GA-386PL Motherboard Settings and Configuration

GIGA-BYTE TECHNOLOGY CO., LTD.

GA-386PL

Processor
80386DX
Processor Speed
25/33MHz
Chip Set
OPTi
Max. Onboard DRAM
16MB
Cache
64/128KB
BIOS
AMI
Dimensions
330mm x 218mm
I/O Options
None
NPU Options
80387DX/3167

CONNECTIONS
Purpose
Location
Purpose
Location
Power LED & keylock
JP9
Turbo switch
JP12
Speaker
JP10
Turbo LED
JP34
Reset switch
JP11
External battery
JP36

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
NPU 80387 installed
JP21
pins 1 & 2 closed

NPU Weitek 3167 installed or no NPU installed
JP21
pins 2 & 3 closed
»
Monitor type select color
JP33
pins 1 & 2 closed

Monitor type select monochrome
JP33
pins 2 & 3 closed
»
CMOS memory normal operation (Internal Battery)
JP35
pins 1 & 2 closed

CMOS memory normal operation (External Battery) or CMOS clear
JP35
pins 2 & 3 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
JP23 & JP32
1MB
(36) 41256
NONE
NONE
NONE
pins 1 & 2 closed
1MB
NONE
NONE
(4) 256K x 9
NONE
pins 2 & 3 closed
2MB
(36) 41256
(36) 41256
NONE
NONE
pins 1 & 2 closed
2MB
NONE
NONE
(4) 256K x 9
(4) 256K x 9
pins 2 & 3 closed
3MB
(36) 41256
(36) 41256
(4) 256K x 9
NONE
pins 1 & 2 closed
4MB
(36) 411000
NONE
NONE
NONE
pins 1 & 2 closed
4MB
NONE
NONE
(4) 1M x 9
NONE
pins 2 & 3 closed
4MB
(36) 41256
(36) 41256
(4) 256K x 9
NONE
pins 1 & 2 closed
5MB
(36) 41256
(36) 411000
NONE
NONE
pins 1 & 2 closed
5MB
(36) 411000
(36) 41256
NONE
NONE
pins 1 & 2 closed
5MB
NONE
NONE
(4) 256K x 9
(4) 1M x 9
pins 2 & 3 closed
5MB
NONE
NONE
(4) 1M x 9
(4) 256K x 9
pins 2 & 3 closed
6MB
(36) 41256
(36) 41256
(4) 1M x 9
NONE
pins 1 & 2 closed
6MB
(36) 41256
(36) 411000
(4) 256K x 9
NONE
pins 1 & 2 closed
6MB
(36) 411000
(36) 41256
(4) 256K x 9
NONE
pins 1 & 2 closed
7MB
(36) 41256
(36) 41256
(4) 1M x 9
(4) 256K x 9
pins 1 & 2 closed
7MB
(36) 41256
(36) 411000
(4) 256K x 9
(4) 256K x 9
pins 1 & 2 closed
7MB
(36) 411000
(36) 41256
(4) 256K x 9
(4) 256K x 9
pins 1 & 2 closed
8MB
(36) 411000
(36) 411000
NONE
NONE
pins 2 & 3 closed
8MB
(36) 411000
(36) 411000
NONE
NONE
pins 1 & 2 closed
9MB
(36) 41256
(36) 411000
(4) 1M x 9
NONE
pins 1 & 2 closed
9MB
(36) 411000
(36) 411000
(4) 256K x 9
NONE
pins 1 & 2 closed
9MB
(36) 411000
(36) 41256
(4) 1M x 9
NONE
pins 1 & 2 closed
10MB
(36) 41256
(36) 41256
(4) 1M x 9
(4) 1M x 9
pins 1 & 2 closed
10MB
(36) 41256
(36) 411000
(4) 1M x 9
(4) 256K x 9
pins 1 & 2 closed
10MB
(36) 411000
(36) 411000
(4) 256K x 9
(4) 256K x 9
pins 1 & 2 closed
10MB
(36) 411000
(36) 41256
(4) 1M x 9
(4) 256K x 9
pins 1 & 2 closed
12MB
(36) 411000
(36) 411000
(4) 1M x 9
NONE
pins 1 & 2 closed
13MB
(36) 41256
(36) 411000
(4) 1M x 9
(4) 1M x 9
pins 1 & 2 closed
13MB
(36) 411000
(36) 411000
(4) 1M x 9
(4) 256K x 9
pins 1 & 2 closed
13MB
(36) 411000
(36) 41256
(4) 1M x 9
(4) 1M x 9
pins 1 & 2 closed
16MB
(36) 411000
(36) 411000
(4) 1M x 9
(4) 1M x 9
pins 1 & 2 closed

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
64KB
(8) 8K x 8
(8) 8K x 8
(3) 16K x 4
128KB
(8) 64K x 8
(8) 64K x 8
(3) 16K x 4

