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CACHE BAT 486 (Model 319)

CACHE COMPUTERS, INC.

CACHE BAT 486 (Model 319)

Processor

80486SX/80486DX

Processor Speed

20/25/33/40/50MHz

Chip Set

UMC

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI/MR

Dimensions

330mm x 218mm

I/O Options

Serial ports (2), parallel port, game port, bus mouse port, floppy drive interface, IDE interface, 32-bit external memory card slot

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Serial port COM1

P1

IDE LED

J3

Serial port COM2

P2

Auxiliary keyboard

J8

Game port

P3

Speaker

J10

Bus mouse port

P4

Power LED & keylock

J11

Parallel port

P5

Reset switch

J12

IDE interface

P6

Turbo switch

J13

Floppy drive interface

P7

Turbo LED

J14

32-bit external memory slot

S1

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Floppy drive enabled

SW3/1

Off

 

Floppy drive disabled

SW3/1

On

»

IDE interface enabled

SW3/2

Off

 

IDE interface disabled

SW3/2

On

»

Serial port COM1 (P1) enabled

SW3/3

Off

 

Serial port COM1 (P1) disabled

SW3/3

On

»

Serial port COM2 (P2) enabled

SW3/4

Off

 

Serial port COM2 (P2) disabled

SW3/4

On

»

Game port enabled

SW3/5

Off

 

Game port disabled

SW3/5

On

»

Parallel port enabled

SW3/6

Off

 

Parallel port disabled

SW3/6

On

»

Bus mouse port enabled

SW3/7

Off

 

Bus mouse port disabled

SW3/7

On

»

CMOS memory normal operation

W1

Open

 

CMOS memory clear

W1

Closed

»

Monitor type select color (AMI BIOS)

W2

Open

 

Monitor type select monochrome (AMI BIOS)

W2

Closed

»

Password enabled (MR BIOS)

W2

Open

 

Password disabled (MR BIOS)

W2

Closed

»

Floppy drive interface address select 1F0-1F7h

W5

Open

 

Floppy drive interface address select 170-177h

W5

Closed

»

IDE interface address select 3F1-3F7h

W6

Open

 

IDE interface address select 371-377h

W6

Closed

»

Serial port (P1) select COM1 at address 3F8-3FFh

W7

Open

 

Serial port (P1) select COM3 at address 3E8-3EFh

W7

Closed

»

Serial port (P2) select COM2 at address 2F8-2FFh

W8

Open

 

Serial port (P2) select COM4 at address 2E8-2EFh

W8

Closed

»

Parallel port (P5) select LPT1 at address 378-37Fh

W9

Open

 

Parallel port (P5) select LPT2 at address 278-27Fh

W9

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

3MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

NONE

4MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

NONE

7MB

(4) 256K x 9

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

10MB

(4) 256K x 9

(4) 256K x 9

(4) 1M x 9

(4) 1M x 9

12MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

NONE

16MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

NONE

NONE

17MB

(4) 256K x 9

(4) 4M x 9

NONE

NONE

18MB

(4) 256K x 9

(4) 256K x 9

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

24MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

NONE

28MB

(4) 1M x 9

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

36MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

NONE

40MB

(4) 1M x 9

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

48MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

NONE

52MB

(4) 1M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

64MB

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

(4) 4M x 9

Notes:Banks 2 and 3 are utilized when a 32-bit external memory card is installed at S1.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

64KB

(4) 8K x 8

(4) 8K x 8

128KB

(4) 32K x 8

NONE

256KB

(4) 32K x 8

(4) 32K x 8

CACHE JUMPER CONFIGURATION

Size

W10

W11

W12

W13

64KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

128KB

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

W24

W25

80486SX

Closed

pins 2 & 3 closed

80486DX

Open

pins 1 & 2, 3 & 4 closed

BUS MOUSE IRQ CONFIGURATION

IRQ

W3

W4

IRQ2

Closed

Open

IRQ5

Open

Closed

Disabled

Open

Open