AM-486VIP / 4VIP3 Motherboard Settings and Configuration

ATEN RESEARCH, INC.

AM-486VIP / 4VIP3

Processor
AM486DX/CX486DX/80486DX/AM486DX2/CX486DX2/80486DX2/
AM486DX4/80486DX4
Processor Speed
25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set
Unidentified
Max. Onboard DRAM
64MB
Cache
128/256/512KB
BIOS
AMI/Award/MR
Dimensions
330mm x 218mm
I/O Options
32-bit VESA local bus slots (2), 32-bit PCI slots (4),
green PC connector (location unidentified)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Turbo switch
J1
Power LED & keylock
J5
Turbo LED
J2
Green PC connector
JP3
Speaker
J3
32-bit PCI slots
PC0 - PC3
Reset switch
J4
32-bit VESA local bus slots
SL1 & SL2

USER CONFIGURABLE SETTINGS
Function
Jumper/Switch
Position
»
DRAM bank configuration select 1 SIMM per bank
JP23
pins 1 & 2 closed

DRAM bank configuration select 2 SIMMs per bank
JP23
pins 2 & 3 closed
»
CMOS memory normal operation
JP2
pins 1 & 2 closed

CMOS memory clear
JP2
pins 2 & 3 closed
»
Flash BIOS select 5VDC
JP12
pins 1 & 2 closed

Flash BIOS select 12VDC
JP12
pins 2 & 3 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(1) 256K x 36
NONE
NONE
NONE
2MB
(1) 512K x 36
NONE
NONE
NONE
2MB
(1) 256K x 36
(1) 256K x 36
NONE
NONE
3MB
(1) 512K x 36
(1) 256K x 36
NONE
NONE
3MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
NONE
4MB
(1) 1M x 36
NONE
NONE
NONE
4MB
(1) 512K x 36
(1) 512K x 36
NONE
NONE
4MB
(1) 512K x 36
(1) 256K x 36
(1) 256K x 36
NONE
4MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
5MB
(1) 1M x 36
(1) 256K x 36
NONE
NONE
5MB
(1) 512K x 36
(1) 512K x 36
(1) 256K x 36
NONE
5MB
(1) 512K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
6MB
(1) 1M x 36
(1) 512K x 36
NONE
NONE
6MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
NONE
6MB
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
NONE
6MB
(1) 512K x 36
(1) 512K x 36
(1) 256K x 36
(1) 256K x 36
7MB
(1) 1M x 36
(1) 512K x 36
(1) 256K x 36
NONE
7MB
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
7MB
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
(1) 256K x 36
8MB
(1) 2M x 36
NONE
NONE
NONE
8MB
(1) 1M x 36
(1) 1M x 36
NONE
NONE
8MB
(1) 1M x 36
(1) 512K x 36
(1) 512K x 36
NONE
8MB
(1) 1M x 36
(1) 512K x 36
(1) 256K x 36
(1) 256K x 36
8MB
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
9MB
(1) 2M x 36
(1) 256K x 36
NONE
NONE
9MB
(1) 1M x 36
(1) 1M x 36
(1) 256K x 36
NONE
9MB
(1) 1M x 36
(1) 512K x 36
(1) 512K x 36
(1) 256K x 36
10MB
(1) 2M x 36
(1) 512K x 36
NONE
NONE
10MB
(1) 2M x 36
(1) 256K x 36
(1) 256K x 36
NONE
10MB
(1) 1M x 36
(1) 1M x 36
(1) 512K x 36
NONE
10MB
(1) 1M x 36
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
10MB
(1) 1M x 36
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
11MB
(1) 2M x 36
(1) 512K x 36
(1) 256K x 36
NONE
11MB
(1) 2M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
11MB
(1) 1M x 36
(1) 1M x 36
(1) 512K x 36
(1) 256K x 36

