AM-8887 Motherboard Settings and Configuration

ACTION WELL DEVELOPMENT, LTD.

AM-8887

Device Type
Mainboard
Processor
80486SX/UMC486DX/AM486DX/80486DX/SL80486DX/UMC486DX2/ CX486DX2/IBM486DX2/TI486DX2/AM486DX2/80486DX2/
SL80486DX2/CX486DX4/IBM486DX4/TI486DX4/AM486DX4/
(SL) AM486DX4/SL80486DX4/P24D/P24T/CX 5X86/AM 5X86
Processor Speed
25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/
100(internal)/120(internal)/133(internal)MHz
Chip Set
UMC
Maximum Onboard Memory
64MB (EDO & SDRAM supported)
Cache
128/256/512KB
BIOS
AMI
Dimensions
220mm x 180mm
I/O Options
32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), IR connector

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 2
CN1
Green PC connector
J10
Serial port 1
CN2
IDE interface LED
J29
Floppy drive interface
CN3
Turbo switch
J30
Parallel port
CN4
Reset switch
J31
IDE interface 2
CN5
Turbo LED
J32
IDE interface 1
CN6
Speaker
J33
External battery
J2
Power LED & keylock
J34
IR connector
J3
32-bit PCI slots
PC1 – PC3

USER CONFIGURABLE SETTINGS
Function
Label
Position

Battery type select internal
J2
Pins 1 & 2 closed

Battery type select external
J2
Open

CMOS memory clear
J2
Pins 3 & 4 closed
»
Flash BIOS voltage select 5v
J5
Pins 2 & 3 closed

Flash BIOS voltage select 12v
J5
Pins 1 & 2 closed

SIMM 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
4MB
(1) 1M x 36
None
None
None
4MB
(1) 512K x 36
(1) 512K x 36
None
None
5MB
(1) 1M x 36
(1) 256K x 36
None
None
6MB
(1) 1M x 36
(1) 512K x 36
None
None
8MB
(1) 1M x 36
(1) 1M x 36
None
None
16MB
(1) 4M x 36
None
None
None
17MB
(1) 4M x 36
(1) 256K x 36
None
None
18MB
(1) 4M x 36
(1) 512K x 36
None
None
20MB
(1) 4M x 36
(1) 1M x 36
None
None
32MB
(1) 8M x 36
None
None
None
32MB
(1) 4M x 36
(1) 4M x 36
None
None

SIMM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
Bank 2
Bank 3
33MB
(1) 8M x 36
(1) 256K x 36
None
None
34MB
(1) 8M x 36
(1) 512K x 36
None
None
36MB
(1) 8M x 36
(1) 1M x 36
None
None
48MB
(1) 8M x 36
(1) 4M x 36
None
None
64MB
(1) 8M x 36
(1) 8M x 36
None
None
Note: Board accepts EDO memory.

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

CACHE JUMPER CONFIGURATION
Size
J1
128KB
Open
256KB
Pins 1 & 2 closed
512KB
Pins 1 & 2, 3 & 4 closed

CPU SPEED SELECTION
Speed
J28
25MHz
Pins 1 & 2 closed
33MHz
Pins 1 & 2, 3 & 4, 5 & 6 closed
40MHz
Pins 1 & 2, 3 & 4 closed
50iMHz
Pins 1 & 2 closed
50MHz
Pins 5 & 6 closed
66iMHz
Pins 1 & 2, 3 & 4, 5 & 6 closed
75iMHz
Pins 1 & 2 closed
80iMHz
Pins 1 & 2, 3 & 4 closed
100iMHz
Pins 1 & 2, 3 & 4, 5 & 6 closed
120iMHz
Pins 1 & 2, 3 & 4 closed
133iMHz
Pins 1 & 2, 3 & 4, 5 & 6 closed

