COMPUTREND SYSTEMS, INC. ======================== PCI PENTIUM AL1 (586ALI) Processor Pentium Processor Speed 60/66MHz Chip Set ALI Max. Onboard DRAM 160MB Cache 256/512/1024KB BIOS AMI Dimensions 330mm x 220mm I/O Options 32-bit PCI slots (4), green PC connector NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------+-----------+-------------------+------------| | External | JB | Reset switch | JFP pins | | battery | | | 19 & 20 | |---------------+-----------+-------------------+------------| | Chassis fan | JFAN | Green PC | JG1 | | power | | connector | | | | | (monitor) | | |---------------+-----------+-------------------+------------| | Power LED & | JFP pins | Green PC LED | JG2 | | keylock | 1 - 5 | | | |---------------+-----------+-------------------+------------| | Speaker | JFP pins | Green PC | JG3 | | | 7 - 10 | connector | | |---------------+-----------+-------------------+------------| | Turbo LED | JFP pins | 32-bit PCI slots | PC1 - PC4 | | | 12 & 13 | | | |---------------+-----------+-------------------+------------| | Turbo switch | JFP pins | | | | | 15 - 17 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Power good signal detect from | JP1 | Pins 2 & 3 | | | board | | closed | |---+----------------------------------+--------+------------| | | Power good signal detect from | JP1 | Pins 1 & 2 | | | power supply | | closed | |---+----------------------------------+--------+------------| |>> | Flash BIOS voltage select 12v | JP2 | Pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Flash BIOS voltage select 5v | JP2 | Pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | ADS normal operation | JP5 | Pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | ADS delay | JP5 | Pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 2MB | (2) 256K x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 4MB | (2) 256K x 36 | (2) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 4MB | (2) 512K x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 6MB | (2) 256K x 36 | (2) 512K x 36 | NONE | |------------+---------------+---------------+---------------| | 8MB | (2) 512K x 36 | (2) 512K x 36 | NONE | |------------+---------------+---------------+---------------| | 10MB | (2) 1M x 36 | (2) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 12MB | (2) 512K x 36 | (2) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 14MB | (2) 256K x 36 | (2) 512K x 36 | (2) 1M x 36 | |------------+---------------+---------------+---------------| | 16MB | (2) 1M x 36 | (2) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 16MB | (2) 2M x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 18MB | (2) 2M x 36 | (2) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 18MB | (2) 1M x 36 | (2) 1M x 36 | (2) 256K x 36 | |------------+---------------+---------------+---------------| | 20MB | (2) 1M x 36 | (2) 1M x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 20MB | (2) 2M x 36 | (2) 512K x 36 | NONE | |------------+---------------+---------------+---------------| | 22MB | (2) 2M x 36 | (2) 512K x 36 | (2) 256K x 36 | |------------+---------------+---------------+---------------| | 24MB | (2) 2M x 36 | (2) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 24MB | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x 36 | |------------+---------------+---------------+---------------| | 26MB | (2) 2M x 36 | (2) 1M x 36 | (2) 256K x 36 | |------------+---------------+---------------+---------------| | 28MB | (2) 2M x 36 | (2) 1M x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 32MB | (2) 4M x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 32MB | (2) 2M x 36 | (2) 2M x 36 | NONE | |------------+---------------+---------------+---------------| | 34MB | (2) 4M x 36 | (2) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 38MB | (2) 4M x 36 | (2) 256K x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 40MB | (2) 4M x 36 | (2) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 40MB | (2) 4M x 36 | (2) 512K x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 42MB | (2) 4M x 36 | (2) 1M x 36 | (2) 256K x 36 | |------------+---------------+---------------+---------------| | 44MB | (2) 4M x 36 | (2) 1M x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 48MB | (2) 4M x 36 | (2) 2M x 36 | NONE | |------------+---------------+---------------+---------------| | 48MB | (2) 4M x 36 | (2) 1M x 36 | (2) 1M x 36 | |------------+---------------+---------------+---------------| | 50MB | (2) 4M