...because we can't all be on the bleeding edge...





386SX-25 (Model 316)

CACHE COMPUTERS, INC.

386SX-25 (Model 316)

   

Processor

80386SX

Processor speed

20/25MHz

Chip Set

OPTI

Max. Onboard DRAM

16MB

Cache

None

BIOS

AMI/Cache

Dimensions

330.2mm x 218.4mm

I/O Options

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

NPU options

80387SX

CONNECTIONS

Purpose

Location

Purpose

Location

Auxiliary keyboard

J1

Game port

P3

External battery

J3

Bus mouse port

P4

IDE interface LED

J13

IDE interface

P5

Speaker

J21

Floppy drive interface

P6

Power LED & keylock

J22

Parallel port

P7

Turbo LED

JP3

Reset switch

S1

Serial port 0

P1

Turbo switch

S2

Serial port 1

P2

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

CMOS memory normal operation (internal battery)

JP1

pins 2 & 3 closed

 

CMOS memory normal operation (external battery)

JP1

Open

 

CMOS memory clear

JP1

pins 1 & 2 closed

Monitor type select color (AMI BIOS)

JP2

Closed

 

Monitor type select monochrome (AMI BIOS)

JP2

Open

Password enabled (Cache BIOS)

JP2

Closed

 

Password disabled (Cache BIOS)

JP2

Open

Floppy drive interface-(P6) enabled

SW1/1

Off

 

Floppy drive interface-(P6) disabled

SW1/1

On

IDE interface-(P5) enabled

SW1/2

Off

 

IDE interface (P5) disabled

SW1/2

On

Serial port 0 (P1) enabled

SW1/3

Off

 

Serial port 0 (P1) disabled

SW1/3

On

Serial port 1 (P2) enabled

SW1/4

Off

 

Serial port 1 (P2) disabled

SW1/4

On

Game port (P3) enabled

SW1/5

Off

 

Game port (P3) disabled

SW1/5

On

Parallel port (P7) enabled

SW1/6

Off

 

Parallel port (P7) disabled

SW1/6

On

Bus mouse port (P4) enabled

SW1/7

Off

 

Bus mouse port (P4) disabled

SW1/7

On

Floppy drive interface (P6) address select 1F0-1F7

W3

Open

 

Floppy drive interface (P6) address select 170-177

W3

Closed

IDE address select 3F1-3F7

W4

Open

 

IDE address select 371-377

W4

Closed

Serial port 0 (P1) address select 3F8-3FF

W5

Open

 

Serial port 0 (P1) address select 3E8-3EF

W5

Closed

Serial port 1 (P2) address select 2F8-2FF

W6

Open

 

Serial port 1 (P2) address select 2E8-2EF

W6

Closed

Parallel port (P7) address select 378-37F

W7

Open

 

Parallel port (P7) address select 278-27F

W7

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(2) 256K x 9

(2) 256K x 9

NONE

NONE

2MB

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

(2) 256K x 9

2MB

(2) 1M x 9

NONE

NONE

NONE

3MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

NONE

NONE

5MB

(2) 256K x 9

(2) 256K x 9

(2) 1M x 9

(2) 1M x 9

6MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

NONE

8MB

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

(2) 1M x 9

9MB

(2) 256K x 9

(2) 256K x 9

(2) 4M x 9

NONE

10MB

(2) 1M x 9

(2) 4M x 9

NONE

NONE

12MB

(2) 1M x 9

(2) 1M x 9

(2) 4M x 9

NONE

16MB

(2) 4M x 9

(2) 4M x 9

NONE

NONE

BUS MOUSE INTERRUPT CONFIGURATION

IRQ

W1

W2

IRQ5

Open

Closed

IRQ2

Closed

Open

None

Open

Open