CPU TYPE SELECTION
Type
J6
J7
J12
J13
J14
80486SX
1 & 2
1 & 2
Open
2 & 3
Open
UMC486DX
1 & 2
1 & 2
2 & 3, 4 & 5
1 & 2, 3 & 4
Open
AM486DX
1 & 2
2 & 3
Open
1 & 2, 3 & 4
Open
80486DX
1 & 2
1 & 2
Open
1 & 2, 3 & 4
Open
SL80486DX
1 & 2
1 & 2
2 & 3, 4 & 5
1 & 2, 3 & 4
Open
UMC486DX2
1 & 2
1 & 2
2 & 3, 4 & 5
1 & 2, 3 & 4
Open
CX486DX2
2 & 3
1 & 2
1 & 2, 3 & 4
1 & 2, 3 & 4
2 & 3
IBM486DX2
2 & 3
1 & 2
1 & 2, 3 & 4
1 & 2, 3 & 4
2 & 3
TI486DX2
2 & 3
1 & 2
1 & 2, 3 & 4
1 & 2, 3 & 4
2 & 3
AM486DX2
1 & 2
2 & 3
Open
1 & 2, 3 & 4
Open
80486DX2
1 & 2
1 & 2
Open
1 & 2, 3 & 4
Open
SL80486DX2
1 & 2
1 & 2
2 & 3, 4 & 5
1 & 2, 3 & 4
Open
CX486DX4
2 & 3
1 & 2
1 & 2, 3 & 4
1 & 2, 3 & 4
2 & 3
IBM486DX4
2 & 3
1 & 2
1 & 2, 3 & 4
1 & 2, 3 & 4
2 & 3
TI486DX4
2 & 3
1 & 2
1 & 2, 3 & 4
1 & 2, 3 & 4
2 & 3
AM486DX4
1 & 2
2 & 3
Open
1 & 2, 3 & 4
Open
(SL) AM486DX4
1 & 2
1 & 2
2 & 3, 4 & 5
1 & 2, 3 & 4
Open
SL80486DX4
1 & 2
1 & 2
2 & 3, 4 & 5
1 & 2, 3 & 4
Open
P24D
1 & 2
1 & 2
1 & 2, 3 & 4
1 & 2, 3 & 4
Open
P24T
1 & 2
1 & 2
2 & 3, 4 & 5
1 & 2, 3 & 4
1 & 2
CX 5X86
1 & 2
1 & 2
2 & 3, 4 & 5
1 & 2, 3 & 4
Open
AM 5X86
1 & 2
1 & 2
2 & 3, 4 & 5
1 & 2, 3 & 4
Open
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
J15
J16
J17
J18
J19
80486SX
Open
1 & 2
Open
Open
Open
UMC486DX
3 & 4
3 & 4
Open
Open
Open
AM486DX
3 & 4
1 & 2
Open
Open
Open
80486DX
3 & 4
1 & 2
Open
Open
Open
SL80486DX
3 & 4
3 & 4
Open
Open
Open
UMC486DX2
3 & 4
3 & 4
Open
Open
Open
CX486DX2
3 & 4
3 & 4
2 & 3
1 & 2
2 & 3
IBM486DX2
3 & 4
3 & 4
2 & 3
1 & 2
2 & 3
TI486DX2
3 & 4
3 & 4
2 & 3
1 & 2
2 & 3
AM486DX2
3 & 4
1 & 2
Open
Open
Open
80486DX2
3 & 4
1 & 2
Open
Open
Open
SL80486DX2
3 & 4
3 & 4
Open
Open
Open
CX486DX4
3 & 4
3 & 4
2 & 3
1 & 2
Open
IBM486DX4
3 & 4
3 & 4
2 & 3
1 & 2
Open
TI486DX4
3 & 4
3 & 4
2 & 3
1 & 2
Open
AM486DX4
3 & 4
1 & 2
Open
Open
Open
(SL) AM486DX4
3 & 4
3 & 4
Open
Open
Open
SL80486DX4
3 & 4
3 & 4
Open
Open
Open
P24D
3 & 4
3 & 4
Open
Open
Open
P24T
2 & 3
3 & 4, 5 & 6
1 & 2
2 & 3
Open
CX 5X86
3 & 4
3 & 4
Open
Open
Open
AM 5X86
3 & 4
3 & 4
Open
Open
Open
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
J20
J21
J22
J23
J24
80486SX
Open
Open
Open
Open
Open
UMC486DX
1 & 2
2 & 3
Open
1 & 2
Open
AM486DX
Open
Open
Open
Open
Open
80486DX
Open
Open
Open
Open
Open
SL80486DX
1 & 2
2 & 3
Open
1 & 2
Open
UMC486DX2
1 & 2
2 & 3
Open
1 & 2
Open
CX486DX2
2 & 3
Open
Open
1 & 2
Open
IBM486DX2
2 & 3
Open
Open
1 & 2
Open
TI486DX2
2 & 3
Open
Open
1 & 2
Open
AM486DX2
Open
Open
Open
Open
Open
80486DX2
Open
Open
Open
Open
Open
SL80486DX2
1 & 2
2 & 3
Open
1 & 2
Open
CX486DX4
2 & 3
Open
Open
1 & 2
Open
IBM486DX4
2 & 3
Open
Open
1 & 2
Open
TI486DX4
2 & 3
Open
Open
1 & 2
Open
AM486DX4
Open
Open
Open
Open
Open
(SL) AM486DX4
1 & 2
Open
2 & 3
1 & 2
Closed
SL80486DX4
1 & 2
Open
Open
1 & 2
Open
P24D
1 & 2
2 & 3
2 & 3
1 & 2
Closed
P24T
1 & 2
2 & 3
Open
1 & 2
Open
CX 5X86
1 & 2
Open
2 & 3
1 & 2
Open
AM 5X86
1 & 2
1 & 2
2 & 3
1 & 2
Closed
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
J25
J26
J27
80486SX
Open
Open
Open
UMC486DX
Open
Open
Open
AM486DX
Open
Open
Open
80486DX
Open
Open
Open
SL80486DX
Open
Open
Open
UMC486DX2
Open
Open
Open
CX486DX2
Open
Open
Open
IBM486DX2
Open
Open
Open
TI486DX2
Open
Open
Open
AM486DX2
Open
Open
Open
80486DX2
Open
Open
Open
SL80486DX2
Open
Open
Open
CX486DX4
Open
Open
Open
IBM486DX4
Open
Open
Open
TI486DX4
Open
Open
Open
AM486DX4
Open
Open
Open
(SL) AM486DX4
Closed
Closed
Open
SL80486DX4
Open
Open
Open
P24D
Closed
Closed
Open
P24T
Open
Open
Open
CX 5X86
Closed
Open
Closed
AM 5X86
Closed
Closed
Open

