EXCALIBUR PCI PENTIUM Motherboard Settings and Configuration

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

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EXCALIBUR PCI PENTIUM Motherboard Settings and Configuration

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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