NORTHGATE COMPUTER SYSTEMS, INC. ================================ ELEGANCE SP Processor 80386DX/80486DX Processor Speed 25/33MHz Chip Set VLSI Max. Onboard 64MB DRAM Cache 64/256KB BIOS AMI Dimensions 350mm x 304mm I/O Options Proprietary CPU module slot, parallel port, serial ports (2), floppy drive interface, IDE interface NPU Options 80387/3167/4167 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |---------------------+----------+----------------+----------| | Proprietary CPU | CPU1 | Serial port 1 | J9 | | module | | | | |---------------------+----------+----------------+----------| | External battery | J2 | Serial port 2 | J10 | |---------------------+----------+----------------+----------| | Turbo LED | J4 | Parallel port | J15 | |---------------------+----------+----------------+----------| | Power LED & keylock | J5 | Floppy drive | J16 | | | | interface | | |---------------------+----------+----------------+----------| | Reset switch | J6 | IDE interface | J17 | |---------------------+----------+----------------+----------| | IDE interface LED | J8 | Speaker | J19 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |---------------------------------+-------------+------------| |>> | Bus speed select | W1 | N/A | |---+-----------------------------+-------------+------------| |>> | Floppy drive write precomp | W2 | pins 2 & 3 | | | select alternate | | closed | |---+-----------------------------+-------------+------------| | | Floppy drive write precomp | W2 | pins 1 & 2 | | | select normal | | closed | |---+-----------------------------+-------------+------------| |>> | CPU speed select | W3 | N/A | |---+-----------------------------+-------------+------------| |>> | Monitor type select | W4 | pins 1 & 2 | | | monochrome | | closed | |---+-----------------------------+-------------+------------| | | Monitor type select color | W4 | pins 2 & 3 | | | | | closed | |---+-----------------------------+-------------+------------| |>> | CMOS memory normal | W7 | Open | | | operation | | | |---+-----------------------------+-------------+------------| | | CMOS memory clear | W7 | Closed | |---+-----------------------------+-------------+------------| |>> | Parallel port mode select | W13 | pins 2 & 3 | | | bi-directional | | closed | |---+-----------------------------+-------------+------------| | | Parallel port mode select | W13 | pins 1 & 2 | | | input only | | closed | |---+-----------------------------+-------------+------------| |>> | Floppy drive mode select | W18 | pins 1 & 2 | | | single speed | | closed | |---+-----------------------------+-------------+------------| | | Floppy drive mode select | W18 | pins 2 & 3 | | | dual speed | | closed | |---+-----------------------------+-------------+------------| |>> | BIOS type select | W19 | N/A | |---+-----------------------------+-------------+------------| |>> | Factory configured - do not | SW1 pins 1 | N/A | | | alter | & 2 | | |---+-----------------------------+-------------+------------| |>> | VGA BIOS shadowing enabled | SW1 pins 7 | Closed | | | | & 8 | | |---+-----------------------------+-------------+------------| | | VGA BIOS shadowing disabled | SW1 pins 7 | Open | | | | & 8 | | |---+-----------------------------+-------------+------------| |>> | Factory configured - do not | SW1 pins 9 | Open | | | alter | & 10 | | |---+-----------------------------+-------------+------------| |>> | BIOS shadowing enabled | SW1 pins 11 | Closed | | | | & 12 | | |---+-----------------------------+-------------+------------| | | BIOS shadowing disabled | SW1 pins 11 | Open | | | | & 12 | | |---+-----------------------------+-------------+------------| |>> | Floppy drive interface | SW3 pins 1 | Open | | | enabled | & 2 | | |---+-----------------------------+-------------+------------| | | Floppy drive interface | SW3 pins 1 | Closed | | | disabled | & 2 | | |------------------------------------------------------------| | Note:Jumpers W1, W3 and W19 are factory configured and | | should not be altered. