FIRST INTERNATIONAL COMPUTER, INC. ================================== LEO 486-VIP Processor 80486SX/80486SL/80487SX/CX486DX/80486DX/80486DX2 80486DX4/Pentium Overdrive Processor 25/33/40/50(internal)/50/66(internal)MHz Speed Chip Set VIA Max. Onboard 96MB DRAM Cache 64/128/256KB BIOS Award Dimensions 219mm x 271mm I/O Options 32-bit VESA local bus slots (2), 32-bit PCI slots (3), PS/2 mouse port NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |--------------------+----------+-----------------+----------| | PS/2 mouse port | CN2 | Green status | J5 | | | | LED | | |--------------------+----------+-----------------+----------| | 3.3V daughter | CN5 | 32-bit VESA | S1 | | board (80486DX4 | | Local bus slot | | | only) | | | | |--------------------+----------+-----------------+----------| | Turbo switch | CN6 | 32-bit VESA | S2 | | | | Local bus slot | | |--------------------+----------+-----------------+----------| | Turbo LED | CN7 | 32-bit PCI slot | PCI1 | |--------------------+----------+-----------------+----------| | Reset switch | CN8 | 32-bit PCI slot | PCI2 | |--------------------+----------+-----------------+----------| | Speaker | CN9 | 32-bit PCI slot | PCI3 | |--------------------+----------+-----------------+----------| | Power LED & | CN10 | | | | keylock | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Monitor type select color | J2 | Closed | |----+---------------------------------+--------+------------| | | Monitor type select | J2 | Open | | | monochrome/EGA/VGA | | | |----+---------------------------------+--------+------------| |>> | CMOS memory normal operation | J3 | Open | |----+---------------------------------+--------+------------| | | CMOS memory clear | J3 | Closed | |----+---------------------------------+--------+------------| |>> | Normal operation | J7 | Open | |----+---------------------------------+--------+------------| | | Password clear | J7 | Closed | |----+---------------------------------+--------+------------| |>> | CPU select Cyrix DX | JT1 | pins 1 & 2 | | | | | closed | |----+---------------------------------+--------+------------| | | CPU select Cyrix DX2 | JT1 | pins 2 & 3 | | | | | closed | |----+---------------------------------+--------+------------| |>> | 80486DX4 3X mode | JT2 | pins 1 & 2 | | | | | closed | |----+---------------------------------+--------+------------| | | 80486DX4 2X mode | JT2 | pins 2 & 3 | | | | | closed | |----+---------------------------------+--------+------------| |>> | Pentium Overdrive internal | JT3 | pins 1 & 2 | | | write-back cache | | closed | |----+---------------------------------+--------+------------| | | Pentium Overdrive internal | JT3 | pins 2 & 3 | | | write-through cache | | closed | |----+---------------------------------+--------+------------| |>> | Pentium Overdrive disabled | JT4 | pins 1 & 2 | | | | | closed | |----+---------------------------------+--------+------------| | | Pentium Overdrive enabled | JT4 | pins 2 & 3 | | | | | closed | |----+---------------------------------+--------+------------| |>> | Normal operation | JT5 | pins 1 & 2 | | | | | closed | |----+---------------------------------+--------+------------| | | For card that uses A31 | JT5 | pins 2 & 3 | | | | | closed | |----+---------------------------------+--------+------------| |>> | Address area is proogrammed in | JT6 | pins 1 & 2 | | | VT82C505 | | closed | |----+---------------------------------+--------+------------| | | Supports IRQ15 when SMI# is | JT6 | pins 2 & 3 | | | used | | closed | |----+---------------------------------+--------+------------| |>> | Factory configured - do not | JT7 | pins 1 & 2 | | | alter | | closed | |----+---------------------------------+--------+------------| |>> | Factory configured - do not | JT8 | pins 1 & 2 | | | alter | | closed | |----+---------------------------------+--------+------------| |>> | Factory configured - do not | JT9 | pins 1 & 2 | | | alter | | closed | |----+---------------------------------+--------+------------| |>> | Normal operation | JT10 | pins 2 & 3 | | | | | closed | |----+---------------------------------+--------+------------| | | PCI IDE card is installed | JT10 | pins 1 & 2 | | | | | closed | |----+---------------------------------+--------+------------| |>> | Factory configured - do not | JT11 | pins 1 & 2 | | | alter | | closed | |----+---------------------------------+--------+------------| |>> | Factory configured - do not | JX2 | pins 2 & 3 | | | alter | | closed | |------------------------------------------------------------| | NoteJumper JT5 and JT6 cannot be closed at the same time. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 1MB | (4) 256K x 9 | NONE | NONE | |------------+---------------+---------------+---------------| | 1MB | NONE | (1) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 1MB | NONE | NONE | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 2MB | (4) 256K x 9 | (1) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 2MB | NONE | (1) 256K x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 2MB | (4) 256K x 9 | NONE | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 3MB | (4) 256K x 9 | (1) 256K x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 4MB | (4) 1M x 9 | NONE | NONE | |------------+---------------+---------------+---------------| | 4MB | NONE | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 4MB | NONE | NONE | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 5MB | (4) 256K x 9 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 5MB | (4) 256K x 9 | NONE | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 5MB | (4) 1M x 9 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 5MB | (4) 1M x 9 | NONE | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 5MB | NONE | (1) 256K x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 5MB | NONE | (1) 1M x 36 | (1) 256K x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CONTINUED) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 6MB | (4) 256K x 9 | (1) 1M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 6MB | (4) 256K x 9 | (1) 256K x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 6MB | (4) 256K x 9 | (1) 256K x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 8MB | (4) 256K x 9 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 8MB | (4) 256K x 9 | NONE | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 8MB | NONE | (1) 1M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 9MB | (4) 256K x 9 | (1) 1M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 9MB | (4) 256K x 9 | (1) 256K x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 9MB | (4) 256K x 9 | (1) 1M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 12MB | (4) 256K x 9 | (1) 1M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 16MB | (4) 4M x 9 | NONE | NONE | |------------+---------------+---------------+---------------| | 16MB | NONE | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 16MB | NONE | NONE | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 17MB | (4) 256K x 9 | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 17MB | (4) 256K x 9 | NONE | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 17MB | NONE | (1) 1M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 17MB | NONE | (1) 4M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 17MB | (4) 4M x 9 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 17MB | (4) 4M x 9 | NONE | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 18MB | (4) 256K x 9 | (1) 256K x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 18MB | (4) 256K x 9 | (1) 4M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 18MB | (4) 4M x 9 | (1) 256K x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 20MB | (1) 256K x 36 | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 20MB | (4) 1M x 9 | NONE | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 20MB | (4) 4M x 9 | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 20MB | (4) 4M x 9 | NONE | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 20MB | NONE | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 20MB | NONE | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 256K x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 256K x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 1M x 9 | (1) 1M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 1M x 9 | (1) 4M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 4M x 9 | (1) 1M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 4M x 9 | (1) 4M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 24MB | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 24MB | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 24MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 32MB | (4) 4M x 9 | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 32MB | (4) 4M x 9 | NONE | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 32MB | NONE | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 32MB | NONE | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 32MB | NONE | NONE | (1) 16M x 36 | |------------+---------------+---------------+---------------| | 33MB | (4) 256K x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 33MB | (4) 4M x 9 | (1) 1M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 33MB | (4) 4M x 9 | (1) 4M x 36 | (1) 1M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CONTINUED) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 36MB | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 36MB | (4) 4M x 9 | (1) 1M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 36MB | (4) 4M x 9 | (1) 4M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 48MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 64MB | (4) 16M x 9 | NONE | NONE | |------------+---------------+---------------+---------------| | 65MB | (4) 16M x 9 | (1) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 65MB | (4) 16M x 9 | NONE | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 66MB | (4) 16M x 9 | (1) 256K x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 68MB | (4) 16M x 9 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 68MB | (4) 16M x 9 | NONE | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 69MB | (4) 16M x 9 | (1) 256K x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 69MB | (4) 16M x 9 | (1) 1M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 72MB | (4) 16M x 9 | (1) 1M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 80MB | (4) 16M x 9 | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 80MB | (4) 16M x 9 | NONE | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 81MB | (4) 16M x 9 | (1) 256K x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 81MB | (4) 16M x 9 | (1) 16M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 84MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 84MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 96MB | (4) 16M x 9 | (1) 4M x 36 | (1) 4M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | KEYBOARD CONFIGURATION | |------------------------------------------------------------| | Select | JRN4 | JRN5 | JRN6 | JRN7 | |----------+------------+------------+-----------+-----------| | Internal | Installed | Not | Installed | Not | | | | installed | | installed | |----------+------------+------------+-----------+-----------| | External | Not | Installed | Not | Installed | | | installed | | installed | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |------------+---------------+---------------+---------------| | 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JS1 | JS2 | JS3 | |-------+-----------------+-----------------+----------------| | 64KB | pins 1 & 2 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | |-------+-----------------+-----------------+----------------| | 128KB | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | |-------+-----------------+-----------------+----------------| | 256KB | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JC2 | JC3 | JC4 | JP1 | JT12 | JX1 | |------------+-------+-------+-------+-------+-------+-------| | 80486SX | pins | pins | Open | pins | pins | pins | | | 2 & 3 | 2 & 3 | | 1 & 2 | 1 & 2 | 1 & 2 | |------------+-------+-------+-------+-------+-------+-------| | 80487SX | pins | pins | pins | pins | pins | pins | | | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | |------------+-------+-------+-------+-------+-------+-------| | CX486S | pins | pins | Open | pins | pins | pins | | | 2 & 3 | 2 & 3 | | 2 & 3 | 2 & 3 | 2 & 3 | |------------+-------+-------+-------+-------+-------+-------| | Intel SL | N/A | N/A | N/A | pins | pins | pins | | enhanced | | | | 2 & 3 | 1 & 2 | 2 & 3 | |------------+-------+-------+-------+-------+-------+-------| | AM486DXL | N/A | N/A | N/A | pins | pins | pins | | | | | | 1 & 2 | 1 & 2 | 1 & 2 | |------------+-------+-------+-------+-------+-------+-------| | 80486DX | pins | pins | pins | pins | pins | pins | | | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |------------+-------+-------+-------+-------+-------+-------| | CX486DX | pins | pins | pins | pins | pins | pins | | | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 | |------------+-------+-------+-------+-------+-------+-------| | 80486DX2 | pins | pins | pins | pins | pins | pins | | | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |------------+-------+-------+-------+-------+-------+-------| | 80486DX4 | pins | pins | pins | pins | pins | pins | | | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |------------+-------+-------+-------+-------+-------+-------| | Pentium | pins | pins | pins | pins | pins | pins | | Overdrive | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | |------------------------------------------------------------| | Note:Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION (CONTINUED) | |------------------------------------------------------------| | Type | JN1 | JN2 | JRN1 | JRN2 | JRN3 | |-------------+------+------+----------+----------+----------| | 80486SX | Open | Open | N/A | N/A | N/A | |-------------+------+------+----------+----------+----------| | 80487SX | Open | Open | N/A | N/A | N/A | |-------------+------+------+----------+----------+----------| | CX486S | Open | Open | Not | Not |Installed | | | | |installed |installed | | |-------------+------+------+----------+----------+----------| | Intel SL | Open | Open | Not |Installed | Not | | enhanced | | |installed | |installed | |-------------+------+------+----------+----------+----------| | AM486DXL | Open | Open |Installed | Not | Not | | | | | |installed |installed | |-------------+------+------+----------+----------+----------| | 80486DX | Open | Open | Not | Not | Not | | | | |installed |installed |installed | |-------------+------+------+----------+----------+----------| | CX486DX | Open | Open | Not | Not |Installed | | | | |installed |installed | | |-------------+------+------+----------+----------+----------| | 80486DX2 | Open | Open | Not | Not | Not | | | | |installed |installed |installed | |-------------+------+------+----------+----------+----------| | 80486DX4 | Open | Open | Not |Installed | Not | | | | |installed | |installed | |-------------+------+------+----------+----------+----------| | Pentium |Closed|Closed| Not |Installed | Not | | Overdrive | | |installed | |installed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JCK0 | JCK1 | JCK2 | JCK3 | |--------+------------+------------+------------+------------| | 25MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | closed | |--------+------------+------------+------------+------------| | 33MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | closed | |--------+------------+------------+------------+------------| | 40MHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | closed | |--------+------------+------------+------------+------------| | 50iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | closed | |--------+------------+------------+------------+------------| | 50MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | closed | |--------+------------+------------+------------+------------| | 66iMhz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VESA WAIT STATE/BUS SPEED (ID2 & ID3) CONFIGURATION | |------------------------------------------------------------| | CPU speed | Wait states | JV1 | JV2 | |------------+----------------+----------------+-------------| | < 33MHz | 0 wait states | pins 1 & 2 | pins 1 & 2 | | | | closed | closed | |------------+----------------+----------------+-------------| | > 33MHz | 1 wait state | pins 2 & 3 | pins 2 & 3 | | | | closed | closed | +------------------------------------------------------------+