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FASTboard/386 for the Premium/286 Motherboard Settings and Configuration







AST RESEARCH, INC.

FASTboard/386 for the Premium/286

Models 202143-00x

Processor

80286/80386DX

Processor Speed

10MHz

Chip Set

AST

Max. Onboard DRAM

8MB

SRAM Cache

None

BIOS

AST

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

80387

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

NPU disabled

E1

open

 

NPU enabled

E1

closed

Factory configured - do not alter

E2

open

Parity check enabled

SW1/switch 4

open

 

Parity check disabled

SW1/switch 4

closed

Note:SW2 is used to toggle between the 80286 and the 80386 CPUs at power-on.

DRAM CONFIGURATION

Size

SW1/switch 1

SW1/switch 2

SW1/switch 3

Bank 0

Bank 1

1MB

open

open

open

(4) 256K x 9

NONE

2MB

closed

open

open

(4) 256K x 9

(4) 256K x 9

4MB

open

closed

open

(4) 1M x 9

NONE

5MB

closed

open

closed

(4) 256K x 9

(4) 1M x 9

8MB

closed

closed

closed

(4) 1M x 9

(4) 1M x 9

Note: When using the FASTboard/386 in a Premium/286 with a FASTram Memory Board installed, SW1/switch 5 should be in the open position and SW1/switch 6 to SW1/switch 10 should be left in their default positions on the FASTram Memory Board.










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