GX 486E Motherboard Settings and Configuration

GENESYS ATE, INC.

GX 486E

Processor
80486SX/80486DX/80486DX2
Processor Speed
33/50/66(internal)MHz
Chip Set
OPTI
Max. Onboard DRAM
128MB
Cache
64/128/256/512KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
None
NPU Options
4167

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
J1
Power LED & keylock
J5
Speaker
J4
Reset switch
S9

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
I/O Bus select normal operation
JP1
Open

EXRDY ISA card signal affects CHRDY bus signal
JP1
Closed
»
Monitor type select color
JP5
Closed

Monitor type select monochrome
JP5
Open
Note:The location of JP1 is unidentified.

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) 4M x 9
(4) 1M x 9
32MB
(4) 4M x 9
(4) 4M x 9
64MB
(4) 16M x 9
NONE
128MB
(4) 16M x 9
(4) 16M x 9

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
Dirty Bit (U66)
64KB
(4) 8K x 8
(4) 8K x 8
(1) 8K x 8
(1) 16K x 1 or (1) 64K x 1
128KB
(4) 32K x 8
NONE
(1) 8K x 8
(1) 16K x 1 or (1) 64K x 1
256KB
(4) 32K x 8
(4) 32K x 8
(2) 8K x 8
(1) 16K x 1 or (1) 64K x 1
256KB
(4) 32K x 8
(4) 32K x 8
(2) 8K x 8
(1) 64K x 1

CACHE DIRTY BIT JUMPER CONFIGURATION
Size
JP14
JP15
JP16
64KB
Open
Open
Open
128KB
Open
Closed
Open
256KB
Closed
Closed
Open
256KB
Closed
Closed
Closed

CACHE JUMPER CONFIGURATION
Size
JP6A
JP6B
JP11
JP12
JP13
64KB
Open
Closed
Open
Open
Open
128KB
Closed
Open
Open
Open
Closed
256KB 1
Open
Closed
Open
Closed
Closed
256KB 2
Open
Closed
Open
Closed
Closed
Note 1 :Use this setting when (1) 16K x 1 is installed at U66.
Note 2 :Use this setting when (1) 64K x 1 is installed at U66.

CPU TYPE CONFIGURATION
Type
JP8
JP10
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

CPU SPEED CONFIGURATION
Speed
JP2
JP3
JP4
JP7
JP9
20MHz
Open
Open
2 & 3
Closed
1 & 2
25MHz
Open
Open
1 & 2
Open
1 & 2
33MHz
Closed
Open
1 & 2
Open
1 & 2
40MHz
Open
Closed
1 & 2
Open
1 & 2
50MHz
Closed
Closed
1 & 2
Open
2 & 3
Note: Pins designated should be in the closed position.

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GX 486E Motherboard Settings and Configuration

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Processor	80486SX/80486DX/80486DX2
Processor Speed	33/50/66(internal)MHz
Chip Set	OPTI
Max. Onboard DRAM	128MB
Cache	64/128/256/512KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J1	Power LED & keylock	J5
Speaker	J4	Reset switch	S9

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	I/O Bus select normal operation	JP1	Open
	EXRDY ISA card signal affects CHRDY bus signal	JP1	Closed
»	Monitor type select color	JP5	Closed
	Monitor type select monochrome	JP5	Open
Note:The location of JP1 is unidentified.

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) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9
64MB	(4) 16M x 9	NONE
128MB	(4) 16M x 9	(4) 16M x 9

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG	Dirty Bit (U66)
64KB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8	(1) 16K x 1 or (1) 64K x 1
128KB	(4) 32K x 8	NONE	(1) 8K x 8	(1) 16K x 1 or (1) 64K x 1
256KB	(4) 32K x 8	(4) 32K x 8	(2) 8K x 8	(1) 16K x 1 or (1) 64K x 1
256KB	(4) 32K x 8	(4) 32K x 8	(2) 8K x 8	(1) 64K x 1

CACHE DIRTY BIT JUMPER CONFIGURATION
Size	JP14	JP15	JP16
64KB	Open	Open	Open
128KB	Open	Closed	Open
256KB	Closed	Closed	Open
256KB	Closed	Closed	Closed

CACHE JUMPER CONFIGURATION
Size	JP6A	JP6B	JP11	JP12	JP13
64KB	Open	Closed	Open	Open	Open
128KB	Closed	Open	Open	Open	Closed
256KB 1	Open	Closed	Open	Closed	Closed
256KB 2	Open	Closed	Open	Closed	Closed
Note 1 :Use this setting when (1) 16K x 1 is installed at U66.
Note 2 :Use this setting when (1) 64K x 1 is installed at U66.

CPU TYPE CONFIGURATION
Type	JP8	JP10
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

CPU SPEED CONFIGURATION
Speed	JP2	JP3	JP4	JP7	JP9
20MHz	Open	Open	2 & 3	Closed	1 & 2
25MHz	Open	Open	1 & 2	Open	1 & 2
33MHz	Closed	Open	1 & 2	Open	1 & 2
40MHz	Open	Closed	1 & 2	Open	1 & 2
50MHz	Closed	Closed	1 & 2	Open	2 & 3
Note: Pins designated should be in the closed position.