80486PCI Motherboard Settings and Configuration

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80486PCI

Processor
80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive
Processor Speed
25/33/50(internal)/66(internal)MHz
Chip Set
Saturn
Max. Onboard DRAM
128MB
Cache
128/256/512KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
32-bit PCI local bus slots (4)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Power LED & keylock
JP17
32-bit VESA Local bus slot
S1
Speaker
JP18
32-bit VESA Local bus slot
S2
Reset switch
JP19
32-bit VESA Local bus slot
S3
Turbo LED
JP20
32-bit VESA Local bus slot
S4
Turbo switch
JP21

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Factory configured - do not alter
JP1
N/A
»
Cache enabled
JP4
pins 2 & 3 closed

Cache disabled
JP4
pins 1 & 2 closed

DRAM CONFIGURATION
Size
Bank 1
Bank 2
Bank 3
Bank 4
2MB
(1) 1M x 36
(1) 1M x 36
NONE
NONE
4MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
4MB
(1) 2M x 36
(1) 2M x 36
NONE
NONE
6MB
(1) 1M x 36
(1) 1M x 36
(1) 2M x 36
(1) 2M x 36
6MB
(1) 2M x 36
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
8MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
8MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
10MB
(1) 1M x 36
(1) 1M x 36
(1) 4M x 36
(1) 4M x 36
10MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
12MB
(1) 2M x 36
(1) 2M x 36
(1) 4M x 36
(1) 4M x 36
12MB
(1) 4M x 36
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36
16MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
16MB
(1) 8M x 36
(1) 8M x 36
NONE
NONE
18MB
(1) 1M x 36
(1) 1M x 36
(1) 8M x 36
(1) 8M x 36
18MB
(1) 8M x 36
(1) 8M x 36
(1) 1M x 36
(1) 1M x 36
20MB
(1) 2M x 36
(1) 2M x 36
(1) 8M x 36
(1) 8M x 36
20MB
(1) 8M x 36
(1) 8M x 36
(1) 2M x 36
(1) 2M x 36
24MB
(1) 4M x 36
(1) 4M x 36
(1) 8M x 36
(1) 8M x 36
24MB
(1) 8M x 36
(1) 8M x 36
(1) 4M x 36
(1) 4M x 36
32MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
32MB
(1) 16M x 36
(1) 16M x 36
NONE
NONE
34MB
(1) 1M x 36
(1) 1M x 36
(1) 16M x 36
(1) 16M x 36
34MB
(1) 16M x 36
(1) 16M x 36
(1) 1M x 36
(1) 1M x 36
36MB
(1) 2M x 36
(1) 2M x 36
(1) 16M x 36
(1) 16M x 36
36MB
(1) 16M x 36
(1) 16M x 36
(1) 2M x 36
(1) 2M x 36
40MB
(1) 4M x 36
(1) 4M x 36
(1) 16M x 36
(1) 16M x 36
40MB
(1) 16M x 36
(1) 16M x 36
(1) 4M x 36
(1) 4M x 36
48MB
(1) 8M x 36
(1) 8M x 36
(1) 16M x 36
(1) 16M x 36
48MB
(1) 16M x 36
(1) 16M x 36
(1) 8M x 36
(1) 8M x 36
64MB
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36
(1) 16M x 36
64MB
(1) 32M x 36
(1) 32M x 36
NONE
NONE
66MB
(1) 1M x 36
(1) 1M x 36
(1) 32M x 36
(1) 32M x 36
66MB
(1) 32M x 36
(1) 32M x 36
(1) 1M x 36
(1) 1M x 36
68MB
(1) 2M x 36
(1) 2M x 36
(1) 32M x 36
(1) 32M x 36
68MB
(1) 32M x 36
(1) 32M x 36
(1) 2M x 36
(1) 2M x 36
72MB
(1) 4M x 36
(1) 4M x 36
(1) 32M x 36
(1) 32M x 36
72MB
(1) 32M x 36
(1) 32M x 36
(1) 4M x 36
(1) 4M x 36
80MB
(1) 32M x 36
(1) 32M x 36
(1) 8M x 36
(1) 8M x 36
80MB
(1) 8M x 36
(1) 8M x 36
(1) 32M x 36
(1) 32M x 36
96MB
(1) 16M x 36
(1) 16M x 36
(1) 32M x 36
(1) 32M x 36
96MB
(1) 32M x 36
(1) 32M x 36
(1) 16M x 36
(1) 16M x 36
128MB
(1) 32M x 36
(1) 32M x 36
(1) 32M x 36
(1) 32M x 36

