YOUNG MICRO SYSTEMS, INC.

VEGA P54C-IDP

Processor

Pentium

Processor Speed

90/100MHz

Chip Set

Intel

Max. Onboard DRAM

192MB

Cache

256/512KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

External cache card, 32-bit PCI slots (3), green PC connector, PS/2 mouse connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse connector

CN1

Green PC connector

J24

Reset switch

CN2

32-bit PCI slots

PC1 - PC3

Speaker

CN3

Synchronous cache slot

SL1

Power LED & keylock

CN4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Chipset test mode disabled

J1

pins 2 & 3 closed

 

Chipset test mode enabled

J1

pins 1 & 2 closed

»

Pipeline mode enabled

J2

Closed

 

Pipeline mode disabled

J2

Open

»

Bus frequency select 2/3 bus speed

J3

pins 1 & 2 closed

 

Bus frequency select 1/2 bus speed

J3

pins 2 & 3 closed

»

Password select normal

J4

Open

 

Password select clear

J4

Closed

»

CMOS value select normal

J5

Open

 

CMOS value select clear

J5

Closed

»

Monitor type select color

J6

Open

 

Monitor type select monochrome

J6

Closed

»

Cache type select write back

J9

Open

 

Cache type select write through

J9

Closed

»

CMOS memory normal operation

J10

Open

 

CMOS memory clear

J10

Closed

»

PLL test mode select normal

J17

pins 2 & 3 closed

 

PLL test mode select test mode

J17

pins 1 & 2 closed

»

Cache type select standard

J18

pins 1 & 2 closed

 

Cache type select burst

J18

pins 2 & 3 closed

»

SIO select 378

J23

pins 2 & 3 closed

 

SIO select 379

J23

pins 1 & 2 closed

»

External SMI select normal

J24

Open

 

External SMI select force SMI

J24

Closed

»

Cache parity disabled

JP2

pins 1 & 2, 3 & 4 closed

 

Cache parity enabled

JP2

pins 1 & 3, 2 & 4 closed

»

APIC select 378

JP3

Open

 

APIC select 379

JP3

Closed

»

CMOS recovery select normal

JP4

pins 1 & 2 closed

 

CMOS recovery select recover

JP4

pins 2 & 3 closed

»

BIOS type select normal

JP5

pins 1 & 2 closed

 

BIOS type select flash

JP5

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

2MB

(2) 256K x 36

NONE

NONE

4MB

(2) 256K x 36

(2) 256K x 36

NONE

16MB

(2) 2M x 36

NONE

NONE

16MB

(2) 1M x 36

(2) 1M x 36

NONE

32MB

(2) 4M x 36

NONE

NONE

32MB

(2) 2M x 36

(2) 2M x 36

NONE

64MB

(2) 8M x 36

NONE

NONE

64MB

(2) 4M x 36

(2) 4M x 36

NONE

128MB

(2) 8M x 36

(2) 8M x 36

NONE

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

256KB

(8) 32K x 8

512KB

(8) 64K x 8

CACHE JUMPER CONFIGURATION

Size

J19

J20

None installed

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 1 & 2 closed

pins 2 & 3 closed

512KB

pins 2 & 3 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

J7

J8

90MHz

Closed

Closed

100MHz

Closed

Open