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 | |||
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 | ||||
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) | ||||
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 | ||
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 |