DRAM CONFIGURATION CON’T
Size
Bank 0
Bank 1
Bank 2
Bank 3
12MB
(1) 2M x 36
(1) 1M x 36
NONE
NONE
12MB
(1) 2M x 36
(1) 512K x 36
(1) 512K x 36
NONE
12MB
(1) 2M x 36
(1) 512K x 36
(1) 256K x 36
(1) 256K x 36
12MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
NONE
12MB
(1) 1M x 36
(1) 1M x 36
(1) 512K x 36
(1) 512K x 36
13MB
(1) 2M x 36
(1) 1M x 36
(1) 256K x 36
NONE
13MB
(1) 2M x 36
(1) 512K x 36
(1) 512K x 36
(1) 256K x 36
13MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 256K x 36
14MB
(1) 2M x 36
(1) 1M x 36
(1) 512K x 36
NONE
14MB
(1) 2M x 36
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
14MB
(1) 2M x 36
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
14MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 512K x 36
15MB
(1) 2M x 36
(1) 1M x 36
(1) 512K x 36
(1) 256K x 36
16MB
(1) 4M x 36
NONE
NONE
NONE
16MB
(1) 2M x 36
(1) 2M x 36
NONE
NONE
16MB
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
NONE
16MB
(1) 2M x 36
(1) 1M x 36
(1) 512K x 36
(1) 512K x 36
16MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
17MB
(1) 4M x 36
(1) 256K x 36
NONE
NONE
17MB
(1) 2M x 36
(1) 2M x 36
(1) 256K x 36
NONE
17MB
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
(1) 256K x 36
18MB
(1) 4M x 36
(1) 512K x 36
NONE
NONE
18MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
NONE
18MB
(1) 2M x 36
(1) 2M x 36
(1) 512K x 36
NONE
18MB
(1) 2M x 36
(1) 2M x 36
(1) 256K x 36
(1) 256K x 36
18MB
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
(1) 512K x 36
19MB
(1) 4M x 36
(1) 512K x 36
(1) 256K x 36
NONE
19MB
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
19MB
(1) 2M x 36
(1) 2M x 36
(1) 512K x 36
(1) 256K x 36
20MB
(1) 4M x 36
(1) 1M x 36
NONE
NONE
20MB
(1) 4M x 36
(1) 512K x 36
(1) 512K x 36
NONE
20MB
(1) 4M x 36
(1) 512K x 36
(1) 256K x 36
(1) 256K x 36
20MB
(1) 2M x 36
(1) 2M x 36
(1) 1M x 36
NONE
20MB
(1) 2M x 36
(1) 2M x 36
(1) 512K x 36
(1) 512K x 36
20MB
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
21MB
(1) 4M x 36
(1) 1M x 36
(1) 256K x 36
NONE
21MB
(1) 4M x 36
(1) 512K x 36
(1) 512K x 36
(1) 256K x 36
21MB
(1) 2M x 36
(1) 2M x 36
(1) 1M x 36
(1) 256K x 36
22MB
(1) 4M x 36
(1) 1M x 36
(1) 512K x 36
NONE
22MB
(1) 4M x 36
(1) 1M x 36
(1) 256K x 36
(1) 256K x 36
22MB
(1) 4M x 36
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
22MB
(1) 2M x 36
(1) 2M x 36
(1) 1M x 36
(1) 512K x 36
23MB
(1) 4M x 36
(1) 1M x 36
(1) 512K x 36
(1) 256K x 36

