TANDY/RADIO SHACK

3000HD (GATE ARRAY VERSION)

Processor

80286

Processor Speed

8MHz

Chip Set

C & T

Video Chip Set

None

Maximum Onboard Memory

1MB

Maximum Video Memory

None

Cache

None

BIOS

Unidentified

Dimensions

462mm x 458mm

I/O Options

None

NPU Options

80287

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Monitor type select monochrome

J1

Pins 2 & 3 closed

 

Monitor type select color

J1

Pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(18) 41256

None

640KB

(18) 41256

(18) 4164

1MB

(18) 41256

(18) 41256

Note: The location of banks 0 & 1 are unidentified.

DRAM JUMPER CONFIGURATION

Size

J2

J3

512KB

Closed

Open

640KB

Open

Closed

1MB

Open

Open

BIOS SELECTION

Type

J4

J5

J6

J7

16KB

Closed

Open

Closed

Open

32KB (not used)

Open

Closed

Open

Closed