ICL === VALUEPLUS MD-SERIES Processor 80486SX/80487SX/80486DX/80486DX2 Processor 25/33/50(internal)/66(internal)MHz Speed Chip Set VIA Max. Onboard 64MB DRAM Cache 64/128/256KB BIOS AMI/Award Dimensions 330mm x 218mm I/O Options Parallel port, serial port, VGA port, PS/2 mouse port, VGA feature connector, 32-bit VESA local bus slots (2), floppy drive interface, IDE interface NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |----------------+----------+---------------------+----------| | Serial port 1 | CN1 | PS/2 mouse port | CN9 | |----------------+----------+---------------------+----------| | Floppy drive | CN2 | Chassis fan power | J1 | | interface | | | | |----------------+----------+---------------------+----------| | IDE interface | CN3 | Turbo LED | J2 | |----------------+----------+---------------------+----------| | Parallel port | CN4 | IDE interface LED | J3 | |----------------+----------+---------------------+----------| | VGA feature | CN5 | Power LED & keylock | J4 | | connector | | | | |----------------+----------+---------------------+----------| | PS/2 mouse | CN6 | Reset switch | J5 | | connector | | | | |----------------+----------+---------------------+----------| | VGA port | CN8 | 32-bit VESA local | SL1 & | | | | bus slots | SL2 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | VGA IRQ9 disabled | J9 | Open | |---+----------------------------------+--------+------------| | | VGA IRQ9 enabled | J9 | Closed | |---+----------------------------------+--------+------------| |>> | On board VGA enabled | J10 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | On board VGA disabled | J10 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | J11 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JC7 | pins 2 & 3 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JK1 | pins 1 & 2 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JK2 | pins 1 & 2 | | | alter | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | JP1 | pins 1 & 2 | | | alter | | closed | |------------------------------------------------------------| | Note: The location of J9 is unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | | | |------+-------------+-------------+------------+------------| | 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) 1M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 5MB | (1) 1M x 36 | (1) 256K x | NONE | NONE | | | | 36 | | | |------+-------------+-------------+------------+------------| | 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | NONE | | | | 36 | 36 | | |------+-------------+-------------+------------+------------| | 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x | | | | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | 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) 4M x 36 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 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 | | |------+-------------+-------------+------------+------------| | 19MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | (1) 256K x | | | | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 20MB | (1) 4M x 36 | (1) 1M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 21MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 22MB | (1) 4M x 36 | (1) 1M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE | |------+-------------+-------------+------------+------------| | 33MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 34MB | (1) 4M x 36 | (1) 4M x 36 | (1) 256K x | (1) 256K x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 36MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | NONE | | | | | 36 | | |------+-------------+-------------+------------+------------| | 40MB | (1) 4M x 36 | (1) 4M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |------------+---------------+---------------+---------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | (2) 8K x 8 | |------------+---------------+---------------+---------------| | 128KB | (4) 32K x 8 | NONE | (2) 8K x 8 | |------------+---------------+---------------+---------------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | (2) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JS1 | JS2 | JS3 | |-------+-----------------+-----------------+----------------| | 64KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | |-------+-----------------+-----------------+----------------| | 128KB | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | |-------+-----------------+-----------------+----------------| | 256KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JC1 | JC2 | JC3 | JK5 | |-------------+-----------+-----------+-----------+----------| | 80486SX-25 | pins 2 & | pins 2 & | pins 2 & | pins 3 & | | | 3 closed | 3 closed | 3 closed | 4 closed | |-------------+-----------+-----------+-----------+----------| | 80487SX-25 | pins 1 & | pins 1 & | pins 2 & | pins 3 & | | | 2 closed | 2 closed | 3 closed | 4 closed | |-------------+-----------+-----------+-----------+----------| | 80486DX-25 | pins 1 & | pins 1 & | pins 1 & | pins 3 & | | | 2 closed | 2 closed | 2 closed | 4 closed | |-------------+-----------+-----------+-----------+----------| | 80486DX-33 | pins 1 & | pins 1 & | pins 1 & | pins 1 & | | | 2 closed | 2 closed | 2 closed | 2, 7 & 8 | | | | | | closed | |-------------+-----------+-----------+-----------+----------| | 80486DX2-50 | pins 1 & | pins 1 & | pins 1 & | pins 3 & | | | 2 closed | 2 closed | 2 closed | 4 closed | |-------------+-----------+-----------+-----------+----------| | 80486DX2-66 | pins 1 & | pins 1 & | pins 1 & | pins 1 & | | | 2 closed | 2 closed | 2 closed | 2, 7 & 8 | | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 1MB | (1) 256K x 16 | NONE | |------------------+--------------------+--------------------| | 2MB | (1) 256K x 16 | (1) 256K x 16 | +------------------------------------------------------------+