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GA-386PL Motherboard Settings and Configuration

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Processor	80386DX
Processor Speed	25/33MHz
Chip Set	OPTi
Max. Onboard DRAM	16MB
Cache	64/128KB
BIOS	AMI
Dimensions	330mm x 218mm
I/O Options	None
NPU Options	80387DX/3167

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	JP9	Turbo switch	JP12
Speaker	JP10	Turbo LED	JP34
Reset switch	JP11	External battery	JP36

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	NPU 80387 installed	JP21	pins 1 & 2 closed
	NPU Weitek 3167 installed or no NPU installed	JP21	pins 2 & 3 closed
»	Monitor type select color	JP33	pins 1 & 2 closed
	Monitor type select monochrome	JP33	pins 2 & 3 closed
»	CMOS memory normal operation (Internal Battery)	JP35	pins 1 & 2 closed
	CMOS memory normal operation (External Battery) or CMOS clear	JP35	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3	JP23 & JP32
1MB	(36) 41256	NONE	NONE	NONE	pins 1 & 2 closed
1MB	NONE	NONE	(4) 256K x 9	NONE	pins 2 & 3 closed
2MB	(36) 41256	(36) 41256	NONE	NONE	pins 1 & 2 closed
2MB	NONE	NONE	(4) 256K x 9	(4) 256K x 9	pins 2 & 3 closed
3MB	(36) 41256	(36) 41256	(4) 256K x 9	NONE	pins 1 & 2 closed
4MB	(36) 411000	NONE	NONE	NONE	pins 1 & 2 closed
4MB	NONE	NONE	(4) 1M x 9	NONE	pins 2 & 3 closed
4MB	(36) 41256	(36) 41256	(4) 256K x 9	NONE	pins 1 & 2 closed
5MB	(36) 41256	(36) 411000	NONE	NONE	pins 1 & 2 closed
5MB	(36) 411000	(36) 41256	NONE	NONE	pins 1 & 2 closed
5MB	NONE	NONE	(4) 256K x 9	(4) 1M x 9	pins 2 & 3 closed
5MB	NONE	NONE	(4) 1M x 9	(4) 256K x 9	pins 2 & 3 closed
6MB	(36) 41256	(36) 41256	(4) 1M x 9	NONE	pins 1 & 2 closed
6MB	(36) 41256	(36) 411000	(4) 256K x 9	NONE	pins 1 & 2 closed
6MB	(36) 411000	(36) 41256	(4) 256K x 9	NONE	pins 1 & 2 closed
7MB	(36) 41256	(36) 41256	(4) 1M x 9	(4) 256K x 9	pins 1 & 2 closed
7MB	(36) 41256	(36) 411000	(4) 256K x 9	(4) 256K x 9	pins 1 & 2 closed
7MB	(36) 411000	(36) 41256	(4) 256K x 9	(4) 256K x 9	pins 1 & 2 closed
8MB	(36) 411000	(36) 411000	NONE	NONE	pins 2 & 3 closed
8MB	(36) 411000	(36) 411000	NONE	NONE	pins 1 & 2 closed
9MB	(36) 41256	(36) 411000	(4) 1M x 9	NONE	pins 1 & 2 closed
9MB	(36) 411000	(36) 411000	(4) 256K x 9	NONE	pins 1 & 2 closed
9MB	(36) 411000	(36) 41256	(4) 1M x 9	NONE	pins 1 & 2 closed
10MB	(36) 41256	(36) 41256	(4) 1M x 9	(4) 1M x 9	pins 1 & 2 closed
10MB	(36) 41256	(36) 411000	(4) 1M x 9	(4) 256K x 9	pins 1 & 2 closed
10MB	(36) 411000	(36) 411000	(4) 256K x 9	(4) 256K x 9	pins 1 & 2 closed
10MB	(36) 411000	(36) 41256	(4) 1M x 9	(4) 256K x 9	pins 1 & 2 closed
12MB	(36) 411000	(36) 411000	(4) 1M x 9	NONE	pins 1 & 2 closed
13MB	(36) 41256	(36) 411000	(4) 1M x 9	(4) 1M x 9	pins 1 & 2 closed
13MB	(36) 411000	(36) 411000	(4) 1M x 9	(4) 256K x 9	pins 1 & 2 closed
13MB	(36) 411000	(36) 41256	(4) 1M x 9	(4) 1M x 9	pins 1 & 2 closed
16MB	(36) 411000	(36) 411000	(4) 1M x 9	(4) 1M x 9	pins 1 & 2 closed

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
64KB	(8) 8K x 8	(8) 8K x 8	(3) 16K x 4
128KB	(8) 64K x 8	(8) 64K x 8	(3) 16K x 4