AAEON TECHNOLOGY, INC.
SBC-775
| Device Type | Mainboard |
| Processor | Pentium II |
| Processor Speed | 233/266/300/333MHz |
| Chip Set | Intel 440LX |
| Maximum Onboard Memory | 384MB (SDRAM supported) |
| Cache | 256/512KB (located on the Pentium II CPU) |
| BIOS | Award |
| Dimensions | 338mm x 122mm |
| I/O Options | Floppy drive interface, green PC connector, IDE interfaces (2), parallel interface, PS/2 mouse/keyboard port, keyboard interface, serial ports (2), IR connector, USB interface, ATX feature connector, DiskOnChip socket |
| Data Bus | 32-bit PCI/16-bit ISA |
CONNECTIONS |
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| Purpose | Location |
Purpose | Location |
| IR connector | CN1 | PS/2 mouse/keyboard port | CN12 |
| Power LED & keylock | CN2 | Floppy drive interface | CN13 |
| Speaker | CN3 | Reserved | CN14 |
| IDE interface LED | CN4 | Power switch | J1 |
| CPU fan power | CN5 | Reset switch | J2 |
| IDE interface 1 | CN6 | Green PC connector | J3 |
| IDE interface 2 | CN7 | ATX feature connector | J7 |
| Parallel interface | CN8 | Keyboard interface | J10 |
| Serial port 1 | CN9 | Reserved | RT1 |
| Serial port 2 | CN10 | DiskOnChip socket | U1 |
| USB interface | CN11 | ||
USER CONFIGURABLE SETTINGS |
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Function |
Label |
Position |
|
| » | CMOS memory normal operation | J6 | Pins 1 & 2 closed |
| CMOS memory clear | J6 | Pins 2 & 3 closed | |
» |
Watchdog timer output selection reset | J8 | Pins 2 & 3 closed |
| Watchdog timer output selection IRQ11 | J8 | Pins 1 & 2 closed | |
| » | CPU clock speed 66MHz | J11 | Pins 1 & 2 closed |
|
CPU clock speed 75MHz | J11 | Pins 2 & 3 closed |
DIMM CONFIGURATION |
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Size |
Bank 0 |
Bank 1 |
Bank 2 |
8MB |
(1) 1M x 64 |
None |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
None |
16MB |
(1) 2M x 64 |
None |
None |
24MB |
(1) 1M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
None |
32MB |
(1) 4M x 64 |
None |
None |
32MB |
(1) 2M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
48MB |
(1) 2M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
48MB |
(1) 4M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
None |
64MB |
(1) 8M x 64 |
None |
None |
64MB |
(1) 4M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
80MB |
(1) 8M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
96MB |
(1) 4M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
96MB |
(1) 8M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
None |
128MB |
(1) 16M x 64 |
None |
None |
128MB |
(1) 8M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
144MB |
(1) 16M x 64 |
(1) 1M x 64 |
(1) 1M x 64 |
160MB |
(1) 16M x 64 |
(1) 2M x 64 |
(1) 2M x 64 |
192MB |
(1) 8M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
192MB |
(1) 16M x 64 |
(1) 4M x 64 |
(1) 4M x 64 |
256MB |
(1) 16M x 64 |
(1) 16M x 64 |
None |
256MB |
(1) 16M x 64 |
(1) 8M x 64 |
(1) 8M x 64 |
384MB |
(1) 16M x 64 |
(1) 16M x 64 |
(1) 16M x 64 |
| Note: Board supports SDRAM memory. | |||
CACHE CONFIGURATION |
| Note: 256KB/512KB cache is located on the Pentium II CPU. |
CPU SPEED SELECTION |
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Speed |
J5/Pins 1 & 2 | J5/Pins 3 & 4 | J5/Pins 5 & 6 | J5/Pins 7 & 8 |
233MHz |
Closed | Closed | Closed | Open |
266MHz |
Open | Open | Open | Open |
300MHz |
Open | Open | Closed | Open |
333MHz |
Open | Closed | Open | Open |
DISKONCHIP ADDRESS SELECTION |
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Address |
J12/Pins 1 & 2 | J12/Pins 3 & 4 | J12/Pins 5 & 6 | |
C800 |
Closed | Closed | Closed | |
CC00 |
Closed | Closed | Open | |
D000 |
Closed | Open | Closed | |
D400 |
Closed | Open | Open | |
| D800 | Open | Closed | Closed | |
| DC00 | Open | Closed | Open | |
| E000 | Open | Open | Closed | |
| » | Disabled | Open | Open | Open |