TMC RESEARCH CORPORATION ======================== PAT48PM Processor 80486SX/80487SX/80486DX/ODP486SX/80486DX2 Processor Speed 20/25/33/40(internal)/50/66(internal)MHz Chip Set OPTI Max. Onboard DRAM 32MB Cache 64/128/256KB BIOS AMI Dimensions 330mm x 218mm I/O Options None NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |--------------+-----------+--------------------+------------| | Speaker | J1 pins 1 | IDE LED in | J1 pins 10 | | | - 4 | | & 20 | |--------------+-----------+--------------------+------------| | Turbo switch | J1 pins 7 | Power LED & | J1 pins 11 | | | & 17 | keylock | - 15 | |--------------+-----------+--------------------+------------| | Turbo LED | J1 pins 8 | IDE LED out | J2 | | | & 18 | | | |--------------+-----------+--------------------+------------| | Reset switch | J1 pins 9 | External battery | J4 | | | & 19 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | CMOS memory normal operation | JP1 | pins 2 & 3 | | | (internal battery) | | closed | |---+----------------------------------+--------+------------| | | CMOS memory normal operation | JP1 | Open | | | (external battery at J4) | | | |---+----------------------------------+--------+------------| | | CMOS memory clear | JP1 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Bus speed select CLKIN/4 | JP2 | Open | |---+----------------------------------+--------+------------| | | Bus speed select CLKIN/6 | JP2 | Closed | |---+----------------------------------+--------+------------| |>> | Monitor type select color | JP3 | Closed | |---+----------------------------------+--------+------------| | | Monitor type select monochrome | JP3 | Open | |---+----------------------------------+--------+------------| |>> | CPU speed (CLKIN) select iOSC/1 | JP4 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | CPU speed (CLKIN) select iOSC/2 | JP4 | pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 1MB | (4) 256K x 9 | NONE | |------------------+--------------------+--------------------| | 2MB | (4) 256K x 9 | (4) 256K x 9 | |------------------+--------------------+--------------------| | 4MB | (4) 1M x 9 | NONE | |------------------+--------------------+--------------------| | 5MB | (4) 256K x 9 | (4) 1M x 9 | |------------------+--------------------+--------------------| | 8MB | (4) 1M x 9 | (4) 1M x 9 | |------------------+--------------------+--------------------| | 16MB | (4) 4M x 9 | NONE | |------------------+--------------------+--------------------| | 20MB | (4) 4M x 9 | (4) 1M x 9 | |------------------+--------------------+--------------------| | 32MB | (4) 4M x 9 | (4) 4M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | TAG | Resistor | | | | | (U41) | (U42) | Installed | |-------+---------+--------+---------+---------+-------------| | 64KB | (4) 8K | (4) 8K | (1) 8K | (1) 4K | RND | | | x 8 | x 8 | x 8 | x 1 | | |-------+---------+--------+---------+---------+-------------| | 64KB | (4) 8K | (4) 8K | (1) 8K | (1) 16K | RND | | | x 8 | x 8 | x 8 | x 1 | | |-------+---------+--------+---------+---------+-------------| | 64KB | (4) 8K | (4) 8K | (1) 8K | (1) 64K | RND | | | x 8 | x 8 | x 8 | x 1 | | |-------+---------+--------+---------+---------+-------------| | 128KB | (4) 32K | NONE | (1) 8K | (1) 16K | RNE | | | x 8 | | x 8 | x 1 | | |-------+---------+--------+---------+---------+-------------| | 128KB | (4) 32K | NONE | (1) 8K | (1) 64K | RNE | | | x 8 | | x 8 | x 1 | | |-------+---------+--------+---------+---------+-------------| | 256KB | (4) 32K | (4) | (1) 32K | (1) 16K | RNF | | | x 8 | 32K x | x 8 | x 1 | | | | | 8 | | | | |-------+---------+--------+---------+---------+-------------| | 256KB | (4) 32K | (4) | (1) 32K | (1) 64K | RNF | | | x 8 | 32K x | x 8 | x 1 | | | | | 8 | | | | |------------------------------------------------------------| | Notes: If DRAM is GBP 16MB, all cache sizes may be | | installed; if DRAM is >16MB, 128 or 256KB cache must be | | installed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | RNA | RNB | RNC | |-----------+----------------+---------------+---------------| | 80486SX | Not installed | Not installed | Installed | |-----------+----------------+---------------+---------------| | 80487SX | Not installed | Installed | Not installed | |-----------+----------------+---------------+---------------| | ODP486SX | Not installed | Installed | Not installed | |-----------+----------------+---------------+---------------| | 80486DX | Installed | Not installed | Not installed | |-----------+----------------+---------------+---------------| | 80486DX2 | Installed | Not installed | Not installed | +------------------------------------------------------------+