CPU VOLTAGE SELECTION
Voltage
J8
J9
J35
3.3v
Pins 2 & 3 closed
Pins 2 & 3 closed
Closed
4v
Pins 2 & 3 closed
Pins 2 & 3 closed
Open
5v
Pins 1 & 2 closed
Pins 1 & 2 closed
Open

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AM-8887 Motherboard Settings and Configuration

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Device Type	Mainboard
Processor	80486SX/UMC486DX/AM486DX/80486DX/SL80486DX/UMC486DX2/ CX486DX2/IBM486DX2/TI486DX2/AM486DX2/80486DX2/ SL80486DX2/CX486DX4/IBM486DX4/TI486DX4/AM486DX4/ (SL) AM486DX4/SL80486DX4/P24D/P24T/CX 5X86/AM 5X86
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)/120(internal)/133(internal)MHz
Chip Set	UMC
Maximum Onboard Memory	64MB (EDO & SDRAM supported)
Cache	128/256/512KB
BIOS	AMI
Dimensions	220mm x 180mm
I/O Options	32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), IR connector

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 2	CN1	Green PC connector	J10
Serial port 1	CN2	IDE interface LED	J29
Floppy drive interface	CN3	Turbo switch	J30
Parallel port	CN4	Reset switch	J31
IDE interface 2	CN5	Turbo LED	J32
IDE interface 1	CN6	Speaker	J33
External battery	J2	Power LED & keylock	J34
IR connector	J3	32-bit PCI slots	PC1 – PC3

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Battery type select internal	J2	Pins 1 & 2 closed
	Battery type select external	J2	Open
	CMOS memory clear	J2	Pins 3 & 4 closed
»	Flash BIOS voltage select 5v	J5	Pins 2 & 3 closed
	Flash BIOS voltage select 12v	J5	Pins 1 & 2 closed

SIMM 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
4MB	(1) 1M x 36	None	None	None
4MB	(1) 512K x 36	(1) 512K x 36	None	None
5MB	(1) 1M x 36	(1) 256K x 36	None	None
6MB	(1) 1M x 36	(1) 512K x 36	None	None
8MB	(1) 1M x 36	(1) 1M x 36	None	None
16MB	(1) 4M x 36	None	None	None
17MB	(1) 4M x 36	(1) 256K x 36	None	None
18MB	(1) 4M x 36	(1) 512K x 36	None	None
20MB	(1) 4M x 36	(1) 1M x 36	None	None
32MB	(1) 8M x 36	None	None	None
32MB	(1) 4M x 36	(1) 4M x 36	None	None

SIMM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
33MB	(1) 8M x 36	(1) 256K x 36	None	None
34MB	(1) 8M x 36	(1) 512K x 36	None	None
36MB	(1) 8M x 36	(1) 1M x 36	None	None
48MB	(1) 8M x 36	(1) 4M x 36	None	None
64MB	(1) 8M x 36	(1) 8M x 36	None	None
Note: Board accepts EDO memory.