x 36 | (2) 2M x 36 | (2) 256K x 36 | |------------+---------------+---------------+---------------| | 52MB | (2) 4M x 36 | (2) 2M x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 56MB | (2) 4M x 36 | (2) 2M x 36 | (2) 1M x 36 | |------------+---------------+---------------+---------------| | 64MB | (2) 8M x 36 | NONE | NONE | |------------+---------------+---------------+---------------| | 64MB | (2) 4M x 36 | (2) 4M x 36 | NONE | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 66MB | (2) 8M x 36 | (2) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 66MB | (2) 4M x 36 | (2) 4M x 36 | (2) 256K x 36 | |------------+---------------+---------------+---------------| | 68MB | (2) 8M x 36 | (2) 512K x 36 | NONE | |------------+---------------+---------------+---------------| | 68MB | (2) 4M x 36 | (2) 4M x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 70MB | (2) 8M x 36 | (2) 256K x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 72MB | (2) 8M x 36 | (2) 512K x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 74MB | (2) 8M x 36 | (2) 1M x 36 | (2) 256K x 36 | |------------+---------------+---------------+---------------| | 76MB | (2) 8M x 36 | (2) 512K x 36 | (2) 1M x 36 | |------------+---------------+---------------+---------------| | 80MB | (2) 8M x 36 | (2) 2M x 36 | NONE | |------------+---------------+---------------+---------------| | 80MB | (2) 8M x 36 | (2) 1M x 36 | (2) 1M x 36 | |------------+---------------+---------------+---------------| | 82MB | (2) 8M x 36 | (2) 2M x 36 | (2) 256K x 36 | |------------+---------------+---------------+---------------| | 84MB | (2) 8M x 36 | (2) 2M x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 88MB | (2) 8M x 36 | (2) 2M x 36 | (2) 1M x 36 | |------------+---------------+---------------+---------------| | 96MB | (2) 8M x 36 | (2) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 96MB | (2) 4M x 36 | (2) 4M x 36 | (2) 4M x 36 | |------------+---------------+---------------+---------------| | 96MB | (2) 8M x 36 | (2) 2M x 36 | (2) 2M x 36 | |------------+---------------+---------------+---------------| | 98MB | (2) 8M x 36 | (2) 4M x 36 | (2) 256K x 36 | |------------+---------------+---------------+---------------| | 100MB | (2) 8M x 36 | (2) 4M x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 104MB | (2) 8M x 36 | (2) 4M x 36 | (2) 1M x 36 | |------------+---------------+---------------+---------------| | 112MB | (2) 8M x 36 | (2) 4M x 36 | (2) 2M x 36 | |------------+---------------+---------------+---------------| | 128MB | (2) 8M x 36 | (2) 4M x 36 | (2) 4M x 36 | |------------+---------------+---------------+---------------| | 128MB | (2) 8M x 36 | (2) 8M x 36 | NONE | |------------+---------------+---------------+---------------| | 130MB | (2) 8M x 36 | (2) 8M x 36 | (2) 256K x 36 | |------------+---------------+---------------+---------------| | 130MB | (2) 16M x 36 | (2) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 132MB | (2) 8M x 36 | (2) 8M x 36 | (2) 512K x 36 | |------------+---------------+---------------+---------------| | 136MB | (2) 8M x 36 | (2) 8M x 36 | (2) 1M x 36 | |------------+---------------+---------------+---------------| | 160MB | (2) 8M x 36 | (2) 8M x 36 | (2) 8M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | TAG | |------------------+--------------------+--------------------| | 256KB | (8) 32K x 8 | (1) 8K/16K/32K x 8 | |------------------+--------------------+--------------------| | 512KB | (8) 64K x 8 | (1) 16K/32K x 8 | |------------------+--------------------+--------------------| | 1MB | (8) 128K x 8 | (1) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JS1 | JS2 | |------------------+--------------------+--------------------| | 256KB | Pins 1 & 2 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 512KB | Pins 2 & 3 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 1MB | Pins 2 & 3 closed | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JS1 | JS2 | |------------------+--------------------+--------------------| | 256KB | Pins 1 & 2 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 512KB | Pins 2 & 3 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 1MB | Pins 2 & 3 closed | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JK1 | |------------------------------+-----------------------------| | 60MHz | Open | |------------------------------+-----------------------------| | 66MHz | Closed | +------------------------------------------------------------+