DRAM CONFIGURATION CON’T
Size
Bank 0
Bank 1
Bank 2
Bank 3
24MB
(1) 4M x 36
(1) 2M x 36
NONE
NONE
24MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
NONE
24MB
(1) 4M x 36
(1) 1M x 36
(1) 512K x 36
(1) 512K x 36
24MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
NONE
24MB
(1) 2M x 36
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
25MB
(1) 4M x 36
(1) 2M x 36
(1) 256K x 36
NONE
25MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
(1) 256K x 36
25MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
(1) 256K x 36
26MB
(1) 4M x 36
(1) 2M x 36
(1) 512K x 36
NONE
26MB
(1) 4M x 36
(1) 2M x 36
(1) 256K x 36
(1) 256K x 36
26MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
(1) 512K x 36
26MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
(1) 512K x 36
27MB
(1) 4M x 36
(1) 2M x 36
(1) 512K x 36
(1) 256K x 36
28MB
(1) 4M x 36
(1) 2M x 36
(1) 1M x 36
NONE
28MB
(1) 4M x 36
(1) 2M x 36
(1) 512K x 36
(1) 512K x 36
28MB
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
28MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
(1) 1M x 36
29MB
(1) 4M x 36
(1) 2M x 36
(1) 1M x 36
(1) 256K x 36
30MB
(1) 4M x 36
(1) 2M x 36
(1) 1M x 36
(1) 512K x 36
32MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
32MB
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36
NONE
32MB
(1) 4M x 36
(1) 2M x 36
(1) 1M x 36
(1) 1M x 36
32MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
33MB
(1) 4M x 36
(1) 4M x 36
(1) 256K x 36
NONE
33MB
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36
(1) 256K x 36
34MB
(1) 4M x 36
(1) 4M x 36
(1) 512K x 36
NONE
34MB
(1) 4M x 36
(1) 4M x 36
(1) 256K x 36
(1) 256K x 36
34MB
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36
(1) 512K x 36
35MB
(1) 4M x 36
(1) 4M x 36
(1) 512K x 36
(1) 256K x 36
36MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
NONE
36MB
(1) 4M x 36
(1) 4M x 36
(1) 512K x 36
(1) 512K x 36
36MB
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36
(1) 1M x 36
37MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
(1) 256K x 36
38MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
(1) 512K x 36
40MB
(1) 4M x 36
(1) 4M x 36
(1) 2M x 36
NONE
40MB
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
(1) 1M x 36
40MB
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
41MB
(1) 4M x 36
(1) 4M x 36
(1) 2M x 36
(1) 256K x 36
42MB
(1) 4M x 36
(1) 4M x 36
(1) 2M x 36
(1) 512K x 36
44MB
(1) 4M x 36
(1) 4M x 36
(1) 2M x 36
(1) 1M x 36
48MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
NONE
48MB
(1) 4M x 36
(1) 4M x 36
(1) 2M x 36
(1) 2M x 36

DRAM CONFIGURATION CON’T
Size
Bank 0
Bank 1
Bank 2
Bank 3
49MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 256K x 36
50MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 512K x 36
52MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 1M x 36
56MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 2M x 36
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36

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

CACHE JUMPER CONFIGURATION
Size
JP20
128KB
pins 1 & 2 closed
256KB
pins 1 & 2 closed
512KB
pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type
JP11
JPV1
JPV2
JP99
AM486DX
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
Closed
CX486DX
pins 2 & 3 closed
pins 1 & 2 closed
pins 1 & 2 closed
Closed
80486DX
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
Closed
AM486DX2
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
Closed
CX486DX2
pins 2 & 3 closed
pins 2 & 3 closed
pins 2 & 3 closed
Closed
80486DX2
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
Closed
AM486DX4
pins 1 & 2 closed
pins 2 & 3 closed
pins 2 & 3 closed
Open
80486DX4
pins 1 & 2 closed
pins 2 & 3 closed
pins 2 & 3 closed
Open

CPU SPEED CONFIGURATION
Speed
JP7
JP27
JP28
25
pins 1 & 2 closed
pins 2 & 3 closed
Closed
33
pins 2 & 3 closed
pins 1 & 2 closed
Open
50i
pins 1 & 2 closed
pins 2 & 3 closed
Closed
66i
pins 2 & 3 closed
pins 1 & 2 closed
Open
75i
pins 1 & 2 closed
pins 2 & 3 closed
Closed
100i
pins 2 & 3 closed
pins 1 & 2 closed
Open

PCI BUS CONFIGURATION
Trigger
JP38A (PCI 0)
JP38B (PCI 1)
JP38C (PCI 2)
Level
pins 1 & 2 closed
pins 1 & 2 closed
pins 1 & 2 closed
Edge
pins 2 & 3 closed
pins 2 & 3 closed
pins 2 & 3 closed

IDE CARD SLOT SELECT CONFIGURATION
Setting
JP38D
Select PCI 3 using IRQ14
Closed
Select ISA or VESA
Open

PCI BUS CONFIGURATION
Setting
JP10A(IRQ9)
JP10B(IRQ10)
JP10C(IRQ11)
JP10D(IRQ12)
JP10E(IRQ15)
Compliance
pins 1 & 2
pins 1 & 2
pins 1 & 2
pins 1 & 2
pins 1 & 2
Non-compliance
pins 2 & 3
pins 2 & 3
pins 2 & 3
pins 2 & 3
pins 2 & 3
Note:Pins designated should be in the closed position.

