YOUNG MICRO SYSTEMS, INC.

VS486F

Processor

80486SX/80486DX/80486DX2

Processor Speed

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

Chip Set

Symphony

Max. Onboard DRAM

32MB

Cache

64/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

None

NPU Options

4167

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

CN1

Turbo LED

CN4

Power LED & keylock

CN2

Turbo switch

CN5

Reset switch

CN3

   

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 1M x 9

(4) 256K x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

17MB

(4) 4M x 9

(4) 256K x 9

20MB

(4) 4M x 9

(4) 1M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CPU TYPE CONFIGURATION

Type

JP11

JP10

JP9

JP8

JP7

JP6

JP5

JP4

JP3

JP2

80486SX

Closed

Open

Open

Open

Open

Closed

Closed

Open

Closed

Open

80486DX

Open

Closed

Closed

Closed

Closed

Open

Closed

Closed

Closed

Open

80486DX2

Closed

Open

Open

Open

Closed

Open

Closed

Closed

Closed

Open

CACHE CONFIGURABLE

Size

Cache

TAG

64KB

(8) 8K x 8

(1) 8K x 8

256KB

(8) 32K x 8

(1) 8K x 8

CACHE JUMPER CONFIGURATION

Size

JP17

JP16

JP15

JP14

JP13

JP12

64KB

Closed

Open

Closed

Open

Closed

Open

256KB

Open

Closed

Open

Closed

Open

Closed