PT2000AIO Motherboard Settings and Configuration

SKYWELL TECHNOLOGY CORPORATION, LTD.

PT2000AIO

Processor
CX486DX/AM486DX(PLUS)/TI486DX/CX486DX2/TI486DX2/AM486DX2/ 80486DX2/AM486DX4/CX486DX4/TI486DX4/80486DX4/SL80486DX4/P24D/P24T/CX5X86/CXM9/AM5X86
Processor Speed
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Chip Set
Unidentified
Video Chip Set
Unidentified
Maximum Onboard Memory
64MB
Maximum Video Memory
2MB
Cache
128/256/512/1024KB
BIOS
Award
Dimensions
254mm x 218mm
I/O Options
Floppy drive interface, IDE interface, green PC connector, parallel port, serial ports (2), VGA feature connector, VGA port, riser slot, IR connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
IDE interface
CN4
Auxiliary keyboard connector
J10
Floppy drive interface
CN5
VGA port
J30
Parallel port
CN6
VGA feature connector
J31
Serial port 1
CN7
IDE interface LED
JP21
Serial port 2
CN8
IR connector
JP25
Reset switch
J8
Riser slot
SL1
Power LED & keylock
J9

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
VGA address select normal operation
JP12
Pins 1 & 2 closed

VGA address select use A27 - A31
JP12
Pins 2 & 3 closed
»
CMOS memory normal operation
JP23
Pins 1 & 2 closed

CMOS memory clear
JP23
Pins 2 & 3 closed
»
Factory configured - do not alter
JP29
Unidentified
»
Factory configured - do not alter
JP30
Unidentified

DRAM CONFIGURATION
Size
Bank 0
Bank 1
1MB
(1) 256K x 36
None
2MB
(1) 512K x 36
None
2MB
(1) 256K x 36
(1) 256K x 36
3MB
(1) 256K x 36
(1) 512K x 36
3MB
(1) 512K x 36
(1) 256K x 36
4MB
(1) 1M x 36
None
4MB
(1) 512K x 36
(1) 512K x 36
5MB
(1) 256K x 36
(1) 1M x 36
5MB
(1) 1M x 36
(1) 256K x 36
6MB
(1) 512K x 36
(1) 1M x 36
6MB
(1) 1M x 36
(1) 512K x 36
8MB
(1) 2M x 36
None
8MB
(1) 1M x 36
(1) 1M x 36
9MB
(1) 2M x 36
(1) 256K x 36
10MB
(1) 2M x 36
(1) 512K x 36
12MB
(1) 2M x 36
(1) 1M x 36
16MB
(1) 4M x 36
None
17MB
(1) 256K x 36
(1) 4M x 36
17MB
(1) 4M x 36
(1) 256K x 36
18MB
(1) 512K x 36
(1) 4M x 36
18MB
(1) 4M x 36
(1) 512K x 36
20MB
(1) 1M x 36
(1) 4M x 36
20MB
(1) 4M x 36
(1) 1M x 36

DRAM CONFIGURATION (CON’T)
Size
Bank 0
Bank 1
24MB
(1) 2M x 36
(1) 4M x 36
32MB
(1) 8M x 36
None
32MB
(1) 4M x 36
(1) 4M x 36
33MB
(1) 256K x 36
(1) 8M x 36
33MB
(1) 8M x 36
(1) 256K x 36
34MB
(1) 512K x 36
(1) 8M x 36
34MB
(1) 8M x 36
(1) 512K x 36
36MB
(1) 1M x 36
(1) 8M x 36
36MB
(1) 8M x 36
(1) 1M x 36
40MB
(1) 2M x 36
(1) 8M x 36
48MB
(1) 4M x 36
(1) 8M x 36
48MB
(1) 8M x 36
(1) 4M x 36
64MB
(1) 16M x 36
None
64MB
(1) 8M x 36
(1) 8M x 36

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG
128KB
(4) 32K x 8
None
(1) 8K x 8
256KB (A)
(4) 32K x 8
(4) 32K x 8
(1) 32K x 8
256KB (B)
(4) 64K x 8
None
(1) 32K x 8
512KB (A)
(4) 64K x 8
(4) 64K x 8
(1) 32K x 8
512KB (B)
(4) 128K x 8
None
(1) 32K x 8
1MB
(4) 128K x 8
(4) 128K x 8
(1) 64K x 8

CACHE JUMPER CONFIGURATION
Size
J1
J2
J3
128KB
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
256KB (A)
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
256KB (B)
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
512KB (A)
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
512KB (B)
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
1MB
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 2 & 3 closed

CACHE JUMPER CONFIGURATION (CON’T)
Size
J4
J5
J6
J7
128KB
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
256KB (A)
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
256KB (B)
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
512KB (A)
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
512KB (B)
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
1MB
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed

VIDEO MEMORY CONFIGURATION
Size
Bank 0
Bank 1
1MB
1MB
None
2MB
1MB
1MB
Note: The size of the chips are unidentified.