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Processor	AM486DX/CX486DX/80486DX/AM486DX2/CX486DX2/80486DX2/ AM486DX4/80486DX4
Processor Speed	25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Chip Set	Unidentified
Max. Onboard DRAM	64MB
Cache	128/256/512KB
BIOS	AMI/Award/MR
Dimensions	330mm x 218mm
I/O Options	32-bit VESA local bus slots (2), 32-bit PCI slots (4), green PC connector (location unidentified)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Turbo switch	J1	Power LED & keylock	J5
Turbo LED	J2	Green PC connector	JP3
Speaker	J3	32-bit PCI slots	PC0 - PC3
Reset switch	J4	32-bit VESA local bus slots	SL1 & SL2

USER CONFIGURABLE SETTINGS
Function		Jumper/Switch	Position
»	DRAM bank configuration select 1 SIMM per bank	JP23	pins 1 & 2 closed
	DRAM bank configuration select 2 SIMMs per bank	JP23	pins 2 & 3 closed
»	CMOS memory normal operation	JP2	pins 1 & 2 closed
	CMOS memory clear	JP2	pins 2 & 3 closed
»	Flash BIOS select 5VDC	JP12	pins 1 & 2 closed
	Flash BIOS select 12VDC	JP12	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	NONE	NONE	NONE
2MB	(1) 512K x 36	NONE	NONE	NONE
2MB	(1) 256K x 36	(1) 256K x 36	NONE	NONE
3MB	(1) 512K x 36	(1) 256K x 36	NONE	NONE
3MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	NONE
4MB	(1) 1M x 36	NONE	NONE	NONE
4MB	(1) 512K x 36	(1) 512K x 36	NONE	NONE
4MB	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36	NONE
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
5MB	(1) 1M x 36	(1) 256K x 36	NONE	NONE
5MB	(1) 512K x 36	(1) 512K x 36	(1) 256K x 36	NONE
5MB	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
6MB	(1) 1M x 36	(1) 512K x 36	NONE	NONE
6MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	NONE
6MB	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36	NONE
6MB	(1) 512K x 36	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36
7MB	(1) 1M x 36	(1) 512K x 36	(1) 256K x 36	NONE
7MB	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
7MB	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36	(1) 256K x 36
8MB	(1) 2M x 36	NONE	NONE	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
8MB	(1) 1M x 36	(1) 512K x 36	(1) 512K x 36	NONE
8MB	(1) 1M x 36	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36
8MB	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36
9MB	(1) 2M x 36	(1) 256K x 36	NONE	NONE
9MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	NONE
9MB	(1) 1M x 36	(1) 512K x 36	(1) 512K x 36	(1) 256K x 36
10MB	(1) 2M x 36	(1) 512K x 36	NONE	NONE
10MB	(1) 2M x 36	(1) 256K x 36	(1) 256K x 36	NONE
10MB	(1) 1M x 36	(1) 1M x 36	(1) 512K x 36	NONE
10MB	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
10MB	(1) 1M x 36	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36
11MB	(1) 2M x 36	(1) 512K x 36	(1) 256K x 36	NONE
11MB	(1) 2M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
11MB	(1) 1M x 36	(1) 1M x 36	(1) 512K x 36	(1) 256K x 36