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
128KB
(4) 32K x 8
NONE
(1) 8K x 8
256KB
(4) 32K x 8
(4) 32K x 8
(1) 32K x 8
512KB
(4) 128K x 8
NONE
(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size
JP2
JP3
JP12
JP13
128KB
pins 1 & 2 closed
pins 2 & 3 closed
Open
Open
256KB
pins 2 & 3 closed
pins 1 & 2 closed
Closed
Open
512KB
pins 2 & 3 closed
pins 2 & 3 closed
Closed
Closed

CPU TYPE CONFIGURATION
Type
JP14
JP15
JP16
80486SX
pins 1 & 2 closed
Open
pins 2 & 3 closed
80486DX
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 and 3 & 4 closed
80487SX
pins 1 & 2 closed
pins 2 & 3 closed
pins 1 & 2 and 3 & 4 closed
ODP486SX
pins 1 & 2 closed
pins 2 & 3 closed
pins 1 & 2 and 3 & 4 closed
80486DX2
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 and 3 & 4 closed
Pentium Overdrive
pins 2 & 3 closed
pins 2 & 3 closed
pins 1 & 2 and 3 & 4 closed

CPU SPEED CONFIGURATION
Speed
JP5
JP10
JP11
25MHz
pins 1 & 2 closed
Open
Closed
33MHz
pins 2 & 3 closed
Closed
Open
50iMHz
pins 1 & 2 closed
Open
Closed
66iMHz
pins 2 & 3 closed
Closed
Open

PCI IRQ CONFIGURATION
Type
JP22
JP23
JP24
IRQ 5
pins 1 & 2 closed
pins 1 & 2 closed
pins 2 & 3 closed
IRQ 11
pins 1 & 2 closed
pins 2 & 3 closed
pins 1 & 2 closed
IRQ 15
pins 2 & 3 closed
pins 1 & 2 closed
pins 1 & 2 closed
Not installed
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed

IDE TYPE CONFIGURATION
Type
JP27
JP28
ISA IDE controller
Closed
pins 2 & 3 closed
PCI IDE controller (edge trigger)
Open
pins 4 & 5 closed
PCI IDE controller (level trigger)
Open
pins 1 & 2 closed

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80486PCI Motherboard Settings and Configuration

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Processor	80486SX/80487SX/80486DX/ODP486SX/80486DX2/Pentium Overdrive
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	Saturn
Max. Onboard DRAM	128MB
Cache	128/256/512KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	32-bit PCI local bus slots (4)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	JP17	32-bit VESA Local bus slot	S1
Speaker	JP18	32-bit VESA Local bus slot	S2
Reset switch	JP19	32-bit VESA Local bus slot	S3
Turbo LED	JP20	32-bit VESA Local bus slot	S4
Turbo switch	JP21