CPU SPEED SELECTION
Speed
JP9
JP10
JP11
25MHz
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
33MHz
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
40MHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
50iMHz
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
50MHz
Pins 1 & 2 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
66iMHz
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
75iMHz
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
100iMHz
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 1 & 2 closed

CPU TYPE SELECTION
Type
JP1
JP2
JP4
JP5
JP6
CX486DX
Open
1 & 2
1 & 2
1 & 2
1 & 2
AM486DX (PLUS)
1 & 2
1 & 2
2 & 3
2 & 3
1 & 2
TI486DX
Open
1 & 2
1 & 2
1 & 2
1 & 2
CX486DX2
Open
1 & 2
1 & 2
1 & 2
1 & 2
TI486DX2
Open
1 & 2
1 & 2
1 & 2
1 & 2
AM486DX2
1 & 2
1 & 2
2 & 3
2 & 3
1 & 2
80486DX2
Open
1 & 2
1 & 2
Open
1 & 2
AM486DX4
1 & 2
1 & 2
2 & 3
2 & 3
1 & 2
CX486DX4
Open
1 & 2
1 & 2
1 & 2
1 & 2
TI486DX4
Open
1 & 2
1 & 2
1 & 2
1 & 2
80486DX4
Open
1 & 2
1 & 2
Open
1 & 2
SL80486DX4
Open
1 & 2
1 & 2
Open
1 & 2
P24D
1 & 2
1 & 2
1 & 2
2 & 3
1 & 2
P24T
1 & 2
1 & 2
1 & 2
2 & 3
1 & 2
CX5X86
1 & 2
1 & 2
1 & 2
2 & 3
1 & 2
CX M9
Open
1 & 2
1 & 2
2 & 3
1 & 2
AM5X86
1 & 2
1 & 2
2 & 3
2 & 3
1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type
JP7
JP35
RN1
RN1
RN3
CX486DX
1 & 2
1 & 2
Not installed
Installed
Not installed
AM486DX (PLUS)
1 & 2
1 & 2
Not installed
Not installed
Installed
TI486DX
1 & 2
1 & 2
Not installed
Installed
Not installed
CX486DX2
1 & 2
1 & 2
Not installed
Installed
Not installed
TI486DX2
1 & 2
1 & 2
Not installed
Installed
Not installed
AM486DX2
1 & 2
1 & 2
Not installed
Not installed
Installed
80486DX2
1 & 2
2 & 3
Not installed
Not installed
Installed
AM486DX4
1 & 2
1 & 2
Not installed
Not installed
Installed
CX486DX4
1 & 2
1 & 2
Not installed
Installed
Not installed
TI486DX4
1 & 2
1 & 2
Not installed
Installed
Not installed
80486DX4
1 & 2
1 & 2
Not installed
Not installed
Installed
SL80486DX4
1 & 2
1 & 2
Not installed
Not installed
Installed
P24D
1 & 2
1 & 2
Not installed
Not installed
Installed
P24T
1 & 2
1 & 2
Not installed
Not installed
Installed
CX5X86
1 & 2
1 & 2
Not installed
Not installed
Installed
CX M9
1 & 2
1 & 2
Not installed
Not installed
Installed
AM5X86
1 & 2
1 & 2
Not installed
Not installed
Installed
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage
J25
JP24
3.3v
Open
Pins 2 & 3 closed
3.45v
Open
Pins 1 & 2 closed
5v
Pins 1 & 2 closed
Open

SERIAL PORT RI SELECTION
Setting
J26 (COM1)
J27 (COM2)
5v
Pins 1 & 2 closed
Pins 1 & 2 closed
RI
Pins 2 & 3 closed
Pins 2 & 3 closed

SERIAL PORT DCD SELECTION
Setting
J28 (COM1)
J29 (COM2)
5v
Pins 1 & 2 closed
Pins 1 & 2 closed
DCD
Pins 2 & 3 closed
Pins 2 & 3 closed