DRAM CONFIGURATION CON’T
Size	Bank 0	Bank 1	Bank 2	Bank 3
12MB	(1) 2M x 36	(1) 1M x 36	NONE	NONE
12MB	(1) 2M x 36	(1) 512K x 36	(1) 512K x 36	NONE
12MB	(1) 2M x 36	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
12MB	(1) 1M x 36	(1) 1M x 36	(1) 512K x 36	(1) 512K x 36
13MB	(1) 2M x 36	(1) 1M x 36	(1) 256K x 36	NONE
13MB	(1) 2M x 36	(1) 512K x 36	(1) 512K x 36	(1) 256K x 36
13MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36
14MB	(1) 2M x 36	(1) 1M x 36	(1) 512K x 36	NONE
14MB	(1) 2M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
14MB	(1) 2M x 36	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36
14MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 512K x 36
15MB	(1) 2M x 36	(1) 1M x 36	(1) 512K x 36	(1) 256K x 36
16MB	(1) 4M x 36	NONE	NONE	NONE
16MB	(1) 2M x 36	(1) 2M x 36	NONE	NONE
16MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	NONE
16MB	(1) 2M x 36	(1) 1M x 36	(1) 512K x 36	(1) 512K x 36
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
17MB	(1) 4M x 36	(1) 256K x 36	NONE	NONE
17MB	(1) 2M x 36	(1) 2M x 36	(1) 256K x 36	NONE
17MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	(1) 256K x 36
18MB	(1) 4M x 36	(1) 512K x 36	NONE	NONE
18MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	NONE
18MB	(1) 2M x 36	(1) 2M x 36	(1) 512K x 36	NONE
18MB	(1) 2M x 36	(1) 2M x 36	(1) 256K x 36	(1) 256K x 36
18MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	(1) 512K x 36
19MB	(1) 4M x 36	(1) 512K x 36	(1) 256K x 36	NONE
19MB	(1) 4M x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
19MB	(1) 2M x 36	(1) 2M x 36	(1) 512K x 36	(1) 256K x 36
20MB	(1) 4M x 36	(1) 1M x 36	NONE	NONE
20MB	(1) 4M x 36	(1) 512K x 36	(1) 512K x 36	NONE
20MB	(1) 4M x 36	(1) 512K x 36	(1) 256K x 36	(1) 256K x 36
20MB	(1) 2M x 36	(1) 2M x 36	(1) 1M x 36	NONE
20MB	(1) 2M x 36	(1) 2M x 36	(1) 512K x 36	(1) 512K x 36
20MB	(1) 2M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
21MB	(1) 4M x 36	(1) 1M x 36	(1) 256K x 36	NONE
21MB	(1) 4M x 36	(1) 512K x 36	(1) 512K x 36	(1) 256K x 36
21MB	(1) 2M x 36	(1) 2M x 36	(1) 1M x 36	(1) 256K x 36
22MB	(1) 4M x 36	(1) 1M x 36	(1) 512K x 36	NONE
22MB	(1) 4M x 36	(1) 1M x 36	(1) 256K x 36	(1) 256K x 36
22MB	(1) 4M x 36	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36
22MB	(1) 2M x 36	(1) 2M x 36	(1) 1M x 36	(1) 512K x 36
23MB	(1) 4M x 36	(1) 1M x 36	(1) 512K x 36	(1) 256K x 36

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

CACHE JUMPER CONFIGURATION
Size	JP20
128KB	pins 1 & 2 closed
256KB	pins 1 & 2 closed
512KB	pins 2 & 3 closed

CPU TYPE CONFIGURATION
Type	JP11	JPV1	JPV2	JP99
AM486DX	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	Closed
CX486DX	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed	Closed
80486DX	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	Closed
AM486DX2	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	Closed
CX486DX2	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed	Closed
80486DX2	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed	Closed
AM486DX4	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed	Open
80486DX4	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed	Open

CPU SPEED CONFIGURATION
Speed	JP7	JP27	JP28
25	pins 1 & 2 closed	pins 2 & 3 closed	Closed
33	pins 2 & 3 closed	pins 1 & 2 closed	Open
50i	pins 1 & 2 closed	pins 2 & 3 closed	Closed
66i	pins 2 & 3 closed	pins 1 & 2 closed	Open
75i	pins 1 & 2 closed	pins 2 & 3 closed	Closed
100i	pins 2 & 3 closed	pins 1 & 2 closed	Open

PCI BUS CONFIGURATION
Trigger	JP38A (PCI 0)	JP38B (PCI 1)	JP38C (PCI 2)
Level	pins 1 & 2 closed	pins 1 & 2 closed	pins 1 & 2 closed
Edge	pins 2 & 3 closed	pins 2 & 3 closed	pins 2 & 3 closed

IDE CARD SLOT SELECT CONFIGURATION
Setting	JP38D
Select PCI 3 using IRQ14	Closed
Select ISA or VESA	Open

PCI BUS CONFIGURATION
Setting	JP10A(IRQ9)	JP10B(IRQ10)	JP10C(IRQ11)	JP10D(IRQ12)	JP10E(IRQ15)
Compliance	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2	pins 1 & 2
Non-compliance	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 2 & 3	pins 2 & 3
Note:Pins designated should be in the closed position.