ASUS COMPUTER INTERNATIONAL =========================== VL/I-486SV2G (REV. 1.0) VL/I-486SV2GX4 (REV. 1.0) Processor CX486S/80486SX/SL80486SX/486 Overdrive/SL486 Overdrive/ 80487SX/CX486DX/80486DX/SL80486DX/80486DX2/SL80486DX2/CX486DX2/80486DX4/P24T Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/ Speed 100(internal)MHz Chip Set SIS Video Chip None Set Maximum 64MB Onboard Memory Maximum None Video Memory Cache 128/256/512/1024KB BIOS Award Dimensions 254mm x 218mm I/O 32-bit VESA local bus slots (2), green PC connector Options NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+----------+-------------------+----------| | Power LED & | J1 | Green PC | JP2 | | keylock | | connector | | |------------------+----------+-------------------+----------| | Speaker | J2 | Green PC | JP3 | | | | connector | | |------------------+----------+-------------------+----------| | Reset switch | J3 | Green PC | JP4 | | | | connector | | |------------------+----------+-------------------+----------| | Turbo LED | J4 | Green PC | JP28 | | | | connector | | |------------------+----------+-------------------+----------| | Turbo switch | J5 | 32-bit VESA local | SL1 & | | | | bus slots | SL2 | |------------------+----------+-------------------+----------| | External battery | J6 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |-------------------------------------+-------+--------------| | | Battery type select internal | JP1 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+-------+--------------| | | Battery type select external | JP1 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+-------+--------------| |>> | IRQ12 enabled | JP7 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+-------+--------------| | | IRQ12 disabled | JP7 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+-------+--------------| |>> | Factory configured - do not | JP8 | Unidentified | | | alter | | | |---+---------------------------------+-------+--------------| | | Monitor type select | JP9 | Pins 1 & 2 | | | monochrome/VGA | | closed | |---+---------------------------------+-------+--------------| | | Monitor type select CGA | JP9 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+-------+--------------| | | Green PC enabled (JP28) | JP10 | Pins 2 & 3 | | | | | closed | |---+---------------------------------+-------+--------------| | | Green PC disabled (RC control) | JP10 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+-------+--------------| |>> | VESA clock delay enabled | JP24 | Pins 1 & 2 | | | | | closed | |---+---------------------------------+-------+--------------| | | VESA clock delay disabled | JP24 | Pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | | | | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 36 | None | None | None | |------+-------------+-------------+------------+------------| | 5MB | (1) 256K x | (1) 1M x 36 | None | None | | | 36 | | | | |------+-------------+-------------+------------+------------| | 6MB | (1) 256K x | (1) 256K x | (1) 1M x | None | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 6MB | (1) 512K x | None | (1) 1M x | None | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None | |------+-------------+-------------+------------+------------| | 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x | | | 36 | 36 | 36 | 36 | |------+-------------+-------------+------------+------------| | 10MB | (1) 256K x | (1) 256K x | (1) 2M x | None | | | 36 | 36 | 36 | | |------+-------------+-------------+------------+------------| | 10MB | (1) 512K x | None | (1) 1M x | (1) 1M x | | | 36 | | 36 | 36 | |------+-------------+-------------+------------+------------| | 10MB | (1) 512K x | None | (1) 2M x | None | | | 36 | | 36 | | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 12MB | (1) 2M x 36 | None | (1) 1M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x | None | | | | | 36 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 2M x 36 | None | (1) 2M x | None | | | | | 36 | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+--------------+--------------+-----------+----------| | 16MB | (1) 2M x 36 | None | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |-------+--------------+--------------+-----------+----------| | 16MB | (1) 4M x 36 | None | None | None | |-------+--------------+--------------+-----------+----------| | 17MB | (1) 256K x | (1) 4M x 36 | None | None | | | 36 | | | | |-------+--------------+--------------+-----------+----------| | 18MB | (1) 256K x | (1) 256K x | (1) 4M x | None | | | 36 | 36 | 36 | | |-------+--------------+--------------+-----------+----------| | 18MB | (1) 512K x | None | (1) 4M x | None | | | 36 | | 36 | | |-------+--------------+--------------+-----------+----------| | 20MB | (1) 1M x 36 | (1) 4M x 36 | None | None | |-------+--------------+--------------+-----------+----------| | 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | None | | | | | 36 | | |-------+--------------+--------------+-----------+----------| | 24MB | (1) 2M x 36 | None | (1) 4M x | None | | | | | 36 | | |-------+--------------+--------------+-----------+----------| | 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None | |-------+--------------+--------------+-----------+----------| | 32MB | (1) 8M x 36 | None | None | None | |-------+--------------+--------------+-----------+----------| | 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | None | | | | | 36 | | |-------+--------------+--------------+-----------+----------| | 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |-------+--------------+--------------+-----------+----------| | 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x | None | | | | | 36 | | |-------+--------------+--------------+-----------+----------| | 40MB | (1) 2M x 36 | None | (1) 4M x | (1) 4M x | | | | | 36 | 36 | |-------+--------------+--------------+-----------+----------| | 40MB | (1) 2M x 36 | None | (1) 8M x | None | | | | | 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 | |-------+--------------+--------------+-----------+----------| | 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 8M x | None | | | | | 36 | | |-------+--------------+--------------+-----------+----------| | 64MB | (1) 8M x 36 | None | (1) 8M x | None | | | | | 36 | | |------------------------------------------------------------| | Note: The location of banks 0, 1, 2, & 3 are unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |------------+---------------+---------------+---------------| | 128KB | (4) 32K x 8 | None | (1) 8K x 8 | |------------+---------------+---------------+---------------| | 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 256KB (B) | (4) 64K x 8 | None | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 512KB (A) | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 512KB (B) | (4) 128K x 8 | None | (1) 32K x 8 | |------------+---------------+---------------+---------------| | 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 128K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP13 | JP14 | JP25 | |-----------+----------------+---------------+---------------| | 128KB | Open | Pins 2 & 3 | Pins 1 & 2 | | | | closed | closed | |-----------+----------------+---------------+---------------| | 256KB (A) | Open | Pins 1 & 2 | Pins 1 & 2 | | | | closed | closed | |-----------+----------------+---------------+---------------| | 256KB (B) | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 | | | closed | closed | closed | |-----------+----------------+---------------+---------------| | 512KB (A) | Pins 4 & 5 | Pins 1 & 2 | Pins 2 & 3 | | | closed | closed | closed | |-----------+----------------+---------------+---------------| | 512KB (B) | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 | | | closed | closed | closed | |-----------+----------------+---------------+---------------| | 1MB | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION | |------------------------------------------------------------| | Speed | JP21 | JP22 | JP23 | |---------+----------------+----------------+----------------| | 20MHz | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 25MHz | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 33MHz | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 40MHz | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 50iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 50MHz | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 66iMHz | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 75iMHz | Pins 2 & 3 | Pins 1 & 2 | Pins 1 & 2 | | | closed | closed | closed | |---------+----------------+----------------+----------------| | 100iMHz | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JP16 | JP17 | JP18 | JP19 | JP20 | |---------------+----------+-------+--------+--------+-------| | CX468S | 2 & 3, 4 | 1 & 2 | 1 & 2, | 2 & 3 | 2 & 3 | | | & 5 | | 3 & 4 | | | |---------------+----------+-------+--------+--------+-------| | 80486SX | Open | Open | Open | 2 & 3 | 2 & 3 | |---------------+----------+-------+--------+--------+-------| | SL80486SX | 3 & 4, 5 | Open | 4 & 5 | 2 & 3 | 2 & 3 | | | & 6 | | | | | |---------------+----------+-------+--------+--------+-------| | 486 Overdrive | Open | Open | Open | 1 & 2 | 2 & 3 | |---------------+----------+-------+--------+--------+-------| | SL486 | 5 & 6 | Open | 4 & 5 | 1 & 2 | 2 & 3 | | Overdrive | | | | | | |---------------+----------+-------+--------+--------+-------| | 80487SX | Open | Open | Open | 1 & 2 | 2 & 3 | |---------------+----------+-------+--------+--------+-------| | CX486DX | 2 & 3, 4 | 1 & 2 | 1 & 2, | 1 & 2 | 2 & 3 | | | & 5 | | 3 & 4 | | | |---------------+----------+-------+--------+--------+-------| | 80486DX | Open | Open | Open | 1 & 2 | 2 & 3 | |---------------+----------+-------+--------+--------+-------| | SL80486DX | 3 & 4, 5 | Open | 4 & 5 | 1 & 2 | 2 & 3 | | | & 6 | | | | | |---------------+----------+-------+--------+--------+-------| | 80486DX2 | Open | Open | Open | 1 & 2 | 2 & 3 | |---------------+----------+-------+--------+--------+-------| | SL80486DX2 | 3 & 4, 5 | Open | 4 & 5 | 1 & 2 | 2 & 3 | | | & 6 | | | | | |---------------+----------+-------+--------+--------+-------| | CX486DX2 | 2 & 3, 4 | 1 & 2 | 1 & 2, | 1 & 2, | 2 & 3 | | | & 5 | | 3 & 4 | 4 & 5 | | |---------------+----------+-------+--------+--------+-------| | 80486DX4 (2x) | 3 & 4, 5 | 5 & 6 | 4 & 5 | 1 & 2 | 2 & 3 | | | & 6 | | | | | |---------------+----------+-------+--------+--------+-------| | 80486DX4 | 3 & 4, 5 | 4 & 5 | 4 & 5 | 1 & 2 | 2 & 3 | | (2.5x) | & 6 | | | | | |---------------+----------+-------+--------+--------+-------| | 80486DX4 (3x) | 3 & 4, 5 | Open | 4 & 5 | 1 & 2 | 2 & 3 | | | & 6 | | | | | |---------------+----------+-------+--------+--------+-------| | P24T | 5 & 6 | Open | 4 & 5 | 1 & 2 | 1 & 2 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JP11 | |----------------------------+-------------------------------| | Cyrix | Pins 1 & 2 closed | |----------------------------+-------------------------------| | Intel | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU HARDWARE TRAP SELECTION | |------------------------------------------------------------| | Type | JP5 | JP6 | |------------------+--------------------+--------------------| | CX468S | Pins 2 & 3 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 80486SX | Pins 1 & 2 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | SL80486SX | Pins 1 & 2 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | CX486DX | Pins 2 & 3 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 80486DX | Pins 1 & 2 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | SL80486DX | Pins 1 & 2 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | 80486DX2 | Pins 1 & 2 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | SL80486DX2 | Pins 1 & 2 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | CX486DX2 | Pins 2 & 3 closed | Pins 1 & 2 closed | |------------------+--------------------+--------------------| | 80486DX4 | Pins 1 & 2 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | P24T | Pins 1 & 2 closed | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE SELECTION | |------------------------------------------------------------| | Voltage | JP12 | JP15 | |------------------+--------------------+--------------------| | 3v | Pins 2 & 3 closed | Pins 2 & 3 closed | |------------------+--------------------+--------------------| | 5v | Pins 1 & 2 closed | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VL BUS WAIT STATE SELECTION | |------------------------------------------------------------| | Setting | JP26 | |----------------------------+-------------------------------| | 0 | Pins 1 & 2 closed | |----------------------------+-------------------------------| | 1 | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VL BUS SPEED SELECTION | |------------------------------------------------------------| | Speed | JP27 | |----------------------------+-------------------------------| | <= 33MHz | Pins 1 & 2 closed | |----------------------------+-------------------------------| | >33 MHz | Pins 2 & 3 closed | +------------------------------------------------------------+