CSS LABORATORIES, INC. ====================== MAXSYS 462, 4/100 VL Processor 80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive Processor 25/33/50(internal)/50/66(internal)MHz Speed Chip Set OPTI Max. Onboard 256MB DRAM Cache 64/128/256/512KB BIOS Unidentified Dimensions 355mm x 305mm I/O Options 32-bit VESA local bus slot, CPU slot, floppy drive interface, IDE interface, parallel port, auxiliary parallel port, serial ports (2), auxiliary serial ports (2), auxiliary keyboard connectors (2) NPU Options 4167 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | Speaker | J4 | Parallel port | PJ2 | |-------------------+----------+------------------+----------| | Power LED & | J5 | Serial port 1 | PJ3 | | keylock | | | | |-------------------+----------+------------------+----------| | Front panel | J39 | Serial port 2 | PJ4 | | connector | | | | |-------------------+----------+------------------+----------| | External IDE | J40 | IDE interface | PJ5 | | interface LED | | | | |-------------------+----------+------------------+----------| | Reset switch | J41 pins | Auxiliary | PJ2A | | | 1 & 2 | parallel port | | |-------------------+----------+------------------+----------| | Turbo switch | J41 pins | Auxiliary serial | PJ3A | | | 3 & 4 | port 1 | | |-------------------+----------+------------------+----------| | Auxiliary | J11B | Auxiliary serial | PJ4A | | keyboard | | port 2 | | | connector | | | | |-------------------+----------+------------------+----------| | Auxiliary | J11A | CPU slot | SL1 | | keyboard | | | | | connector | | | | |-------------------+----------+------------------+----------| | IDE interface LED | LED | 32-bit VESA | SL2 | | | | local bus slot | | |-------------------+----------+------------------+----------| | Floppy drive | PJ1 | | | | interface | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| | | Floppy drive interface enabled | FDD | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | Floppy drive interface disabled | FDD | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | IDE interface enabled | IDE | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | IDE interface disabled | IDE | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| |>> | CPU type select synchronous | JP1 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | CPU type select asynchronous | JP1 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | Monitor type select color | JP9 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | Monitor type select monochrome | JP9 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP20 | Open | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |--------+------------+------------+------------+------------| | 4MB | (4) 1M x 9 | NONE | NONE | NONE | |--------+------------+------------+------------+------------| | 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE | |--------+------------+------------+------------+------------| | 12MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | NONE | |--------+------------+------------+------------+------------| | 16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | |--------+------------+------------+------------+------------| | 16MB | (4) 4M x 9 | NONE | NONE | NONE | |--------+------------+------------+------------+------------| | 20MB | (4) 1M x 9 | (4) 4M x 9 | NONE | NONE | |--------+------------+------------+------------+------------| | 24MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | NONE | |--------+------------+------------+------------+------------| | 24MB | (4) 1M x 9 | (4) 4M x 9 | (4) 1M x 9 | NONE | |--------+------------+------------+------------+------------| | 28MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | (4) 1M x 9 | |--------+------------+------------+------------+------------| | 28MB | (4) 1M x 9 | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 | |--------+------------+------------+------------+------------| | 32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE | |--------+------------+------------+------------+------------| | 36MB | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 | NONE | |--------+------------+------------+------------+------------| | 36MB | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | NONE | |--------+------------+------------+------------+------------| | 40MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 | |--------+------------+------------+------------+------------| | 40MB | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | |--------+------------+------------+------------+------------| | 40MB | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | (4) 1M x 9 | |--------+------------+------------+------------+------------| | 48MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | NONE | |--------+------------+------------+------------+------------| | 52MB | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | |------------------------------------------------------------| | Note: Banks 2 & 3 are located on the CPU card. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 52MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 1M x 9 | |-------+-------------+------------+------------+------------| | 64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | |-------+-------------+------------+------------+------------| | 64MB | (4) 16M x 9 | NONE | NONE | NONE | |-------+-------------+------------+------------+------------| | 128MB | (4) 16M x 9 | (4) 16M x | NONE | NONE | | | | 9 | | | |-------+-------------+------------+------------+------------| | 192MB | (4) 16M x 9 | (4) 16M x | (4) 16M x | NONE | | | | 9 | 9 | | |-------+-------------+------------+------------+------------| | 256MB | (4) 16M x 9 | (4) 16M x | (4) 16M x | (4) 16M x | | | | 9 | 9 | 9 | |------------------------------------------------------------| | Note: Banks 2 & 3 are located on the CPU card. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP6 | JP7 | |--------------------+-------------------+-------------------| | 25MHz | Open | Open | |--------------------+-------------------+-------------------| | 33MHz | Open | Closed | |--------------------+-------------------+-------------------| | 50iMHz | Open | Open | |--------------------+-------------------+-------------------| | 50MHz | Closed | Closed | |--------------------+-------------------+-------------------| | 66iMHz | Open | Closed | |------------------------------------------------------------| | Note: See also JP1 in User Configurable Settings. | +------------------------------------------------------------+ +------------------------------------------------------------+ | PARALLEL PORT CONFIGURATION | |------------------------------------------------------------| | LPT | IRQ | I/O address | PRT | P0 | P1 | |--------+--------+--------------+---------+---------+-------| | N/A | N/A | Disabled | N/A | 1 & 2 | 1 & 2 | |--------+--------+--------------+---------+---------+-------| | LPT1 | IRQ7 | 3BCh | 2 & 3 | 2 & 3 | 1 & 2 | |--------+--------+--------------+---------+---------+-------| | LPT2 | IRQ5 | 278h | 1 & 2 | 2 & 3 | 2 & 3 | |--------+--------+--------------+---------+---------+-------| | LPT3 | IRQ7 | 378h | 2 & 3 | 1 & 2 | 2 & 3 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 1 CONFIGURATION | |------------------------------------------------------------| | COM | IRQ | I/O address | PJ6 | S0 | S1 | |---------+--------+--------------+---------+--------+-------| | N/A | N/A | Disabled | N/A | 1 & 2 | 1 & 2 | |---------+--------+--------------+---------+--------+-------| | COM 1 | IRQ4 | 3F8h | 1 & 2 | 2 & 3 | 2 & 3 | |---------+--------+--------------+---------+--------+-------| | COM 2 | IRQ3 | 2F8h | 1 & 3 | 1 & 2 | 2 & 3 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 2 CONFIGURATION | |------------------------------------------------------------| | COM | IRQ | I/O address | PJ6 | S2 | S3 | |---------+--------+--------------+---------+--------+-------| | N/A | N/A | Disabled | N/A | 1 & 2 | 1 & 2 | |---------+--------+--------------+---------+--------+-------| | COM 1 | IRQ4 | 3F8h | 2 & 4 | 1 & 2 | 2 & 3 | |---------+--------+--------------+---------+--------+-------| | COM 2 | IRQ3 | 2F8h | 3 & 4 | 2 & 3 | 2 & 3 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |---------------------------------------+---------+----------| |>> | Factory configured - do not alter | JP8 | N/A | |---+-----------------------------------+---------+----------| |>> | Factory configured - do not alter | JP77 | N/A | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | |------------------+--------------------+--------------------| | 128KB | (4) 32K x 8 | NONE | |------------------+--------------------+--------------------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | |------------------+--------------------+--------------------| | 512KB | (4) 128K x 8 | NONE | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE TAG CONFIGURATION | |------------------------------------------------------------| | Size | TAG (U54) | TAG (U55) | TAG (U56) | TAG (U72) | |-------+-----------+-------------+------------+-------------| | 64KB | NONE | (1) 8K x 8 | NONE | (1) 16K/64K | | | | | | x 1 | |-------+-----------+-------------+------------+-------------| | 128KB | NONE | (1) 8K x 8 | NONE | (1) 16K/64K | | | | | | x 1 | |-------+-----------+-------------+------------+-------------| | 256KB | NONE | (1) 8K x 8 | (1) 8K x 8 | (1) 16K/64K | | | | | | x 8 | |-------+-----------+-------------+------------+-------------| | 512KB | NONE | (1) 32K x 8 | NONE | (1) 64K x 1 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP2 | JP3 | JP4 | JP5 | JP16 | JP17 | JP18 | |-------+-------+-------+-------+-------+------+------+------| | 64KB | 2 & 3 | Open | Open | Open | Open | Open | Open | |-------+-------+-------+-------+-------+------+------+------| | 128KB | 1 & 2 |Closed | Open | Open |Closed| Open | Open | |-------+-------+-------+-------+-------+------+------+------| | 256KB | 2 & 3 |Closed |Closed | Open |Closed|Closed| Open | |-------+-------+-------+-------+-------+------+------+------| | 512KB | 1 & 2 |Closed |Closed |Closed |Closed|Closed|Closed| |------------------------------------------------------------| |Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP10 | JP11 | |-------------------+--------------------+-------------------| | 80486SX | pins 2 & 3 closed | Open | |-------------------+--------------------+-------------------| | 80487SX | pins 1 & 2, 3 & 4 | pins 1 & 2 closed | | | closed | | |-------------------+--------------------+-------------------| | 80486DX | pins 1 & 2, 3 & 4 | pins 2 & 3 closed | | | closed | | |-------------------+--------------------+-------------------| | 80486DX2 | pins 1 & 2, 3 & 4 | pins 2 & 3 closed | | | closed | | |-------------------+--------------------+-------------------| | Pentium Overdrive | pins 1 & 2, 3 & 4 | pins 1 & 2 closed | | | closed | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP12 | |----------------------------+-------------------------------| | 25MHz | pins 2 & 3 closed | |----------------------------+-------------------------------| | 33MHz | pins 2 & 3 closed | |----------------------------+-------------------------------| | 50iMHz | pins 2 & 3 closed | |----------------------------+-------------------------------| | 50MHz | pins 1 & 2 closed | |----------------------------+-------------------------------| | 66iMHz | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | BASE MEMORY CONFIGURATION | |------------------------------------------------------------| | Size | JP20 | JP21 | |------------------+--------------------+--------------------| | 384KB | pins 2 & 3 closed | Open | |------------------+--------------------+--------------------| | 512KB | pins 2 & 3 closed | Closed | |------------------+--------------------+--------------------| | 640KB | pins 1 & 2 closed | Any setting | +------------------------------------------------------------+