EISA-486 WB Motherboard Settings and Configuration

CALIBER COMPUTER

EISA-486 WB

Processor
80486SX/80487SX/80486DX/80486DX2
Processor Speed
20/25/33/50(internal)/50/66(internal)MHz
Chip Set
OPTI
Max. Onboard DRAM
128MB
Cache
64/128/256/512KB
BIOS
AMI
Dimensions
330mm x 215mm
I/O Options
None
NPU Options
4167

CONNECTIONS
Purpose
Location
Purpose
Location
Speaker
J4
Reset switch
S9
Power LED & keylock
J5
Turbo switch
SW
Turbo LED
LED

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
EXRDY/CHRDY for ISA cards select normal operation
JP0
Open

EXRDY/CHRDY for ISA cards select non-standard ISA cards
JP0
Closed
»
Monitor type select color
JP4
Closed

Monitor type select monochrome
JP4
Open
»
CPU speed select iOSC/1
JP8
pins 1 & 2 closed

CPU speed select iOSC/2
JP8
pins 2 & 3 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
4MB
(4) 1M x 9
NONE
8MB
(4) 1M x 9
(4) 1M x 9
16MB
(4) 4M x 9
NONE
20MB
(4) 1M x 9
(4) 4M x 9
32MB
(4) 4M x 9
(4) 4M x 9
64MB
(4) 16M x 9
NONE
68MB
(4) 1M x 9
(4) 16M x 9
80MB
(4) 4M x 9
(4) 16M x 9
128MB
(4) 16M x 9
(4) 16M x 9

CACHE CONFIGURATION
Size
Bank 0
Bank 1
64KB
(4) 8K x 8
(4) 8K x 8
128KB
(4) 32K x 8
NONE
256KB
(4) 32K x 8
(4) 32K x 8
512KB
(4) 128K x 8
NONE

CACHE TAG CONFIGURATION
Size
TAG (U49)
TAG (U50)
TAG (U51)
TAG (U64)
64KB
(4) 8K x 8
(1) 16K x 1
NONE
(1) 64K x 1
128KB
(4) 8K x 8
(1) 16K x 1
NONE
(1) 64K x 1
256KB
(1) 16K x 1
(1) 8K x 8
(1) 8K x 8
(1) 64K x 1
512KB
NONE
(1) 32K x 8
NONE
(1) 64K x 1

CACHE JUMPER CONFIGURATION
Size
JP5
JP10
JP11
JP12
JP13
JP14
JP15
64KB
2 & 3
Open
Open
Open
Open
Open
Open
128KB
1 & 2
Open
Open
Closed
Open
Closed
Open
256KB
2 & 3
Open
Closed
Closed
Closed
Closed
Open
512KB
1 & 2
Closed
Closed
Closed
Closed
Closed
Closed
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed
JP6
20MHz
Closed
25MHz
Open
33MHz
Open
50iMHz
Open
50MHz
Open
66iMHz
Open

CPU TYPE CONFIGURATION
Type
JP7
JP9
80486SX
pins 2 & 3 closed
Open
80487SX
pins 1 & 2, 3 & 4 closed
pins 1 & 2 closed
80486DX
pins 1 & 2, 3 & 4 closed
pins 2 & 3 closed
80486DX2
pins 1 & 2, 3 & 4 closed
pins 2 & 3 closed

EISA BUS SPEED CONFIGURATION
Speed
JP1
JP2
JP3
20MHz
Open
Open
pins 2 & 3 closed
25MHz
Open
Open
pins 1 & 2 closed
33MHz
Closed
Open
pins 1 & 2 closed
50MHz
Closed
Closed
pins 1 & 2 closed

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EISA-486 WB Motherboard Settings and Configuration

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Processor	80486SX/80487SX/80486DX/80486DX2
Processor Speed	20/25/33/50(internal)/50/66(internal)MHz
Chip Set	OPTI
Max. Onboard DRAM	128MB
Cache	64/128/256/512KB
BIOS	AMI
Dimensions	330mm x 215mm
I/O Options	None
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
Speaker	J4	Reset switch	S9
Power LED & keylock	J5	Turbo switch	SW
Turbo LED	LED

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	EXRDY/CHRDY for ISA cards select normal operation	JP0	Open
	EXRDY/CHRDY for ISA cards select non-standard ISA cards	JP0	Closed
»	Monitor type select color	JP4	Closed
	Monitor type select monochrome	JP4	Open
»	CPU speed select iOSC/1	JP8	pins 1 & 2 closed
	CPU speed select iOSC/2	JP8	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
4MB	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9
64MB	(4) 16M x 9	NONE
68MB	(4) 1M x 9	(4) 16M x 9
80MB	(4) 4M x 9	(4) 16M x 9
128MB	(4) 16M x 9	(4) 16M x 9

CACHE CONFIGURATION
Size	Bank 0	Bank 1
64KB	(4) 8K x 8	(4) 8K x 8
128KB	(4) 32K x 8	NONE
256KB	(4) 32K x 8	(4) 32K x 8
512KB	(4) 128K x 8	NONE

CACHE TAG CONFIGURATION
Size	TAG (U49)	TAG (U50)	TAG (U51)	TAG (U64)
64KB	(4) 8K x 8	(1) 16K x 1	NONE	(1) 64K x 1
128KB	(4) 8K x 8	(1) 16K x 1	NONE	(1) 64K x 1
256KB	(1) 16K x 1	(1) 8K x 8	(1) 8K x 8	(1) 64K x 1
512KB	NONE	(1) 32K x 8	NONE	(1) 64K x 1

CACHE JUMPER CONFIGURATION
Size	JP5	JP10	JP11	JP12	JP13	JP14	JP15
64KB	2 & 3	Open	Open	Open	Open	Open	Open
128KB	1 & 2	Open	Open	Closed	Open	Closed	Open
256KB	2 & 3	Open	Closed	Closed	Closed	Closed	Open
512KB	1 & 2	Closed	Closed	Closed	Closed	Closed	Closed
Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION
Speed	JP6
20MHz	Closed
25MHz	Open
33MHz	Open
50iMHz	Open
50MHz	Open
66iMHz	Open

CPU TYPE CONFIGURATION
Type	JP7	JP9
80486SX	pins 2 & 3 closed	Open
80487SX	pins 1 & 2, 3 & 4 closed	pins 1 & 2 closed
80486DX	pins 1 & 2, 3 & 4 closed	pins 2 & 3 closed
80486DX2	pins 1 & 2, 3 & 4 closed	pins 2 & 3 closed

EISA BUS SPEED CONFIGURATION
Speed	JP1	JP2	JP3
20MHz	Open	Open	pins 2 & 3 closed
25MHz	Open	Open	pins 1 & 2 closed
33MHz	Closed	Open	pins 1 & 2 closed
50MHz	Closed	Closed	pins 1 & 2 closed