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

CACHE JUMPER CONFIGURATION
Size	J1
128KB	Open
256KB	Pins 1 & 2 closed
512KB	Pins 1 & 2, 3 & 4 closed

CPU SPEED SELECTION
Speed	J28
25MHz	Pins 1 & 2 closed
33MHz	Pins 1 & 2, 3 & 4, 5 & 6 closed
40MHz	Pins 1 & 2, 3 & 4 closed
50iMHz	Pins 1 & 2 closed
50MHz	Pins 5 & 6 closed
66iMHz	Pins 1 & 2, 3 & 4, 5 & 6 closed
75iMHz	Pins 1 & 2 closed
80iMHz	Pins 1 & 2, 3 & 4 closed
100iMHz	Pins 1 & 2, 3 & 4, 5 & 6 closed
120iMHz	Pins 1 & 2, 3 & 4 closed
133iMHz	Pins 1 & 2, 3 & 4, 5 & 6 closed

CPU TYPE SELECTION
Type	J6	J7	J12	J13	J14
80486SX	1 & 2	1 & 2	Open	2 & 3	Open
UMC486DX	1 & 2	1 & 2	2 & 3, 4 & 5	1 & 2, 3 & 4	Open
AM486DX	1 & 2	2 & 3	Open	1 & 2, 3 & 4	Open
80486DX	1 & 2	1 & 2	Open	1 & 2, 3 & 4	Open
SL80486DX	1 & 2	1 & 2	2 & 3, 4 & 5	1 & 2, 3 & 4	Open
UMC486DX2	1 & 2	1 & 2	2 & 3, 4 & 5	1 & 2, 3 & 4	Open
CX486DX2	2 & 3	1 & 2	1 & 2, 3 & 4	1 & 2, 3 & 4	2 & 3
IBM486DX2	2 & 3	1 & 2	1 & 2, 3 & 4	1 & 2, 3 & 4	2 & 3
TI486DX2	2 & 3	1 & 2	1 & 2, 3 & 4	1 & 2, 3 & 4	2 & 3
AM486DX2	1 & 2	2 & 3	Open	1 & 2, 3 & 4	Open
80486DX2	1 & 2	1 & 2	Open	1 & 2, 3 & 4	Open
SL80486DX2	1 & 2	1 & 2	2 & 3, 4 & 5	1 & 2, 3 & 4	Open
CX486DX4	2 & 3	1 & 2	1 & 2, 3 & 4	1 & 2, 3 & 4	2 & 3
IBM486DX4	2 & 3	1 & 2	1 & 2, 3 & 4	1 & 2, 3 & 4	2 & 3
TI486DX4	2 & 3	1 & 2	1 & 2, 3 & 4	1 & 2, 3 & 4	2 & 3
AM486DX4	1 & 2	2 & 3	Open	1 & 2, 3 & 4	Open
(SL) AM486DX4	1 & 2	1 & 2	2 & 3, 4 & 5	1 & 2, 3 & 4	Open
SL80486DX4	1 & 2	1 & 2	2 & 3, 4 & 5	1 & 2, 3 & 4	Open
P24D	1 & 2	1 & 2	1 & 2, 3 & 4	1 & 2, 3 & 4	Open
P24T	1 & 2	1 & 2	2 & 3, 4 & 5	1 & 2, 3 & 4	1 & 2
CX 5X86	1 & 2	1 & 2	2 & 3, 4 & 5	1 & 2, 3 & 4	Open
AM 5X86	1 & 2	1 & 2	2 & 3, 4 & 5	1 & 2, 3 & 4	Open
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	J15	J16	J17	J18	J19
80486SX	Open	1 & 2	Open	Open	Open
UMC486DX	3 & 4	3 & 4	Open	Open	Open
AM486DX	3 & 4	1 & 2	Open	Open	Open
80486DX	3 & 4	1 & 2	Open	Open	Open
SL80486DX	3 & 4	3 & 4	Open	Open	Open
UMC486DX2	3 & 4	3 & 4	Open	Open	Open
CX486DX2	3 & 4	3 & 4	2 & 3	1 & 2	2 & 3
IBM486DX2	3 & 4	3 & 4	2 & 3	1 & 2	2 & 3
TI486DX2	3 & 4	3 & 4	2 & 3	1 & 2	2 & 3
AM486DX2	3 & 4	1 & 2	Open	Open	Open
