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MID-SIZE BRAVO 486/33 (MODEL 202385-002)

AST RESEARCH, INC.

MID-SIZE BRAVO 486/33 (MODEL 202385-002)

Processor

80486DX

Processor Speed

33MHz

Chip Set

AST

Max. Onboard DRAM

16MB

SRAM Cache

None

BIOS

AST

Dimensions

340mm x 245mm

I/O Options

Bus mouse port, floppy drive interface

IDE interface, parallel port, serial port (2), SVGA port

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

SVGA port

CN1

Floppy drive interface

J24

Bus mouse port

CN2

External battery

J26

Serial port 1 (COM1)

CN3

Speaker

J27

Parallel port

CN4

Fan power

J28

VGA pass-through

J19

Front panel switches & LEDs

P29

Serial port 2 (COM2)

J20

IDE interface LED

J40

IDE interface

J22

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

Parity check enabled

E1

closed

 

Parity check disabled

E1

open

Factory configured - do not alter

E2

pins 2 & 3 closed

Factory configured - do not alter

E3

pins 2 & 3 closed

VGA port enabled

SW1/switch 1

closed

 

VGA port disabled

SW1/switch 1

open

Password check enabled

SW1/switch 2

open

 

Password check disabled

SW1/switch 2

closed

Factory configured - do not alter

SW1/switch 3

open

Factory configured - do not alter

SW1/switch 4

open

Factory configured - do not alter

SW1/switch 5

closed

Factory configured - do not alter

SW1/switch 6

closed

Monitor type select PS/2 style

SW1/switch 7

closed

 

Monitor type select AT style

SW1/switch 7

open

Monitor type select VGA or fixed-frequency

SW1/switch 8

open

 

Monitor type select multi-frequency

SW1/switch 8

closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 1M x 9

NONE

4MB

(2) 1M x 9

(2) 1M x 9

8MB

(2) 4M x 9

NONE

10MB

(2) 4M x 9

(2) 1M x 9

16MB

(2) 4M x 9

(2) 4M x 9

VRAM CONFIGURATION

Size

VRAM

256KB

NONE

512KB

(2) 44256