DATAEXPERT CORPORATION ====================== EXP8C49 Device Mainboard Type Processor CX486DX2/CX486DX4/CX 5X86 Processor 40/50(internal)/66(internal)/75(internal)100(internal)MHz Speed Chip Set ALI Video Chip None Set Maximum 64MB Onboard Memory Maximum None Video Memory Cache 128/256/512KB BIOS AMI Dimensions 220mm x 220mm I/O 32-bit PCI slots (3), floppy drive interface, green PC Options connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2) +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Serial port 2 | CN1 | IDE interface | J2 | | | | LED | | |-------------------+----------+------------------+----------| | Serial port 1 | CN2 | Reset switch | J3 | |-------------------+----------+------------------+----------| | Floppy drive | CN3 | Turbo switch | J4 | | interface | | | | |-------------------+----------+------------------+----------| | Parallel port | CN4 | Turbo LED | J5 | |-------------------+----------+------------------+----------| | IDE interface 1 | CN5 | Power LED & | J6 | | | | keylock | | |-------------------+----------+------------------+----------| | IDE interface 2 | CN6 | Speaker | J7 | |-------------------+----------+------------------+----------| | PS/2 mouse port | CN7 | Green PC | JP15 | | | | connector | | |-------------------+----------+------------------+----------| | External battery | J1 | 32-bit PCI slots | PC1 - | | | | | PC3 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |-------------------------------------+-------+--------------| | | Battery type select external | J1 | Closed | |---+---------------------------------+-------+--------------| | | CMOS memory clear | J1 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+-------+--------------| |>> | Factory configured - do not | JP4 | Unidentified | | | alter | | | |---+---------------------------------+-------+--------------| | | Parallel port IRQ select IRQ7 | JP9 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+-------+--------------| | | Parallel port IRQ select IRQ5 | JP9 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+-------+--------------| |>> | Factory configured - do not | JP14 | Unidentified | | | alter | | | |---+---------------------------------+-------+--------------| |>> | Factory configured - do not | JP18 | Unidentified | | | alter | | | |---+---------------------------------+-------+--------------| | | Flash BIOS voltage select 12v | JP21 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+-------+--------------| | | Flash BIOS voltage select 5v | JP21 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+-------+--------------| |>> | Factory configured - do not | JP24 | Unidentified | | | alter | | | |---+---------------------------------+-------+--------------| |>> | Factory configured - do not | JP41 | Unidentified | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | SIMM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |--------+-------------+-------------+-------------+---------| | 4MB | (1) 1M x 36 | None | None | None | |--------+-------------+-------------+-------------+---------| | 8MB | (1) 2M x 36 | None | None | None | |--------+-------------+-------------+-------------+---------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None | |--------+-------------+-------------+-------------+---------| | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | SIMM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 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 | |------+-------------+-------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 24MB | (1) 4M x 36 | (1) 2M x 36 | None | None | |------+-------------+-------------+------------+------------| | 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 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 | |------+-------------+-------------+------------+------------| | 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 36MB | (1) 8M x 36 | (1) 1M 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) 2M x 36 | (1) 2M x | None | | | | | 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 | |------+-------------+-------------+------------+------------| | 56MB | (1) 2M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | TAG | |-----------+-----------+-----------+-----------+------------| | 128KB (A) | None | None | (4) 32K x | (1) 8K x 8 | | | | | 8 | | |-----------+-----------+-----------+-----------+------------| | 128KB (B) | (1) 32K x | None | None | (1) 8K x 8 | | | 32 | | | | |-----------+-----------+-----------+-----------+------------| | 256KB (A) | None | None | (4) 64K x | (1) | | | | | 8 | 16K/32K x | | | | | | 8 | |-----------+-----------+-----------+-----------+------------| | 256KB (B) | (1) 32K x | None | (4) 32K x | (1) | | | 32 | | 8 | 16K/32K x | | | | | | 8 | |-----------+-----------+-----------+-----------+------------| | 256KB (C) | (1) 32K x | (1) 32K x | None | (1) | | | 32 | 32 | | 16K/32K x | | | | | | 8 | |-----------+-----------+-----------+-----------+------------| | 512KB | None | None | (4) 128K | (1) 32K x | | | | | x 8 | 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP17 | JP20 | JP37 | JP42 | |-----------+--------+--------+-----------------+------------| | 128KB (A) | Open | Open | Pins 1 & 2 | Pins 1 & 2 | | | | | closed | closed | |-----------+--------+--------+-----------------+------------| | 128KB (B) | Open | Open | Pins 1 & 2 | Pins 1 & 2 | | | | | closed | closed | |-----------+--------+--------+-----------------+------------| | 256KB (A) | Open | Closed | Pins 1 & 2 | Pins 2 & 3 | | | | | closed | closed | |-----------+--------+--------+-----------------+------------| | 256KB (B) | Open | Closed | Pins 2 & 3 | Pins 2 & 3 | | | | | closed | closed | |-----------+--------+--------+-----------------+------------| | 256KB (C) | Open | Closed | Pins 2 & 3 | Pins 2 & 3 | | | | | closed | closed | |-----------+--------+--------+-----------------+------------| | 512KB | Closed | Closed | Pins 1 & 2 | Pins 2 & 3 | | | | | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION | |------------------------------------------------------------| | Speed | JP11 | JP12 | JP13 | JP16 | |----------+---------+---------+-------------------+---------| | 40MHz | Open | Closed | Pins 2 & 3 closed | Open | |----------+---------+---------+-------------------+---------| | 40MHz | Open | Closed | Pins 1 & 2 closed | Closed | |----------+---------+---------+-------------------+---------| | 50iMHz | Open | Open | Pins 2 & 3 closed | Open | |----------+---------+---------+-------------------+---------| | 66iMHz | Closed | Closed | Pins 2 & 3 closed | Open | |----------+---------+---------+-------------------+---------| | 75iMHz | Open | Open | Pins 2 & 3 closed | Open | |----------+---------+---------+-------------------+---------| | 100iMHz | Closed | Closed | Pins 2 & 3 closed | Open | |------------------------------------------------------------| | Note: Either setting may be used for 40MHz. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JP23 | JP32 | JP35 | |----------+----------------+----------------+---------------| | CX486DX2 | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 | | | closed | closed | closed | |----------+----------------+----------------+---------------| | CX486DX4 | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 | | | closed | closed | closed | |----------+----------------+----------------+---------------| | CX 5X86 | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 4 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE SELECTION | |------------------------------------------------------------| | Voltage | JP29 | |----------------------------+-------------------------------| | | 3.3v | Pins 1 & 2 closed | |---+------------------------+-------------------------------| |>> | 3.45v | Pins 3 & 4 closed | |---+------------------------+-------------------------------| | | 3.6v | Pins 5 & 6 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DMA CHANNEL SELECTION | |------------------------------------------------------------| | Channel | JP5 | JP6 | |------------------+--------------------+--------------------| | 1 | Pins 1 & 2 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 3 | Pins 2 & 3 closed | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | INTERNAL KEYBOARD SELECTION | |------------------------------------------------------------| | Setting | JP19 | JP39 | JP40 | |-------------------+-------------+-------------+------------| |>> | Enabled | Open | Closed | Closed | |---+---------------+-------------+-------------+------------| | | Disabled | Closed | Open | Open | +------------------------------------------------------------+