AAEON TECHNOLOGY, INC. ====================== SBC-490 Device Mainboard Type 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 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz Speed Chip Set ALI 1489 Video Chip Trident Set Maximum 128MB (EDO supported) Onboard Memory Maximum 2MB Video Memory Cache 128/256/512KB BIOS Award Dimensions 338mm x 122mm I/O Floppy drive interface, green PC connector, IDE interfaces (2), Options 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 & | C1 | Auxiliary keyboard | CN5 | | keylock | | connector | | |-----------------+----------+--------------------+----------| | Speaker | C2 | PC/104 connector | CN6 | |-----------------+----------+--------------------+----------| | Reset switch | C3 | PC/104 connector | CN7 | |-----------------+----------+--------------------+----------| | Green PC | C4 | IDE interface 2 | CN8 | | connector | | | | |-----------------+----------+--------------------+----------| | Green PC | C5 | IDE interface 1 | CN9 | | connector | | | | |-----------------+----------+--------------------+----------| | Turbo LED | C6 | Floppy drive | CN10 | | | | interface | | |-----------------+----------+--------------------+----------| | Turbo switch | C7 | Parallel port | CN11 | |-----------------+----------+--------------------+----------| | CPU fan power | C8 | VGA feature | CN12 | | | | connector | | |-----------------+----------+--------------------+----------| | 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 | None | None | None | | | 36 | | | | |------+-------------+-------------+------------+------------| | 2MB | (1) 256K x | (1) 256K x | None | None | | | 36 | 36 | | | |------+-------------+-------------+------------+------------| | 3MB | (1) 256K x | (1) 256K x | (1) 256K x | None | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 36 | None | None | None | |------+-------------+-------------+------------+------------| | 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 5MB | (1) 1M x 36 | (1) 256K x | None | None | | | | 36 | | | |------+-------------+-------------+------------+------------| | 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | None | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x | | | | 36 | 36 | 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 | None | None | | | | 36 | | | |------+-------------+-------------+------------+------------| | 10MB | (1) 2M x 36 | (1) 256K x | (1) 256K x | None | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 11MB | (1) 2M x 36 | (1) 256K x | (1) 256K x | (1) 256K x | | | | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 12MB | (1) 2M x 36 | (1) 1M x 36 | None | None | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 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 | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SIMM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+--------------+------------+----------| | 17MB | (1) 4M x 36 | (1) 256K x | None | None | | | | 36 | | | |-------+-------------+--------------+------------+----------| | 18MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | None | | | | 36 | 36 | | |-------+-------------+--------------+------------+----------| | 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None | |-------+-------------+--------------+------------+----------| | 20MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |-------+-------------+--------------+------------+----------| | 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | None | | | | | 36 | | |-------+-------------+--------------+------------+----------| | 32MB | (1) 8M x 36 | None | None | None | |-------+-------------+--------------+------------+----------| | 32MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | None | | | | | 36 | | |-------+-------------+--------------+------------+----------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None | |-------+-------------+--------------+------------+----------| | 34MB | (1) 8M x 36 | (1) 512K x | None | None | | | | 36 | | | |-------+-------------+--------------+------------+----------| | 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | None | | | | | 36 | | |-------+-------------+--------------+------------+----------| | 36MB | (1) 1M x 36 | (1) 8M x 36 | None | None | |-------+-------------+--------------+------------+----------| | 40MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |-------+-------------+--------------+------------+----------| | 40MB | (1) 8M x 36 | (1) 2M x 36 | None | None | |-------+-------------+--------------+------------+----------| | 40MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x | | | | | 36 | 36 | |-------+-------------+--------------+------------+----------| | 48MB | (1) 8M x 36 | (1) 4M x 36 | None | None | |-------+-------------+--------------+------------+----------| | 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | None | | | | | 36 | | |-------+-------------+--------------+------------+----------| | 56MB | (1) 8M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x | | | | | 36 | 36 | |-------+-------------+--------------+------------+----------| | 64MB | (1) 8M x 36 | (1) 4M x 36 | (1) 4M x | None | | | | | 36 | | |-------+-------------+--------------+------------+----------| | 64MB | (1) 8M x 36 | (1) 8M x 36 | None | None | |-------+-------------+--------------+------------+----------| | 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |-------+-------------+--------------+------------+----------| | 80MB | (1) 8M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |-------+-------------+--------------+------------+----------| | 96MB | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x | None | | | | | 36 | | |-------+-------------+--------------+------------+----------| | 128MB | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x | (1) 8M x | | | | | 36 | 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 | 1 & 4, 2 & 5, 8 & 9, 10 & 11, 13, & 16, 14 | | X5-133/150 | & 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 | +------------------------------------------------------------+