80486DX2	3 & 4	1 & 2	Open	Open	Open
SL80486DX2	3 & 4	3 & 4	Open	Open	Open
CX486DX4	3 & 4	3 & 4	2 & 3	1 & 2	Open
IBM486DX4	3 & 4	3 & 4	2 & 3	1 & 2	Open
TI486DX4	3 & 4	3 & 4	2 & 3	1 & 2	Open
AM486DX4	3 & 4	1 & 2	Open	Open	Open
(SL) AM486DX4	3 & 4	3 & 4	Open	Open	Open
SL80486DX4	3 & 4	3 & 4	Open	Open	Open
P24D	3 & 4	3 & 4	Open	Open	Open
P24T	2 & 3	3 & 4, 5 & 6	1 & 2	2 & 3	Open
CX 5X86	3 & 4	3 & 4	Open	Open	Open
AM 5X86	3 & 4	3 & 4	Open	Open	Open
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	J20	J21	J22	J23	J24
80486SX	Open	Open	Open	Open	Open
UMC486DX	1 & 2	2 & 3	Open	1 & 2	Open
AM486DX	Open	Open	Open	Open	Open
80486DX	Open	Open	Open	Open	Open
SL80486DX	1 & 2	2 & 3	Open	1 & 2	Open
UMC486DX2	1 & 2	2 & 3	Open	1 & 2	Open
CX486DX2	2 & 3	Open	Open	1 & 2	Open
IBM486DX2	2 & 3	Open	Open	1 & 2	Open
TI486DX2	2 & 3	Open	Open	1 & 2	Open
AM486DX2	Open	Open	Open	Open	Open
80486DX2	Open	Open	Open	Open	Open
SL80486DX2	1 & 2	2 & 3	Open	1 & 2	Open
CX486DX4	2 & 3	Open	Open	1 & 2	Open
IBM486DX4	2 & 3	Open	Open	1 & 2	Open
TI486DX4	2 & 3	Open	Open	1 & 2	Open
AM486DX4	Open	Open	Open	Open	Open
(SL) AM486DX4	1 & 2	Open	2 & 3	1 & 2	Closed
SL80486DX4	1 & 2	Open	Open	1 & 2	Open
P24D	1 & 2	2 & 3	2 & 3	1 & 2	Closed
P24T	1 & 2	2 & 3	Open	1 & 2	Open
CX 5X86	1 & 2	Open	2 & 3	1 & 2	Open
AM 5X86	1 & 2	1 & 2	2 & 3	1 & 2	Closed
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	J25	J26	J27
80486SX	Open	Open	Open
UMC486DX	Open	Open	Open
AM486DX	Open	Open	Open
80486DX	Open	Open	Open
SL80486DX	Open	Open	Open
UMC486DX2	Open	Open	Open
CX486DX2	Open	Open	Open
IBM486DX2	Open	Open	Open
TI486DX2	Open	Open	Open
AM486DX2	Open	Open	Open
80486DX2	Open	Open	Open
SL80486DX2	Open	Open	Open
CX486DX4	Open	Open	Open
IBM486DX4	Open	Open	Open
TI486DX4	Open	Open	Open
AM486DX4	Open	Open	Open
(SL) AM486DX4	Closed	Closed	Open
SL80486DX4	Open	Open	Open
P24D	Closed	Closed	Open
P24T	Open	Open	Open
CX 5X86	Closed	Open	Closed
AM 5X86	Closed	Closed	Open

CPU VOLTAGE SELECTION
Voltage	J8	J9	J35
3.3v	Pins 2 & 3 closed	Pins 2 & 3 closed	Closed
4v	Pins 2 & 3 closed	Pins 2 & 3 closed	Open
5v	Pins 1 & 2 closed	Pins 1 & 2 closed	Open