COMPUTREND SYSTEMS, INC. ======================== VLB S14 (SIS486) Processor 80486SX/SL80486SX/CX486DX/AM486DX/80486DX/SL80486DX/CX486DX2/ AM486DX2/80486DX2/SL80486DX2 Processor 25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set SIS Max. 128MB Onboard DRAM Cache 128/256KB BIOS AMI/Phoenix Dimensions 260mm x 221mm I/O Floppy drive interface, game interface, green PC connector, Options IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, riser slot NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+----------+------------------+-----------| | Game interface | CN1 | Power LED & | JFP pins | | | | keylock | 1 - 5 | |------------------+----------+------------------+-----------| | PS/2 mouse port | CN2 | Speaker | JFP pins | | | | | 7 - 10 | |------------------+----------+------------------+-----------| | Serial port 1 | CN3 | Turbo LED | JFP pins | | | | | 12 & 13 | |------------------+----------+------------------+-----------| | Serial port 2 | CN4 | Turbo switch | JFP pins | | | | | 15 - 17 | |------------------+----------+------------------+-----------| | Parallel port | CN5 | Reset switch | JFP pins | | | | | 19 & 20 | |------------------+----------+------------------+-----------| | VGA port | CN6 | IDE interface | JFPA | | | | LED | | |------------------+----------+------------------+-----------| | Floppy drive | CN7 | Green PC | JG1 | | interface | | connector | | | | | (monitor) | | |------------------+----------+------------------+-----------| | VGA feature | CN8 | Green PC LED | JG2 | | connector | | | | |------------------+----------+------------------+-----------| | IDE interface | CN9 | Green PC | JG3 | | | | connector | | |------------------+----------+------------------+-----------| | External battery | JB | Riser slot | SL1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |-------------------------------------+--------+-------------| | | Battery type select internal | JB | Pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| | | Battery type select external | JB | Closed | |---+---------------------------------+--------+-------------| | | Serial port 1 select COM1 | JCOM1 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Serial port 1 select COM3 | JCOM1 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| | | Serial port 2 select COM2 | JCOM2 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Serial port 2 select COM4 | JCOM2 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| | | Floppy drive interface enabled | JFDD | Pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Floppy drive interface disabled | JFDD | Pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| | | Game port enabled | JGAME | Pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Game port disabled | JGAME | Pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| | | IDE interface enabled | JHDD | Pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | IDE interface disabled | JHDD | Pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| | | Parallel port select LPT1 | JPP1 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Parallel port select LPT2 | JPP1 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| | | Parallel port select IRQ7 | JPP2 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | Parallel port select IRQ5 | JPP2 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+--------+-------------| | | On board VGA enabled | JVGA | Pins 1 & 2 | | | | | closed | |---+---------------------------------+--------+-------------| | | On board VGA disabled | JVGA | Pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 1MB | (1) 256K x | None | None | None | | | 36 | | | | |------+-------------+-------------+------------+------------| | 2MB | (1) 512K x | None | None | None | | | 36 | | | | |------+-------------+-------------+------------+------------| | 2MB | (1) 256K x | (1) 256K x | None | None | | | 36 | 36 | | | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 36 | None | None | None | |------+-------------+-------------+------------+------------| | 4MB | (1) 512K x | (1) 256K x | (1) 256K x | None | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 4MB | (1) 512K x | (1) 512K x | None | None | | | 36 | 36 | | | |------+-------------+-------------+------------+------------| | 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 | | | |------+-------------+-------------+------------+------------| | 5MB | (1) 256K x | (1) 512K x | (1) 512K x | None | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 5MB | (1) 256K x | (1) 1M x 36 | None | None | | | 36 | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 6MB | (1) 1M x 36 | (1) 512K x | None | None | | | | 36 | | | |------+-------------+-------------+------------+------------| | 8MB | (1) 2M x 36 | None | None | None | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 512K x | (1) 512K x | None | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None | |------+-------------+-------------+------------+------------| | 9MB | (1) 2M x 36 | (1) 256K x | None | None | | | | 36 | | | |------+-------------+-------------+------------+------------| | 9MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | None | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 9MB | (1) 256K x | (1) 2M x 36 | None | None | | | 36 | | | | |------+-------------+-------------+------------+------------| | 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 12MB | (1) 2M x 36 | (1) 512K x | (1) 512K x | None | | | | 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 | |------+-------------+-------------+------------+------------| | 