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MODEL 2030

JC INFORMATION SYSTEMS CORPORATION

MODEL 2030

Processor

80486SX/80487SX/80486DX/80486DX2

Processor Speed

20/25/33/40/50(internal)/50/66(internal)MHz

Chip Set

C & T

Max. Onboard DRAM

64MB

Cache

64/256KB

BIOS

C & T

Dimensions

330mm x 218mm

I/O Options

32-bit VESA card slot

Multi-mode type local bus card slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J1

Speaker

J5

Turbo LED

J2

Reset switch

S9

Turbo switch

J3

Multi-mode/local bus card

L1

Power LED & keylock

J4

32-bit VESA card

V1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

BIOS type select Flash ROM

W5

pins 1 & 2 closed

 

BIOS type select EPROM

W5

pins 2 & 3 closed

Monitor type select monochrome

W9

open

 

Monitor type select color

W9

closed

CMOS memory normal operation

W11

pins 2 & 3 closed

 

CMOS memory clear

W11

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(4) 1M x 9

NONE

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

64MB

(4) 16M x 9

NONE

CPU TYPE CONFIGURATION

Type

W12

W13

W14

80486DX2

pins 2 & 3 closed

closed

pins 1 & 2 closed

80486DX

pins 2 & 3 closed

closed

pins 1 & 2 closed

80487SX

pins 1 & 2 closed

closed

pins 1 & 2 closed

80486SX

N/A

N/A

pins 2 & 3 closed

CPU CONFIGURATION

Speed

OSCI

S0

S1

S2

W7

W8

20MHz

40MHz

closed

open

closed

pins 1 & 2

pins 1 & 2

25MHz

50MHz

open

open

closed

pins 1 & 2

pins 1 & 2

33MHz

66MHz

closed

closed

open

pins 1 & 2

pins 1 & 2

40MHz

80MHz

open

closed

open

pins 1 & 2

pins 1 & 2

50(internal)MHz

50MHz

open

open

closed

pins 2 & 3

pins 2 & 3

50MHz

50MHz

open

open

closed

pins 1 & 2

pins 1 & 2

66(internal)MHz

66MHz

closed

closed

open

pins 1 & 2

pins 1 & 2

Note:Pins designated should be in the closed position.

CACHE JUMPER CONFIGURATION

Size

W10

W15

W16

64KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

256KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

Note:The location of Jumper W15 and W16 may vary.

CACHE CONFIGURATION

Size

Cache CACHE

Location

TAG

64KB

(8) 8K x 8

CACHE

(2) 16K x 1

256KB

(8) 32K x 8

CACHE

(2) 16K x 1