SI54AEIO Motherboard Settings and Configuration

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SI54AEIO

Processor
Pentium
Processor Speed
75/90/100MHz
Chip Set
SIS
Max. Onboard DRAM
128MB
Cache
256/512/1024KB
BIOS
Award
Dimensions
330mm x 218mm
I/O Options
Parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Parallel port
J4
Reset switch
J11
Serial port 1
J5
Speaker
J12
Serial port 2
J6
Power LED & keylock
J13
Floppy drive interface
J7
Turbo LED
LED1
IDE interface 2
J8
IDE interface LED
LED2
IDE interface 1
J9
32-bit PCI slots
PC1 - PC4
Turbo switch
J10

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
On board I/O enabled
JP3
pins 1 & 2 closed

On board I/O disabled
JP3
pins 2 & 3 closed
»
IDE interface enabled
JP4
Open

IDE interface disabled
JP4
Closed
»
Parity check enabled
JP5
Closed

Parity check disabled
JP5
Open
»
BIOS type select EPROM
JP6
pins 1 & 2 closed

BIOS type select flash BIOS 5v
JP6
pins 1 & 2 closed

BIOS type select flash BIOS 12v
JP6
pins 2 & 3 closed
»
Cache always invalidated
JP13
pins 1 & 2 closed

Cache write to invalidated
JP13
pins 2 & 3 closed
»
Cache type select write back
JP14
pins 1 & 2 closed

Cache type select write through
JP14
pins 2 & 3 closed
»
Factory configured - do not alter
JP15
N/A
»
Factory configured - do not alter
JP17
N/A

DRAM CONFIGURATION
Size
Bank 0
Bank 1
2MB
(2) 256K x 36
NONE
4MB
(2) 256K x 36
(2) 256K x 36
4MB
(2) 512K x 36
NONE
8MB
(2) 512K x 36
(2) 512K x 36
8MB
(2) 1M x 36
NONE
16MB
(2) 1M x 36
(2) 1M x 36
16MB
(2) 2M x 36
NONE
20MB
(2) 512K x 36
(2) 2M x 36
32MB
(2) 2M x 36
(2) 2M x 36
32MB
(2) 4M x 36
NONE
36MB
(2) 512K x 36
(2) 4M x 36
40MB
(2) 1M x 36
(2) 4M x 36
48MB
(2) 2M x 36
(2) 4M x 36
64MB
(2) 4M x 36
(2) 4M x 36
64MB
(2) 8M x 36
NONE
80MB
(2) 2M x 36
(2) 8M x 36
128MB
(2) 8M x 36
(2) 8M x 36
128MB
(2) 16M x 36
NONE

DRAM JUMPER CONFIGURATION
Type
JP7
Single side only
pins 2 & 3 closed
Single and double side
pins 1 & 2, 3 & 4 closed

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
256KB
(4) 32K x 8
(4) 32K x 8
(2) 32K x 8
512KB
(4) 64K x 8
(4) 64K x 8
(2) 32K x 8
1MB
(4) 128K x 8
(4) 128K x 8
(2) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JP11
JP12
256KB
Open
Open
512KB
Closed
Closed
1MB
Closed
Closed

CPU SPEED CONFIGURATION
Speed
JP8
75MHz
pins 2 & 3, 5 & 6, 7 & 8 closed
90MHz
pins 2 & 3, 4 & 5, 8 & 9 closed
100MHz
pins 1 & 2, 5 & 6, 7 & 8 closed

DMA CONFIGURATION
DMA
JP1
JP2
DMA1
pins 1 & 2 closed
pins 2 & 3 closed
DMA3
pins 2 & 3 closed
pins 1 & 2 closed

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SI54AEIO Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	75/90/100MHz
Chip Set	SIS
Max. Onboard DRAM	128MB
Cache	256/512/1024KB
BIOS	Award
Dimensions	330mm x 218mm
I/O Options	Parallel port, serial ports (2), 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Parallel port	J4	Reset switch	J11
Serial port 1	J5	Speaker	J12
Serial port 2	J6	Power LED & keylock	J13
Floppy drive interface	J7	Turbo LED	LED1
IDE interface 2	J8	IDE interface LED	LED2
IDE interface 1	J9	32-bit PCI slots	PC1 - PC4
Turbo switch	J10

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	On board I/O enabled	JP3	pins 1 & 2 closed
	On board I/O disabled	JP3	pins 2 & 3 closed
»	IDE interface enabled	JP4	Open
	IDE interface disabled	JP4	Closed
»	Parity check enabled	JP5	Closed
	Parity check disabled	JP5	Open
»	BIOS type select EPROM	JP6	pins 1 & 2 closed
	BIOS type select flash BIOS 5v	JP6	pins 1 & 2 closed
	BIOS type select flash BIOS 12v	JP6	pins 2 & 3 closed
»	Cache always invalidated	JP13	pins 1 & 2 closed
	Cache write to invalidated	JP13	pins 2 & 3 closed
»	Cache type select write back	JP14	pins 1 & 2 closed
	Cache type select write through	JP14	pins 2 & 3 closed
»	Factory configured - do not alter	JP15	N/A
»	Factory configured - do not alter	JP17	N/A

DRAM CONFIGURATION
Size	Bank 0	Bank 1
2MB	(2) 256K x 36	NONE
4MB	(2) 256K x 36	(2) 256K x 36
4MB	(2) 512K x 36	NONE
8MB	(2) 512K x 36	(2) 512K x 36
8MB	(2) 1M x 36	NONE
16MB	(2) 1M x 36	(2) 1M x 36
16MB	(2) 2M x 36	NONE
20MB	(2) 512K x 36	(2) 2M x 36
32MB	(2) 2M x 36	(2) 2M x 36
32MB	(2) 4M x 36	NONE
36MB	(2) 512K x 36	(2) 4M x 36
40MB	(2) 1M x 36	(2) 4M x 36
48MB	(2) 2M x 36	(2) 4M x 36
64MB	(2) 4M x 36	(2) 4M x 36
64MB	(2) 8M x 36	NONE
80MB	(2) 2M x 36	(2) 8M x 36
128MB	(2) 8M x 36	(2) 8M x 36
128MB	(2) 16M x 36	NONE

DRAM JUMPER CONFIGURATION
Type	JP7
Single side only	pins 2 & 3 closed
Single and double side	pins 1 & 2, 3 & 4 closed

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
256KB	(4) 32K x 8	(4) 32K x 8	(2) 32K x 8
512KB	(4) 64K x 8	(4) 64K x 8	(2) 32K x 8
1MB	(4) 128K x 8	(4) 128K x 8	(2) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP11	JP12
256KB	Open	Open
512KB	Closed	Closed
1MB	Closed	Closed

CPU SPEED CONFIGURATION
Speed	JP8
75MHz	pins 2 & 3, 5 & 6, 7 & 8 closed
90MHz	pins 2 & 3, 4 & 5, 8 & 9 closed
100MHz	pins 1 & 2, 5 & 6, 7 & 8 closed

DMA CONFIGURATION
DMA	JP1	JP2
DMA1	pins 1 & 2 closed	pins 2 & 3 closed
DMA3	pins 2 & 3 closed	pins 1 & 2 closed