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BABY 286AIO

INFORMTECH INTERNATIONAL, INC.

BABY 286AIO

Processor

80286

Processor Speed

10/12MHz

Chip Set

Unknown

Max. Onboard DRAM

32MB

Cache

None

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, parallel port, serial ports (2)

NPU Options

80287

CONNECTIONS

Purpose

Location

Purpose

Location

Turbo LED

P1

IDE interface

P7

Speaker

P2

Parallel port

P8

Reset switch

P3

Serial port 1

P9

IDE interface LED

P4

Serial port 2

P10

Power LED & keylock

P5

Auxiliary keyboard

P12

Floppy drive interface

P6

External battery

P13

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Keyboard controller clock speed select 6MHz

J2

pins 1 & 2 closed

 

Keyboard controller clock speed select 12MHz

J2

pins 2 & 3 closed

NPU speed select 8MHz

J3

pins 3 & 4 closed

 

NPU speed select 6MHz

J3

pins 1 & 2 closed

 

NPU speed select 10MHz

J3

pins 5 & 6 closed

 

NPU speed select 12MHz

J3

pins 7 & 8 closed

DRAM speed select 100ns

J4

pins 3 & 4 closed

 

DRAM speed select 80ns

J4

pins 1 & 2 closed

 

DRAM speed select 120ns

J4

pins 5 & 6 closed

CPU speed select switchable from hardware (see below)

J10

Open

 

CPU speed select switchable from keyboard

J10

pins 1 & 2 closed

Memory size select total amount installed

J11

Open

 

Memory size select 256KB only (for testing purposes)

J11

Closed

Power good signal detect from power supply

J15

pins 2 & 3 closed

 

Power good signal detect from board

J15

pins 1 & 2 closed

Battery type select Alkaline 4.5VDC

J16

pins 1 & 2 closed

 

Battery type select Lithium 6VDC

J16

Open

DRAM wait states select zero

SW1/4

On

 

DRAM wait state select one

SW1/4

Off

Monitor type select color

SW1/5

On

 

Monitor type select monochrome

SW1/5

Off

Serial port 1 at 3F8-3FF using IRQ4 enabled

SW2/1

On

 

Serial port 1 at 3F8-3FF using IRQ4 disabled

SW2/1

Off

Serial port 2 at 2F8-2FF using IRQ3 enabled

SW2/2

On

 

Serial port 2 at 2F8-2FF using IRQ3 disabled

SW2/2

Off

Floppy drive interface enabled

SW2/5

On

 

Floppy drive interface disabled

SW2/5

Off

Early address latch enabled (#EALE) signal select enabled

SW2/7

Off

 

Address latch enable (#BALE) signal select enabled

SW2/7

On

Factory configured - do not alter

SW2/8

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(18) 41256

NONE

640KB

(18) 41256

(18) 4164

1MB

(18) 41256

(18) 41256

2MB

(18) 411000

NONE

4MB

(18) 411000

(18) 411000

DRAM SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

512KB

On

On

N/A

640KB

On

Off

On

1MB

On

Off

Off

2MB

Off

On

Off

4MB

Off

Off

Off

CPU SPEED CONFIGURATION

Speed

J1 pins 1 & 2

J1 pins 3 & 4

J1 pins 5 & 6

J10

OSC Y1/2

Open

Open

Closed

Open

8MHz

Closed

Closed

Closed

pins 2 & 3 closed

10MHz

Closed

Open

Open

Open

12MHz

Open

Closed

Open

Open

I/O BUS WAIT STATE CONFIGURATION

8-bit slot

16-bit slot

SW1/6

SW1/7

SW1/8

4 wait states

1 wait state

Off

On

On

6 wait states

2 wait states

Off

On

Off

8 wait states

3 wait states

Off

Off

On

10 wait states

4 wait states

Off

Off

Off

4 wait states

1 wait states

On

N/A (see note)

N/A (see note)

Note: When SW1/6 is closed, the dynamic wait state mode is enabled which automatically sets the wait states to accommodate the slowest card on the I/O bus.

BIOS CONFIGURATION

Type

J7

J8

27128

pins 1 & 2 closed

pins 1 & 2 closed

27256

pins 1 & 2 closed

pins 2 & 3 closed

27512

pins 2 & 3 closed

pins 2 & 3 closed

PARALLEL PORT CONFIGURATION

IRQ

SW2/3

SW2/4

IRQ7

On

Off

IRQ5

On

On

Disabled

Off

Off

IDE CONFIGURATION

Setting

J17

SW2/6

Enabled

pins 2 & 3 closed

On

Disabled

pins 1 & 2 closed

Off