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PT2000AIO Motherboard Settings and Configuration

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Processor	CX486DX/AM486DX(PLUS)/TI486DX/CX486DX2/TI486DX2/AM486DX2/ 80486DX2/AM486DX4/CX486DX4/TI486DX4/80486DX4/SL80486DX4/P24D/P24T/CX5X86/CXM9/AM5X86
Processor Speed	25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Chip Set	Unidentified
Video Chip Set	Unidentified
Maximum Onboard Memory	64MB
Maximum Video Memory	2MB
Cache	128/256/512/1024KB
BIOS	Award
Dimensions	254mm x 218mm
I/O Options	Floppy drive interface, IDE interface, green PC connector, parallel port, serial ports (2), VGA feature connector, VGA port, riser slot, IR connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
IDE interface	CN4	Auxiliary keyboard connector	J10
Floppy drive interface	CN5	VGA port	J30
Parallel port	CN6	VGA feature connector	J31
Serial port 1	CN7	IDE interface LED	JP21
Serial port 2	CN8	IR connector	JP25
Reset switch	J8	Riser slot	SL1
Power LED & keylock	J9

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	VGA address select normal operation	JP12	Pins 1 & 2 closed
	VGA address select use A27 - A31	JP12	Pins 2 & 3 closed
»	CMOS memory normal operation	JP23	Pins 1 & 2 closed
	CMOS memory clear	JP23	Pins 2 & 3 closed
»	Factory configured - do not alter	JP29	Unidentified
»	Factory configured - do not alter	JP30	Unidentified

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(1) 256K x 36	None
2MB	(1) 512K x 36	None
2MB	(1) 256K x 36	(1) 256K x 36
3MB	(1) 256K x 36	(1) 512K x 36
3MB	(1) 512K x 36	(1) 256K x 36
4MB	(1) 1M x 36	None
4MB	(1) 512K x 36	(1) 512K x 36
5MB	(1) 256K x 36	(1) 1M x 36
5MB	(1) 1M x 36	(1) 256K x 36
6MB	(1) 512K x 36	(1) 1M x 36
6MB	(1) 1M x 36	(1) 512K x 36
8MB	(1) 2M x 36	None
8MB	(1) 1M x 36	(1) 1M x 36
9MB	(1) 2M x 36	(1) 256K x 36
10MB	(1) 2M x 36	(1) 512K x 36
12MB	(1) 2M x 36	(1) 1M x 36
16MB	(1) 4M x 36	None
17MB	(1) 256K x 36	(1) 4M x 36
17MB	(1) 4M x 36	(1) 256K x 36
18MB	(1) 512K x 36	(1) 4M x 36
18MB	(1) 4M x 36	(1) 512K x 36
20MB	(1) 1M x 36	(1) 4M x 36
20MB	(1) 4M x 36	(1) 1M x 36

DRAM CONFIGURATION (CON’T)
Size	Bank 0	Bank 1
24MB	(1) 2M x 36	(1) 4M x 36
32MB	(1) 8M x 36	None
32MB	(1) 4M x 36	(1) 4M x 36
33MB	(1) 256K x 36	(1) 8M x 36
33MB	(1) 8M x 36	(1) 256K x 36
34MB	(1) 512K x 36	(1) 8M x 36
34MB	(1) 8M x 36	(1) 512K x 36
36MB	(1) 1M x 36	(1) 8M x 36
36MB	(1) 8M x 36	(1) 1M x 36
40MB	(1) 2M x 36	(1) 8M x 36
48MB	(1) 4M x 36	(1) 8M x 36
48MB	(1) 8M x 36	(1) 4M x 36
64MB	(1) 16M x 36	None
64MB	(1) 8M x 36	(1) 8M x 36

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG
128KB	(4) 32K x 8	None	(1) 8K x 8
256KB (A)	(4) 32K x 8	(4) 32K x 8	(1) 32K x 8
256KB (B)	(4) 64K x 8	None	(1) 32K x 8
512KB (A)	(4) 64K x 8	(4) 64K x 8	(1) 32K x 8
512KB (B)	(4) 128K x 8	None	(1) 32K x 8
1MB	(4) 128K x 8	(4) 128K x 8	(1) 64K x 8

CACHE JUMPER CONFIGURATION
Size	J1	J2	J3
128KB	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB (A)	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB (B)	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
512KB (A)	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
512KB (B)	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
1MB	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed

CACHE JUMPER CONFIGURATION (CON’T)
Size	J4	J5	J6	J7
128KB	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB (A)	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
256KB (B)	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
512KB (A)	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
512KB (B)	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
1MB	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed

VIDEO MEMORY CONFIGURATION
Size	Bank 0	Bank 1
1MB	1MB	None
2MB	1MB	1MB
Note: The size of the chips are unidentified.