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) 512K x | (1) 512K 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 | |------+-------------+-------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 4M x 36 | None | None | |------+-------------+-------------+------------+------------| | 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 | |------+-------------+-------------+------------+------------| | 35MB | (1) 8M x 36 | (1) 256K x | (1) 256K x | (1) 256K x | | | | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 36MB | (1) 8M x 36 | (1) 512K x | (1) 512K x | None | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 36MB | (1) 8M x 36 | (1) 1M x 36 | None | None | |------+-------------+-------------+------------+------------| | 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 | |------+-------------+-------------+------------+------------| | 40MB | (1) 2M x 36 | (1) 4M x 36 | (1) 4M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 40MB | (1) 2M x 36 | (1) 8M x 36 | None | None | |------+-------------+-------------+------------+------------| | 44MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M 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 | | |------+-------------+-------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 8M x 36 | None | None | |------+-------------+-------------+------------+------------| | 49MB | (1) 256K x | (1) 4M x 36 | (1) 4M x | (1) 4M x | | | 36 | | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 50MB | (1) 512K x | (1) 4M x | (1) 4M x | (1) 4M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 52MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 56MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 56MB | (1) 2M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 8M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 72MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 80MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 98MB | (1) 512K x | (1) 8M x | (1) 8M x | (1) 8M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |-----------+-------------+-------------+--------------------| | 128KB | (4) 32K x 8 | None | (1) 8K/16K/32K x 8 | |-----------+-------------+-------------+--------------------| | 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 16K/32K x 8 | |-----------+-------------+-------------+--------------------| | 256KB (B) | (4) 64K x 8 | None | (1) 16K/32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JS1 | JS2 | JS3 | |-----------+----------------+---------------+---------------| | 128KB | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | | | closed | closed | closed | |-----------+----------------+---------------+---------------| | 256KB (A) | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 | | | closed | closed | closed | |-----------+----------------+---------------+---------------| | 256KB (B) | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JC2 | JC3 | JC4 | JC5 | |---------------+-----------+----------+----------+----------| | Cyrix | 2 & 3, 5 | 2 & 3, 5 | 2 & 3, 5 | 2 & 3, 5 | | | & 6 | & 6 | & 6 | & 6 | |---------------+-----------+----------+----------+----------| | AMD | 6 & 7 | 6 & 7 | 6 & 7 | 6 & 7 | |---------------+-----------+----------+----------+----------| | Intel | 6 & 7 | 6 & 7 | 6 & 7 | 6 & 7 | |---------------+-----------+----------+----------+----------| | Intel | 1 & 2, 6 | 1 & 2, 6 | 1 & 2, 6 | 1 & 2, 6 | | SL-series | & 7 | & 7 | & 7 | & 7 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JC6 | JC7 | |------------------+--------------------+--------------------| | Cyrix | Pins 1 & 2 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | AMD | Pins 2 & 3 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | Intel | Pins 2 & 3 closed | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JC1 | |--------------------------+---------------------------------| | SX | Pins 2 & 3, 5 & 6, 7 & 8 closed | |--------------------------+---------------------------------| | DX | Pins 4 & 7, 2 & 5, 6 & 9 closed | |--------------------------+---------------------------------| | DX2 | Pins 1 & 4, 2 & 5, 6 & 9 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JK1 | JK2 | JK3 | JK4 | |----------+-------------------+---------+---------+---------| | 25MHz | Pins 2 & 3 closed | Closed | Closed | Closed | |----------+-------------------+---------+---------+---------| | 33MHz | Pins 1 & 2 closed | Closed | Open | Closed | |----------+-------------------+---------+---------+---------| | 40MHz | Pins 1 & 2 closed | Closed | Closed | Open | |----------+-------------------+---------+---------+---------| | 50iMHz | Pins 2 & 3 closed | Closed | Closed | Closed | |----------+-------------------+---------+---------+---------| | 50MHz | Pins 1 & 2 closed | Open | Closed | Closed | |----------+-------------------+---------+---------+---------| | 66iMHz | Pins 1 & 2 closed | Closed | Open | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | JP24 | |----------------------------+-------------------------------| | 3.3v | Pins 7 & 8, 9 & 10 closed | |----------------------------+-------------------------------| | 5v | Pins 1 & 2, 3 & 4 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VIDEO MEMORY CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 512KB | (1) 256K x 16 | None | None | |------------+---------------+---------------+---------------| | 1MB | (1) 256K x 16 | (1) 256K x 16 | None | |------------+---------------+---------------+---------------| | 2MB | (1) 256K x 16 | (1) 256K x 16 | (2) 256K x 16 | +------------------------------------------------------------+