AAEON TECHNOLOGY, INC.
SBC-490
|
Device Type |
Mainboard |
|
Processor |
80486SX/SL80486SX/80486DX/SL80486DX/CX486DX2/SGS486DX2/ TI486DX2/ IBM486DX2/AM486DX2/80486DX2/SL80486DX2/AM486DX4/(SL)AM486DX4/ SL80486DX4/ P24D/CXMISC/CX 5X86/IBM 5X86/SGS 5X86/AM X5 |
|
Processor Speed |
25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz |
|
Chip Set |
ALI 1489 |
|
Video Chip Set |
Trident |
|
Maximum Onboard Memory |
128MB (EDO supported) |
|
Maximum Video Memory |
2MB |
|
Cache |
128/256/512KB |
|
BIOS |
Award |
|
Dimensions |
338mm x 122mm |
|
I/O Options |
Floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, IR connector, PC/104connectors (2) |
|
CONNECTIONS |
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|
Purpose |
Location |
Purpose |
Location |
|
Power LED & keylock |
C1 |
Auxiliary keyboard connector |
CN5 |
|
Speaker |
C2 |
PC/104 connector |
CN6 |
|
Reset switch |
C3 |
PC/104 connector |
CN7 |
|
Green PC connector |
C4 |
IDE interface 2 |
CN8 |
|
Green PC connector |
C5 |
IDE interface 1 |
CN9 |
|
Turbo LED |
C6 |
Floppy drive interface |
CN10 |
|
Turbo switch |
C7 |
Parallel port |
CN11 |
|
CPU fan power |
C8 |
VGA feature connector |
CN12 |
|
Power connector |
CN1 |
Serial port 2 |
CN13 |
|
Serial port 1 |
CN2 |
IDE interface LED |
JP2 |
|
VGA port |
CN3 |
IDE interface LED |
JP3 |
|
PS/2 mouse port |
CN4 |
IR connector |
JP17 |
|
USER CONFIGURABLE SETTINGS |
|||
|
Function |
Label |
Position |
|
|
|
Flash BIOS write protect enabled |
JP11 |
Closed |
|
|
Flash BIOS write protect disabled |
JP11 |
Open |
|
CMOS memory normal operation |
JP15 |
Open |
|
|
|
CMOS memory clear |
JP15 |
Closed |
|
SIMM CONFIGURATION |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
None |
None |
None |
|
2MB |
(1) 256K 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) 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 |
|
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
7MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K 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 |
|
9MB |
(1) 2M x 36 |
(1) 256K x 36 |
None |
None |
|
10MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
11MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
None |
None |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
None |
None |
|
16MB |
(1) 4M x 36 |
None |
None |
None |
|
16MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
None |
None |
|
16MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
SIMM CONFIGURATION (CON'T) |
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|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
None |
None |
|
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
None |
None |
|
20MB |
(1) 2M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
24MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
32MB |
(1) 8M x 36 |
None |
None |
None |
|
32MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
|
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
None |
None |
|
36MB |
(1) 1M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
36MB |
(1) 1M x 36 |
(1) 8M x 36 |
None |
None |
|
40MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
None |
None |
|
40MB |
(1) 4M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
None |
None |
|
48MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
56MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
None |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
None |
None |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
80MB |
(1) 8M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
|
96MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
None |
|