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Factory configured - do not alter	JP1	N/A
»	Cache enabled	JP4	pins 2 & 3 closed
	Cache disabled	JP4	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 1	Bank 2	Bank 3	Bank 4
2MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
4MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
4MB	(1) 2M x 36	(1) 2M x 36	NONE	NONE
6MB	(1) 1M x 36	(1) 1M x 36	(1) 2M x 36	(1) 2M x 36
6MB	(1) 2M x 36	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36
8MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
8MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
10MB	(1) 1M x 36	(1) 1M x 36	(1) 4M x 36	(1) 4M x 36
10MB	(1) 4M x 36	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36
12MB	(1) 2M x 36	(1) 2M x 36	(1) 4M x 36	(1) 4M x 36
12MB	(1) 4M x 36	(1) 4M x 36	(1) 2M x 36	(1) 2M x 36
16MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
16MB	(1) 8M x 36	(1) 8M x 36	NONE	NONE
18MB	(1) 1M x 36	(1) 1M x 36	(1) 8M x 36	(1) 8M x 36
18MB	(1) 8M x 36	(1) 8M x 36	(1) 1M x 36	(1) 1M x 36
20MB	(1) 2M x 36	(1) 2M x 36	(1) 8M x 36	(1) 8M x 36
20MB	(1) 8M x 36	(1) 8M x 36	(1) 2M x 36	(1) 2M x 36
24MB	(1) 4M x 36	(1) 4M x 36	(1) 8M x 36	(1) 8M x 36
24MB	(1) 8M x 36	(1) 8M x 36	(1) 4M x 36	(1) 4M x 36
32MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36
32MB	(1) 16M x 36	(1) 16M x 36	NONE	NONE
34MB	(1) 1M x 36	(1) 1M x 36	(1) 16M x 36	(1) 16M x 36
34MB	(1) 16M x 36	(1) 16M x 36	(1) 1M x 36	(1) 1M x 36
36MB	(1) 2M x 36	(1) 2M x 36	(1) 16M x 36	(1) 16M x 36
36MB	(1) 16M x 36	(1) 16M x 36	(1) 2M x 36	(1) 2M x 36
40MB	(1) 4M x 36	(1) 4M x 36	(1) 16M x 36	(1) 16M x 36
40MB	(1) 16M x 36	(1) 16M x 36	(1) 4M x 36	(1) 4M x 36
48MB	(1) 8M x 36	(1) 8M x 36	(1) 16M x 36	(1) 16M x 36
48MB	(1) 16M x 36	(1) 16M x 36	(1) 8M x 36	(1) 8M x 36
64MB	(1) 16M x 36	(1) 16M x 36	(1) 16M x 36	(1) 16M x 36
64MB	(1) 32M x 36	(1) 32M x 36	NONE	NONE
66MB	(1) 1M x 36	(1) 1M x 36	(1) 32M x 36	(1) 32M x 36
66MB	(1) 32M x 36	(1) 32M x 36	(1) 1M x 36	(1) 1M x 36
68MB	(1) 2M x 36	(1) 2M x 36	(1) 32M x 36	(1) 32M x 36
68MB	(1) 32M x 36	(1) 32M x 36	(1) 2M x 36	(1) 2M x 36
72MB	(1) 4M x 36	(1) 4M x 36	(1) 32M x 36	(1) 32M x 36
72MB	(1) 32M x 36	(1) 32M x 36	(1) 4M x 36	(1) 4M x 36
80MB	(1) 32M x 36	(1) 32M x 36	(1) 8M x 36	(1) 8M x 36
80MB	(1) 8M x 36	(1) 8M x 36	(1) 32M x 36	(1) 32M x 36
96MB	(1) 16M x 36	(1) 16M x 36	(1) 32M x 36	(1) 32M x 36
96MB	(1) 32M x 36	(1) 32M x 36	(1) 16M x 36	(1) 16M x 36
128MB	(1) 32M x 36	(1) 32M x 36	(1) 32M x 36	(1) 32M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
128KB	(4) 32K x 8	NONE	(1) 8K x 8
256KB	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8
512KB	(4) 128K x 8	NONE	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	JP2	JP3	JP12	JP13
128KB	pins 1 & 2 closed	pins 2 & 3 closed	Open	Open
256KB	pins 2 & 3 closed	pins 1 & 2 closed	Closed	Open
512KB	pins 2 & 3 closed	pins 2 & 3 closed	Closed	Closed

CPU TYPE CONFIGURATION
Type	JP14	JP15	JP16
80486SX	pins 1 & 2 closed	Open	pins 2 & 3 closed
80486DX	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 and 3 & 4 closed
80487SX	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 and 3 & 4 closed
ODP486SX	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 and 3 & 4 closed
80486DX2	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 and 3 & 4 closed
Pentium Overdrive	pins 2 & 3 closed	pins 2 & 3 closed	pins 1 & 2 and 3 & 4 closed

CPU SPEED CONFIGURATION
Speed	JP5	JP10	JP11
25MHz	pins 1 & 2 closed	Open	Closed
33MHz	pins 2 & 3 closed	Closed	Open
50iMHz	pins 1 & 2 closed	Open	Closed
66iMHz	pins 2 & 3 closed	Closed	Open

PCI IRQ CONFIGURATION
Type	JP22	JP23	JP24
IRQ 5	pins 1 & 2 closed	pins 1 & 2 closed	pins 2 & 3 closed
IRQ 11	pins 1 & 2 closed	pins 2 & 3 closed	pins 1 & 2 closed
IRQ 15	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed
Not installed	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed

IDE TYPE CONFIGURATION
Type	JP27	JP28
ISA IDE controller	Closed	pins 2 & 3 closed
PCI IDE controller (edge trigger)	Open	pins 4 & 5 closed
PCI IDE controller (level trigger)	Open	pins 1 & 2 closed