CPU SPEED SELECTION
Speed	JP9	JP10	JP11
25MHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
33MHz	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
40MHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
50iMHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
50MHz	Pins 1 & 2 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
66iMHz	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
75iMHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
100iMHz	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed

CPU TYPE SELECTION
Type	JP1	JP2	JP4	JP5	JP6
CX486DX	Open	1 & 2	1 & 2	1 & 2	1 & 2
AM486DX (PLUS)	1 & 2	1 & 2	2 & 3	2 & 3	1 & 2
TI486DX	Open	1 & 2	1 & 2	1 & 2	1 & 2
CX486DX2	Open	1 & 2	1 & 2	1 & 2	1 & 2
TI486DX2	Open	1 & 2	1 & 2	1 & 2	1 & 2
AM486DX2	1 & 2	1 & 2	2 & 3	2 & 3	1 & 2
80486DX2	Open	1 & 2	1 & 2	Open	1 & 2
AM486DX4	1 & 2	1 & 2	2 & 3	2 & 3	1 & 2
CX486DX4	Open	1 & 2	1 & 2	1 & 2	1 & 2
TI486DX4	Open	1 & 2	1 & 2	1 & 2	1 & 2
80486DX4	Open	1 & 2	1 & 2	Open	1 & 2
SL80486DX4	Open	1 & 2	1 & 2	Open	1 & 2
P24D	1 & 2	1 & 2	1 & 2	2 & 3	1 & 2
P24T	1 & 2	1 & 2	1 & 2	2 & 3	1 & 2
CX5X86	1 & 2	1 & 2	1 & 2	2 & 3	1 & 2
CX M9	Open	1 & 2	1 & 2	2 & 3	1 & 2
AM5X86	1 & 2	1 & 2	2 & 3	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU TYPE SELECTION (CON’T)
Type	JP7	JP35	RN1	RN1	RN3
CX486DX	1 & 2	1 & 2	Not installed	Installed	Not installed
AM486DX (PLUS)	1 & 2	1 & 2	Not installed	Not installed	Installed
TI486DX	1 & 2	1 & 2	Not installed	Installed	Not installed
CX486DX2	1 & 2	1 & 2	Not installed	Installed	Not installed
TI486DX2	1 & 2	1 & 2	Not installed	Installed	Not installed
AM486DX2	1 & 2	1 & 2	Not installed	Not installed	Installed
80486DX2	1 & 2	2 & 3	Not installed	Not installed	Installed
AM486DX4	1 & 2	1 & 2	Not installed	Not installed	Installed
CX486DX4	1 & 2	1 & 2	Not installed	Installed	Not installed
TI486DX4	1 & 2	1 & 2	Not installed	Installed	Not installed
80486DX4	1 & 2	1 & 2	Not installed	Not installed	Installed
SL80486DX4	1 & 2	1 & 2	Not installed	Not installed	Installed
P24D	1 & 2	1 & 2	Not installed	Not installed	Installed
P24T	1 & 2	1 & 2	Not installed	Not installed	Installed
CX5X86	1 & 2	1 & 2	Not installed	Not installed	Installed
CX M9	1 & 2	1 & 2	Not installed	Not installed	Installed
AM5X86	1 & 2	1 & 2	Not installed	Not installed	Installed
Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION
Voltage	J25	JP24
3.3v	Open	Pins 2 & 3 closed
3.45v	Open	Pins 1 & 2 closed
5v	Pins 1 & 2 closed	Open

SERIAL PORT RI SELECTION
Setting	J26 (COM1)	J27 (COM2)
5v	Pins 1 & 2 closed	Pins 1 & 2 closed
RI	Pins 2 & 3 closed	Pins 2 & 3 closed

SERIAL PORT DCD SELECTION
Setting	J28 (COM1)	J29 (COM2)
5v	Pins 1 & 2 closed	Pins 1 & 2 closed
DCD	Pins 2 & 3 closed	Pins 2 & 3 closed