CSS LABORATORIES, INC. ====================== PREFERRED 462 PCI/VL ESP, MB-4862 Processor 80486SX/80487SX/CX486M7/80486DX/80486DX2/80486DX4/ Pentium Overdrive Processor 8/16/25/33/40/50(internal)/50/66(internal)100(internal)MHz Speed Chip Set OPTI Max. 128MB Onboard DRAM Cache 64/128/256KB BIOS Award Dimensions 330mm x 218mm I/O 32-bit VESA local bus slots (2), 32-bit PCI slots (3) Options NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------+-----------+--------------------+-----------| | Power LED & | JP17 | Turbo switch | JP48 pins | | keylock | | | 3 & 4 | |---------------+-----------+--------------------+-----------| | IDE interface | JP45 | External battery | JP49 | | LED | | | | |---------------+-----------+--------------------+-----------| | Speaker | JP46 | 32-bit PCI slots | PC1 - PC3 | |---------------+-----------+--------------------+-----------| | Front panel | JP47 | 32-bit VESA local | SL1 & SL2 | | connector | | bus slots | | |---------------+-----------+--------------------+-----------| | Reset switch | JP48 pins | | | | | 1 & 2 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Factory configured - do not | J10 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP7 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Local bus type select | JP9 | pins 1 & 2 | | | synchronous | | closed | |---+----------------------------------+--------+------------| | | Local bus type select | JP9 | pins 2 & 3 | | | asynchronous | | closed | |---+----------------------------------+--------+------------| | | PCI bus type select synchronous | JP11 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | PCI bus type select asynchronous | JP11 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP12 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP13 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP19 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP20 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP23 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP26 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP27 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP40 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP90 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP1106 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP1108 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP1109 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP1111 | N/A | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 1MB | (1) 256K x | NONE | NONE | NONE | | | 36 | | | | |------+-------------+-------------+------------+------------| | 2MB | (1) 256K x | (1) 256K x | NONE | NONE | | | 36 | 36 | | | |------+-------------+-------------+------------+------------| | 2MB | (1) 512K x | NONE | NONE | NONE | | | 36 | | | | |------+-------------+-------------+------------+------------| | 3MB | (1) 256K x | (1) 256K x | (1) 256K x | NONE | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 4MB | (1) 512K x | (1) 512K x | NONE | NONE | | | 36 | 36 | | | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 6MB | (1) 512K x | (1) 512K x | (1) 512K x | NONE | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 8MB | (1) 2M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 16MB | (1) 4M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 32MB | (1) 8M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 64MB | (1) 16M x | NONE | NONE | NONE | | | 36 | | | | |-------+-------------+------------+------------+------------| | 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | NONE | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 128MB | (1) 16M x | (1) 16M x | NONE | NONE | | | 36 | 36 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |-------+-------------+-------------+------------------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 or (1) 32K | | | | | x 8 | |-------+-------------+-------------+------------------------| | 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 | |-------+-------------+-------------+------------------------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 | |------------------------------------------------------------| | Note: The orientation of Bank 0 & 1 is unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | jp24 | jp29 | JP32 | JP33 | |-------+--------+--------+-----------------+----------------| | 64KB | Open | Open | pins 2 & 3 | pins 2 & 3 | | | | | closed | closed | |-------+--------+--------+-----------------+----------------| | 128KB | Open | Closed | pins 1 & 2 | pins 1 & 2 | | | | | closed | closed | |-------+--------+--------+-----------------+----------------| | 256KB | Closed | Closed | pins 2 & 3 | pins 2 & 3 | | | | | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP17 | JP28 | JP34 | JP37 | JP38 | JP39 | |----------+--------+--------+-------+-------+-------+-------| | 80486SX | N/A | Open | Open | N/A | N/A | 1 & 2 | |----------+--------+--------+-------+-------+-------+-------| | 80487SX | N/A | Open | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | |----------+--------+--------+-------+-------+-------+-------| | CX486M7 | N/A | Closed | 2 & 3 | N/A | 2 & 3 | 2 & 3 | |----------+--------+--------+-------+-------+-------+-------| | 80486DX | Closed | Open | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | |----------+--------+--------+-------+-------+-------+-------| | 80486DX2 | Closed | Open | 2 & 3 | 2 & 3 | 1 & 2 | 1 & 2 | |----------+--------+--------+-------+-------+-------+-------| | 80486DX4 | Closed | Open | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | |----------+--------+--------+-------+-------+-------+-------| | P24T | N/A | Open | N/A | N/A | N/A | 2 & 3 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION (CON'T) | |------------------------------------------------------------| | Type | JP41 | JP43 | JP44 | JP1101 | JP1102 | |----------+--------+-------+--------------+--------+--------| | 80486SX | N/A | N/A | 2 & 3 | Closed | Closed | |----------+--------+-------+--------------+--------+--------| | 80487SX | N/A | N/A | 1 & 2, 3 & 4 | Closed | Closed | |----------+--------+-------+--------------+--------+--------| | CX486M7 | N/A | 2 & 4 | N/A | Open | Open | |----------+--------+-------+--------------+--------+--------| | 80486DX | Closed | N/A | 1 & 2, 3 & 4 | Closed | Closed | |----------+--------+-------+--------------+--------+--------| | 80486DX2 | Closed | N/A | 1 & 2, 3 & 4 | Closed | Closed | |----------+--------+-------+--------------+--------+--------| | 80486DX4 | Closed | N/A | 1 & 2, 3 & 4 | Open | Open | |----------+--------+-------+--------------+--------+--------| | P24T | N/A | N/A | N/A | Closed | Closed | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP35 | |--------------------------+---------------------------------| | 8MHz | Open | |--------------------------+---------------------------------| | 16MHz | pins 3 & 4 closed | |--------------------------+---------------------------------| | 25MHz | pins 1 & 2 closed | |--------------------------+---------------------------------| | 33MHz | pins 1 & 2, 5 & 6 closed | |--------------------------+---------------------------------| | 40MHz | pins 1 & 2, 3 & 4 closed | |--------------------------+---------------------------------| | 50iMHz | pins 1 & 2 closed | |--------------------------+---------------------------------| | 50MHz | pins 1 & 2, 3 & 4, 5 & 6 closed | |--------------------------+---------------------------------| | 66iMHz | pins 1 & 2, 5 & 6 closed | |--------------------------+---------------------------------| | 100iMHz | pins 1 & 2, 5 & 6 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION (CYRIX ONLY) | |------------------------------------------------------------| | Setting | JP1110 | |-------------------------------+----------------------------| | Internal clock doubled | Closed | |-------------------------------+----------------------------| | Internal clock standard | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | VL BUS WAIT STATE CONFIGURATION | |------------------------------------------------------------| | Wait states | JP21 | |-------------------------------+----------------------------| | 0 wait states | Open | |-------------------------------+----------------------------| | 1 wait state | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VL BUS SPEED CONFIGURATION | |------------------------------------------------------------| | CPU speed | JP22 | JP31 | |------------------+--------------------+--------------------| | <= 33MHz | Open | pins 1 & 2 closed | |------------------+--------------------+--------------------| | > 33MHz | pins 1 & 2 closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLASH BIOS CONFIGURATION | |------------------------------------------------------------| | Setting | JP16 | JP1107 | |------------------+--------------------+--------------------| |>> | Disabled | pins 2 & 3 closed | pins 1 & 2 closed | |---+--------------+--------------------+--------------------| |>> | Enabled | pins 1 & 2 closed | pins 2 & 3 closed | +------------------------------------------------------------+