit external memory card slot

SL1

IDE access light connector

LED

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

On-board floppy drive controller enabled

FD

pins 2 & 3 closed

 

On-board floppy drive controller disabled

FD

pins 1 & 2 closed

»

On-board IDE disk controller enabled

IDE

pins 2 & 3 closed

 

On-board IDE disk controller disabled

IDE

pins 1 & 2 closed

»

Factory configured - do not alter

J4

N/A

»

Color or EGA adaptor enabled

J5

pins 2 & 3 closed

 

Monochrome adaptor enabled

J5

pins 1 & 2 closed

 

Type 1 memory selector single sided SIMM

J8

pins 1 & 2 closed

 

Type 2 memory selector double sided SIMM

J8

pins 2 & 3 closed

»

Factory configured - do not alter

PJ8

N/A

SERIAL PORT 1 CONFIGURATION

COM

IRQ

I/O Address

PJ6

S0

S1

N/A

N/A

Disable

N/A

pins 1 & 2

pins 1 & 2

COM2

IRQ3

2F8h

pins 1 & 3

pins 1 & 2

pins 2 & 3

COM1

IRQ4

3F8h

pins 1 & 2

pins 2 & 3

pins 2 & 3

Note:Pins designated are in the closed position.

SERIAL PORT 2 CONFIGURATION

COM

IRQ

I/O Address

PJ6

S2

S3

N/A

N/A

Disable

N/A

pins 1 & 2

pins 1 & 2

COM1

IRQ4

3F8h

pins 2 & 4

pins 1 & 2

pins 2 & 3

COM2

IRQ3

2F8h

pins 3 & 4

pins 2 & 3

pins 2 & 3

Note:Pins designated are in the closed position.

PARALLEL PORT CONFIGURATION

LPT

IRQ

I/0 Address

P0

P1

PRT

N/A

N/A

Disable

pins 1 & 2

pins 1 & 2

N/A

LPT3

IRQ7

378h

pins 1 & 2

pins 2 & 3

pins 2 & 3

LPT2

IRQ5

278h

pins 2 & 3

pins 2 & 3

pins 1 & 2

LPT1

IRQ7

3BCh

pins 2 & 3

pins 1 & 2

pins 2 & 3

Note:Pins designated are in the closed position.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(1) 256K x 36

NONE

2MB

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

5MB

(1) 1M x 36

(1) 256K x 36

8MB

(1) 1M x 36

(1) 1M x 36

10MB

(1) 512K x 36

(1) 2M x 36

16MB

(1) 2M x 36

(1) 2M x 36

MISCELLANEOUS TECHNICAL NOTES

Note:The cache on the MINIMAX 333 is soldered on the board and is non configurable. The cache comes in 32K, 64K, and 128K. Jumpers W1 -W4 are for cache configuration that is not available on this board, but is available on other boards made by this manufacturer. ( a 486 version of the MINIMAX 333)