128MB |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
(1) 8M x 36 |
|
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 |
JP12 |
|
128KB |
Open |
|
256KB |
Pins 1 & 2 closed |
|
512KB |
Pins 1 & 2, 3 & 4 closed |
|
VIDEO MEMORY CONFIGURATION |
||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(2) 256K x 16 |
None |
|
2MB |
(2) 256K x 16 |
(2) 256K x 16 |
|
CPU SPEED SELECTION |
||
|
Speed |
JP13 |
JP14 |
|
25MHz |
Open |
Pins 1 & 2 closed |
|
33MHz |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
40MHz |
Pins 3 & 4, 5 & 6 closed |
Pins 2 & 3 closed |
|
50iMHz |
Open |
Pins 1 & 2 closed |
|
50MHz |
Pins 1 & 2, 5 & 6 closed |
Pins 2 & 3 closed |
|
66iMHz |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
75iMHz |
Open |
Pins 1 & 2 closed |
|
100iMHz |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2 closed |
|
CPU TYPE SELECTION |
|
|
Type |
JP8 |
|
80486SX |
1 & 2, 19 & 20, 23 & 24, 25 & 26 |
|
SL80486SX |
1 & 4, 2 & 5, 7 & 10, 8 & 9, 14 & 17, 15 & 18, 19 & 20, 22 & 23, 26 & 27 |
|
80486DX |
1 & 2, 18 & 21, 19 & 20, 22 & 23, 25 & 26 |
|
CX486DX2 |
1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 & 21, 22 & 23, 25 & 26 |
|
SGS486DX2 |
1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 & 21, 22 & 23, 25 & 26 |
|
TI486DX2 |
1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 & 21, 22 & 23, 25 & 26 |
|
IBM486DX2 |
1 & 4, 2 & 3, 5 & 8, 7 & 10, 11 & 14, 18 & 21, 22 & 23, 25 & 26 |
|
80486DX2 |
1 & 2, 18 & 21, 19 & 20, 22 & 23, 25 & 26 |
|
AM486DX4 |
1 & 2, 3 & 6, 13 & 16, 18 & 21, 19 & 20, 22 & 23, 25 & 26 |
|
(SL)AM486DX4 |
1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 26 & 27 |
|
P24D |
1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 26 & 27 |
|
P24T |
1 & 4, 2 & 5, 7 & 10, 8 & 9, 14 & 17, 15 & 18, 19 & 20, 22 & 23, 26 & 27 |
|
CX 5X86 |
1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 25 & 26 |
|
IBM 5X86 |
1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 25 & 26 |
|
SGS 5X86 |
1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 25 & 26 |
|
CX MISC |
1 & 4, 2 & 5, 8 & 9, 10 & 11, 14 & 17, 18 & 21, 19 & 20, 23 & 24, 25 & 26 |
|
AM X5-133/150 |
1 & 4, 2 & 5, 8 & 9, 10 & 11, 13, & 16, 14 & 17, 18 & 21, 19 & 20, 22 & 23, 26 & 27 |
|
AM X5-160 |
1 & 2, 18 & 21, 19 & 20, 22 & 23, 25 & 26 |
|
AM DE2 |
1 & 2, 18 & 21, 19 & 20, 22 & 23, 25 & 26 |
|
Note: Pins designated should be in the closed position. |
|
|
CPU VOLTAGE SELECTION |
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|
Voltage |
JP1 |
JP7 |
|
3.3v |
Pins 1 & 3, 2 & 4 closed |
Pins 1 & 3 closed |
|
3.45v |
Pins 1 & 3, 2 & 4 closed |
Pins 4 & 6 closed |
|
3.6v |
Pins 1 & 3, 2 & 4 closed |
Pins 3 & 5 closed |
|
4v |
Pins 3 & 5, 4 & 6 closed |
Open |
|
5v |
Pins 1 & 3, 2 & 4 closed |
Pins 2 & 4 closed |
|
SERIAL PORT 1 INTERRUPT SELECTION |
||
|
Serial port 1 |
Serial port 2 |
JP18 |
|
IRQ3 |
IRQ4 |
Pins 1 & 2, 3 & 4 closed |
|
IRQ4 |
IRQ3 |
Pins 1 & 3, 2 & 4 closed |
|
IRQ11 |
IRQ10 |
Pins 5 & 7, 6 & 8 closed |
|
IRQ10 |
IRQ11 |
Pins 5 & 6, 7 & 8 closed |
|
IRQ4 |
IRQ10 |
Pins 1 & 3, 7 & 8 closed |
|
IRQ4 |
IRQ11 |
Pins 1 & 3, 6 & 8 closed |
|
IRQ3 |
IRQ10 |
Pins 1 & 2, 7 & 8 closed |
|
IRQ3 |
IRQ11 |
Pins 1 & 2, 5 & 7 closed |
|
IRQ11 |
IRQ3 |
Pins 2 & 4, 5 & 6 closed |
|
IRQ11 |
IRQ4 |
Pins 3 & 4, 5 & 6 closed |
|
IRQ10 |
IRQ3 |
Pins 2 & 4, 5 & 7 closed |
|
IRQ10 |
IRQ4 |
Pins 3 & 4, 5 & 7 closed |
|
ON BOARD VGA SELECTION |
|||
|
Setting |
JP4 |
JP5 |
JP6 |
|
Enabled |
Closed |
Closed |
Closed |
|
Disabled |
Open |
Open |
Open |
|
WATCHDOG TIMER SELECTION |
|
|
Setting |
JP16 |
|
Disabled |
Open |
|
Reset |
Pins 5 & 6 closed |
|
IRQ15 |
Pins 3 & 4 closed |
|
NMI |
Pins 1 & 2 closed |