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





4860 MOTHERBOARD

HAUPPAUGE COMPUTER WORKS, INC.

4860 MOTHERBOARD

Processor

80486DX/i860

Processor Speed

25/33MHz

Chip Set

Intel

Max. onboard DRAM

32MB

Cache

None

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

Parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Reset switch

J9

Speaker

J19

Turbo LED/switch

J11

Keylock & power LED

J20

Serial port 1

J13

External battery

J21

Serial port 2

J14

PS/2 mouse interface

J23

Parallel port

J15

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

I860 interrupt select 61.7911msec

JP1

Pins 2 & 3 closed

 

I860 timer interrupt select 30.8955msec

JP1

Pins 1 & 2 closed

Turbocache not installed

JP2

Closed

 

Turbocache installed

JP2

Open

IRQ12 disabled

JP3

Pins 1 & 2 closed

 

IRQ12 enabled

JP3

Pins 2 & 3 closed

Serial port 1 address COM1 select

JP4

Pins 1 & 2 closed

 

Serial port 1 address COM3 select

JP4

Pins 2 & 3 closed

IRQ4 enabled

JP5

Closed

 

IRQ4 disabled

JP5

Open

Serial port 2 address COM2 select

JP6

Pins 1 & 2 closed

 

Serial port 2 address COM4 select

JP6

Pins 2 & 3 closed

IRQ3 enabled

JP7

Closed

 

IRQ3 disabled

JP7

Open

Parallel port address LPT2 select

JP8

Pins 2 & 3 closed

 

Parallel port address LPT1 select

JP8

Pins 1 & 2 closed

IRQ7 enabled

JP9

Closed

 

IRQ7 disabled

JP9

Open

Factory configured-do not alter

JP12

Closed

Factory configured-do not alter

JP13

Pins 2 & 3 closed

25MHz CPU speed select

JP14

Closed

 

33MHZ CPU speed select

JP14

Open

Write-protected caching by 486 & Turbocache

JP15

Open

 

Write protected caching by Turbocache only

JP15

Closed

Factory configured-do not alter

JP17

Open

64-bit slot write select CPUWR#

JP18

Pins 2 & 3 closed

 

64-bit slot write select BCPUWR#

JP18

Pins 1 & 2 closed

Monitor type select monochrome

SW1

Open

 

Monitor type select color

SW1

Pins 2 & 3 closed

 

Burn-in test enable

SW1

Pins 1 & 2 closed

MOUSE/KEYBOARD BIOS CONFIGURATION

Setting

JP11A

JP11B

JP11C

JP11D

JP11E

XT keyboard

Open

Open

Closed

Closed

Closed

Mouse, AT keyboard

Closed

Closed

Open

Open

Open

No mouse installed

Open

Open

Closed

Closed

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(2) 512K x 36

(2) 512K x 36

(2) 512K x 36

(2) 512K x 36

4MB

(2) 1MB x 36

(2) 1MB x 36

NONE

NONE

4MB

(2) 2MB x 36

NONE

NONE

NONE

6MB

(2) 1MB x 36

(2) 1MB x 36

(2) 1MB x 36

NONE

8MB

(2) 1MB x 36

(2) 1MB x 36

(2) 1MB x 36

(2) 1MB x 36

8MB

(2) 2MB x 36

(2) 2MB x 36

NONE

NONE

8MB

(2) 4MB x 36

NONE

NONE

NONE

12MB

(2) 2MB x 36

(2) 2MB x 36

(2) 2MB x 36

NONE

16MB

(2) 4MB x 36

(2) 4MB x 36

NONE

NONE

16MB

(2) 2MB x 36

(2) 2MB x 36

(2) 2MB x 36

(2) 2MB x 36

16MB

(2) 8M x 36

NONE

NONE

NONE

32MB

(2) 8M x 36

(2) 8M x 36

NONE

NONE