YOUNG MICRO SYSTEMS, INC.

CROSS P54C-VIP (REV. 1.0)

Processor

Pentium

Processor Speed

90/100MHz

Chip Set

OPTI

Max. Onboard DRAM

128MB

Cache

256/512/1024/2048KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (3), 32-bit PCI slots (4), PS/2 mouse connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse connector

CN1

Reset switch

CN5

External battery

CN2

32-bit VESA local bus slots

SL1 - SL3

Power LED & keylock

CN3

32-bit PCI slots

PC1 - PC4

Speaker

CN4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

JP1

Open

»

Factory configured - do not alter

JP3

Open

»

Factory configured - do not alter

JP4

Open

»

Factory configured - do not alter

JP5

pins 2 & 3 closed

»

Factory configured - do not alter

JP9

Closed

»

Factory configured - do not alter

JP10

Closed

»

Factory configured - do not alter

JP16

pins 2 & 3 closed

»

Factory configured - do not alter

JP18

Closed

»

Factory configured - do not alter

JP19

Open

»

Factory configured - do not alter

JP25

pins 2 & 3 closed

»

Factory configured - do not alter

JP27

pins 2 & 3 closed

»

Factory configured - do not alter

JP28

pins 1 & 2 closed

»

CMOS memory normal operation

JP30

pins 2 & 3 closed

 

CMOS memory clear

JP30

pins 1 & 2 closed

»

AT speed select fast

JP33

Closed

 

AT speed select slow

JP33

Open

»

Factory configured - do not alter

JP34

Open

»

Factory configured - do not alter

JP35

Open

»

Flash BIOS type select normal

JP90

pins 1 & 2 closed

 

Flash BIOS type select programming

JP90

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 512K x 36

NONE

4MB

(2) 256K x 36

(2) 256K x 36

8MB

(2) 1M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

32MB

(2) 4M x 36

NONE

40MB

(2) 1M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

64MB

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

DIRTY

TAG

256KB

(8) 32K x 8

NONE

(4) 16K x 1

(1) 8K x 8

512KB

(8) 32K x 8

(8) 32K x 8

(4) 64K x 1

(1) 32K x 8

1MB

(8) 128K x 8

NONE

(4) 64K x 1

(1) 128K x 8

2MB

(8) 128K x 8

(8) 128K x 8

(4) 64K x 1

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP6

JP7

JP8

JP11

JP14

256KB

Open

Closed

Closed

1 & 2

1 & 2

512KB

Closed

Closed

Closed

2 & 3

2 & 3

1MB

Closed

Closed

Closed

1 & 2

1 & 2

2MB

Closed

Closed

Closed

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CACHE JUMPER CONFIGURATION (CON’T)

Size

JP15

JP94

JP95

JP97

JP98

256KB

1 & 2

N/A

N/A

Open

Open

512KB

2 & 3

N/A

N/A

Open

Open

1MB

1 & 2

1 & 2

1 & 2

Open

Closed

2MB

2 & 3

2 & 3

2 & 3

Closed

Closed

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP20

JP21

90MHz

Closed

Closed

100MHz

Closed

Open

AT CLOCK CONFIGURATION

Type

JP31

JP32

LCLK/2

Open

Open

LCLK/3

Closed

Open

LCLK/4

Open

Closed

LCLK/5

Closed

Closed

VESA WAIT STATE CONFIGURATION

Wait states

JP43

0 wait states

Open

1 wait state

Closed

BUS SPEED CONFIGURATION

CPU speed

JP41

<= 33MHz

Open

> 33MHz

Closed