DIAMOND FLOWER, INC. ==================== 486-25/33UNB AIO, 486DX2-50UNB AIO Processor 80486SX/80486DX/ODP486SX/80486DX2 Processor Speed 20/25/33/50(internal)MHz Chip Set UMC Max. Onboard DRAM 16MB Cache None BIOS AMI Dimensions 330mm x 218mm I/O Options Bus mouse port, floppy drive interface, IDE interface, parallel port, serial port (2), VGA port NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | IDE interface | CN1 | Turbo switch | J3 & J8 | |-------------------+----------+------------------+----------| | Floppy drive | CN2 | Reset switch | J4 & J9 | | interface | | | | |-------------------+----------+------------------+----------| | VGA feature | CN3 | IDE interface | J5 | | connector | | LED | | |-------------------+----------+------------------+----------| | VGA port | CN4 | Power LED & | J6 | | | | keylock | | |-------------------+----------+------------------+----------| | Parallel port | CN5 | Speaker | J7 | |-------------------+----------+------------------+----------| | Bus mouse port | CN6 | External battery | J10 | |-------------------+----------+------------------+----------| | Serial port 1 | CN7 | Serial port 2 | JP31 | |-------------------+----------+------------------+----------| | Alternate | J1 | Riser card | S1 | | keyboard | | | | | connector | | | | |-------------------+----------+------------------+----------| | Turbo LED | J2 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |----------------------------+--------+----------------------| |>> | Battery select | J11 | Pins 2 & 3 closed | | | internal | | | |---+------------------------+--------+----------------------| | | Battery select | J11 | Pins 1 & 2 closed | | | external | | | |---+------------------------+--------+----------------------| |>> | Speaker select | JP1 | Closed | | | internal | | | |---+------------------------+--------+----------------------| | | Speaker select | JP1 | Open | | | external | | | |---+------------------------+--------+----------------------| |>> | Onboard VGA local bus | JP2 | Pins 2 & 3 closed | | | enabled | | | | | | JP3 | Closed | |---+------------------------+--------+----------------------| |>> | Onboard VGA local bus | JP2 | Pins 1 & 2 closed | | | disabled | | | | | | JP3 | Open | |---+------------------------+--------+----------------------| |>> | Factory configured - | JP4 | Closed | | | do not alter | | | |---+------------------------+--------+----------------------| |>> | Factory configured - | JP5 | Pins 1 & 2 and 3 & 4 | | | do not alter | | closed | |---+------------------------+--------+----------------------| |>> | Factory configured - | JP6 | Open | | | do not alter | | | |---+------------------------+--------+----------------------| |>> | Factory configured - | JP7 | Open | | | do not alter | | | |---+------------------------+--------+----------------------| |>> | BIOS type select | JP8 | Pins 2 & 3 closed | | | 27C256 (32KB) | | | |---+------------------------+--------+----------------------| | | BIOS type select | JP8 | Pins 1 & 2 closed | | | 27C512 (64KB) | | | |---+------------------------+--------+----------------------| |>> | Factory configured - | JP10 | Open | | | do not alter | | | |---+------------------------+--------+----------------------| |>> | Monitor type select | JP11 | Closed | | | color | | | |---+------------------------+--------+----------------------| | | Monitor type select | JP11 | Open | | | monochrome | | | |---+------------------------+--------+----------------------| |>> | VGA port (CN4) | JP12 | Open | | | interrupt select IRQ2 | | | |---+------------------------+--------+----------------------| | | VGA port (CN4) | JP12 | Closed | | | interrupt select none | | | |---+------------------------+--------+----------------------| |>> | Factory configured - | JP13 | Open | | | do not alter | | | |---+------------------------+--------+----------------------| |>> | Factory configured - | JP14 | Closed | | | do not alter | | | |---+------------------------+--------+----------------------| |>> | Floppy interface | JP20 | Pins 1 & 2 closed | | | enabled | | | |---+------------------------+--------+----------------------| | | Floppy interface | JP20 | Pins 2 & 3 closed | | | disabled | | | |---+------------------------+--------+----------------------| |>> | Factory configured - | JP21 | Pins 1 & 2 closed | | | do not alter | | | |---+------------------------+--------+----------------------| |>> | IDE interface enabled | JP22 | Pins 1 & 2 closed | |---+------------------------+--------+----------------------| | | IDE interface disabled | JP22 | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | PARALLEL PORT 1 (CN5) CONFIGURATION | |------------------------------------------------------------| | LPT | I/O | Interrupt | JP9 | JP15 | JP16 | | | Address | | | | | |----------+-----------+-----------+--------+--------+-------| | LPT 1 | 3BC-3BEh | IRQ7 | Pins 1 | Pins 2 | Pins | | | | | & 2 | & 3 | 1 & 2 | |----------+-----------+-----------+--------+--------+-------| | LPT 2 | 378-37Ah | IRQ7 | Pins 1 | Pins 1 | Pins | | | | | & 2 | & 2 | 1 & 2 | |----------+-----------+-----------+--------+--------+-------| | LPT 3 | 278-27Ah | IRQ5 | Pins 2 | Pins 1 | Pins | | | | | & 3 | & 2 | 2 & 3 | |----------+-----------+-----------+--------+--------+-------| | Disabled | N/A | N/A | N/A | Pins 2 | Pins | | | | | | & 3 | 2 & 3 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORTS 1 & 2 CONFIGURATION | |------------------------------------------------------------| | Serial | Serial | JP17 | JP18 | JP19 | | Port 1 | Port 2 | | | | |----------+----------+----------------+----------+----------| | COM1 | COM2 | Pins 1 & 2 | Pins 1 & | Pins 1 & | | | | closed | 2 closed | 2 closed | |----------+----------+----------------+----------+----------| | COM2 | COM1 | Pins 1 & 2 | Pins 1 & | Pins 2 & | | | | closed | 2 closed | 3 closed | |----------+----------+----------------+----------+----------| | COM1 | Disabled | Pins 1 & 2 | Pins 2 & | Pins 1 & | | | | closed | 3 closed | 2 closed | |----------+----------+----------------+----------+----------| | Disabled | COM1 | Pins 2 & 3 | Pins 1 & | Pins 2 & | | | | closed | 2 closed | 3 closed | |----------+----------+----------------+----------+----------| | Disabled | COM2 | Pins 2 & 3 | Pins 1 & | Pins 1 & | | | | closed | 2 closed | 2 closed | |----------+----------+----------------+----------+----------| | COM2 | Disabled | Pins 1 & 2 | Pins 2 & | Pins 2 & | | | | closed | 3 closed | 3 closed | |----------+----------+----------------+----------+----------| | Disabled | Disabled | Pins 2 & 3 | Pins 2 & | Open | | | | closed | 3 closed | | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 1 (CN1) FORCED TRUE CONFIGURATION | |------------------------------------------------------------| | Mode | JP24 | JP25 | JP26 | |---------------+--------------+--------------+--------------| | Normal | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | | operation | closed | closed | closed | |---------------+--------------+--------------+--------------| | Forced true | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 2 (JP31) FORCED TRUE CONFIGURATION | |------------------------------------------------------------| | Mode | JP27 | JP28 | JP29 | |---------------+--------------+--------------+--------------| | Normal | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | | operation | closed | closed | closed | |---------------+--------------+--------------+--------------| | Forced true | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 1 (CN7) DTE/DCE CONFIGURATION | |------------------------------------------------------------| | Function | JP30 | |----------+-------------------------------------------------| |>> | DTE | Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, and 9 & 10 | | | | closed | |----+-----+-------------------------------------------------| | | DCE | Pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, and 9 & 10 | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 2 (JP31) DTE/DCE CONFIGURATION | |------------------------------------------------------------| | Function | JP23 | |----------+-------------------------------------------------| |>> | DTE | Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, and 9 & 10 | | | | closed | |----+-----+-------------------------------------------------| | | DCE | Pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, and 9 & 10 | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VRAM CONFIGURATION | |------------------------------------------------------------| | Size | VRAM | Location | |------------------+--------------------+--------------------| | 512KB | (4) 44256 | Bank 0 | |------------------+--------------------+--------------------| | 1024KB | (8) 44256 | Bank 0 & 1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM 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) 256K x | (1) 256K x | (1) 256K x | (1) 256K x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 5MB | (1) 256K x | (1) 1M x 36 | NONE | NONE | | | 36 | | | | |------+-------------+-------------+------------+------------| | 6MB | (1) 256K x | (1) 256K x | (1) 1M x | NONE | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 9MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | NONE | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | +------------------------------------------------------------+