AMERICAN MEGATRENDS, INC.

EXCALIBUR PCI PENTIUM

Processor

Pentium

Processor Speed

60/66MHz

Chip Set

AMI

Max. Onboard DRAM

192MB

Cache

256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit PCI local bus slots (3), floppy drive interface, green PC monitor connector,

IDE interface, parallel port, PS/2 mouse port, SCSI interface, serial ports (2)

NPU Options

None

   

CONNECTIONS

Purpose

Location

Purpose

Location

Bus mouse port

P6

Turbo switch

P28

Parallel port

P8

IDE interface LED

P29

SCSI interface

P9

Power LED & keylock

P31

Serial port 2

P10

Speaker

P33

Floppy drive interface

P11

Reset switch

P34

Green PC monitor connector

P13

32-bit PCI local bus slot

PCI1

Serial port 1

P14

32-bit PCI local bus slot

PCI2

IDE interface

P15

32-bit PCI local bus slot

PCI3

Turbo LED

P27

   

USER CONFIGURABLE SETTINGS

Function

Jumper/Switch

Position

»

Parallel port interrupt select IRQ7

J2

pins 1 & 2 closed

 

Parallel port interrupt select IRQ5

J2

pins 2 & 3 closed

»

Parallel port DMA channel DRQ3

J3

pins 2 & 3 closed

 

Parallel port DMA channel DRQ1

J3

pins 1 & 2 closed

»

Front panel power LED is password LED

J4

pins 1 & 2 closed

 

Separate password LED using P32

J4

pins 2 & 3 closed

»

Flash EPROM voltage 12 volts

J6

pins 2 & 3 closed

 

Flash EPROM voltage 5 volts

J6

pins 1 & 2 closed

»

Factory configured - do not alter

P24

N/A

»

Speed select 60MHz

SW1/1

Off

 

Speed select 66MHz

SW1/1

On

»

Caching algorithm write-back

SW1/2

Off

 

Caching algorithm write-through

SW1/2

On

»

Flash ROM normal operation

SW1/3

Off

 

Reprogram the flash ROM from the floppy disk

SW1/3

On

»

Factory configured - do not alter

SW1/4

Off

»

Factory configured - do not alter

SW1/5

N/A

»

Factory configured - do not alter

SW1/6

N/A

»

Factory configured - do not alter

SW1/7

N/A

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

4MB

(2) 512K x 36

NONE

NONE

6MB

(2) 256K x 36

(2) 256K x 36

(2) 256K x 36

8MB

(2) 512K x 36

(2) 512K x 36

NONE

8MB

(2) 1M x 36

NONE

NONE

12MB

(2) 512K x 36

(2) 512K x 36

(2) 512K x 36

12MB

(2) 1M x 36

(2) 512K x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

NONE

16MB

(2) 2M x 36

NONE

NONE

20MB

(2) 1M x 36

(2) 1M x 36

(2) 512K x 36

20MB

(2) 2M x 36

(2) 512K x 36

NONE

24MB

(2) 1M x 36

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 512K x 36

(2) 512K x 36

24MB

(2) 2M x 36

(2) 1M x 36

NONE

32MB

(2) 4M x 36

NONE

NONE

32MB

(2) 2M x 36

(2) 2M x 36

NONE

32MB

(2) 2M x 36

(2) 1M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

NONE

48MB

(2) 4M x 36

(2) 1M x 36

(2) 1M x 36

48MB

(2) 2M x 36

(2) 2M x 36

(2) 2M x 36

64MB

(2) 8M x 36

NONE

NONE

64MB

(2) 4M x 36

(2) 4M x 36

NONE

64MB

(2) 4M x 36

(2) 2M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

NONE

96MB

(2) 8M x 36

(2) 2M x 36

(2) 2M x 36

96MB

(2) 4M x 36

(2) 4M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

NONE

128MB

(2) 8M x 36

(2) 4M x 36

(2) 4M x 36

192MB

(2) 8M x 36

(2) 8M x 36

(2) 8M x 36

DMA CHANNEL CONFIGURATION

DRQ

J3

J5

»

DRQ3/DACK3

pins 2 & 3 closed

pins 2 & 3 closed

 

DRQ1/DRQ1

pins 1 & 2 closed

pins 1 & 2 closed

PCI IDE IRQ14 CONNECTION

Type

SW1/8

PCI IDE installed in PCI1

On

PCI IDE not installed in PCI1

Off