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 1MB | (4) 256K x | NONE | NONE | NONE | | | 9 | | | | |------+-------------+-------------+------------+------------| | 2MB | (4) 256K x | (4) 256K x | NONE | NONE | | | 9 | 9 | | | |------+-------------+-------------+------------+------------| | 4MB | (4) 1M x 9 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 6MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | NONE | | | 9 | 9 | | | |------+-------------+-------------+------------+------------| | 8MB | (4) 1M x 9 | (4) 1M x 9 | NONE | NONE | |------+-------------+-------------+------------+------------| | 10MB | (4) 256K x | (4) 256K x | (4) 1M x 9 | (4) 1M x 9 | | | 9 | 9 | | | |------+-------------+-------------+------------+------------| | 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 | |------+-------------+-------------+------------+------------| | 24MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | NONE | |------+-------------+-------------+------------+------------| | 32MB | (4) 4M x 9 | (4) 4M x 9 | NONE | NONE | |------+-------------+-------------+------------+------------| | 40MB | (4) 1M x 9 | (4) 1M x 9 | (4) 4M x 9 | (4) 4M x 9 | |------+-------------+-------------+------------+------------| | 48MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | NONE | |------+-------------+-------------+------------+------------| | 64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | SW1 | W5 | W6 | W28 | W29 | |------+---------------------+-------+-------+-------+-------| | 1MB | 13 & 14, 15 & 16, | 2 & 3 | 2 & 3 | Open | Open | | | 17 & 18, 19 & 20 | | | | | |------+---------------------+-------+-------+-------+-------| | 2MB | 13 & 14, 17 & 18, | 2 & 3 | 2 & 3 | Open | Open | | | 19 & 20 | | | | | |------+---------------------+-------+-------+-------+-------| | 4MB | 13 & 14, 15 & 16, | 1 & 2 | 2 & 3 | Open | Open | | | 17 & 18 | | | | | |------+---------------------+-------+-------+-------+-------| | 6MB | 15 & 16, 17 & 18, | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | | | 19 & 20 | | | | | |------+---------------------+-------+-------+-------+-------| | 8MB | 13 & 14, 17 & 18 | 1 & 2 | 2 & 3 | Open | Open | |------+---------------------+-------+-------+-------+-------| | 10MB | 17 & 18, 19 & 20 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 | |------+---------------------+-------+-------+-------+-------| | 12MB | 15 & 16, 17 & 18 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | |------+---------------------+-------+-------+-------+-------| | 16MB | 17 & 18 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | |------+---------------------+-------+-------+-------+-------| | 16MB | 13 & 14, 15 & 16 | 1 & 2 | 1 & 2 | Open | Open | |------+---------------------+-------+-------+-------+-------| | 24MB | 15 & 16, 19 & 20 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | |------+---------------------+-------+-------+-------+-------| | 32MB | 13 & 14 | 1 & 2 | 1 & 2 | Open | Open | |------+---------------------+-------+-------+-------+-------| | 40MB | 19 & 20 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | |------+---------------------+-------+-------+-------+-------| | 48MB | 15 & 16 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |------+---------------------+-------+-------+-------+-------| | 64MB | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |------------------------------------------------------------| | Note:Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | IDE CONFIGURATION | |------------------------------------------------------------| | Setting | SW21 | W20 | |--------------------+-------------------+-------------------| | Enabled | Open | Closed | |--------------------+-------------------+-------------------| | Disabled | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | PARALLEL PORT CONFIGURATION | |------------------------------------------------------------| | IRQ | SW3 | |----------------------------+-------------------------------| | LPT1/3BCh | pins 9 & 10 closed | |----------------------------+-------------------------------| | LPT1/378h | Open | |----------------------------+-------------------------------| | LPT2/278h | pins 7 & 8 closed | |----------------------------+-------------------------------| | Disabled | pins 7 & 8, 9 & 10 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | PARALLEL PORT IRQ CONFIGURATION | |------------------------------------------------------------| | IRQ | SW2 | |----------------------------+-------------------------------| | IRQ7 | pins 7 & 8 closed | |----------------------------+-------------------------------| | IRQ5 | pins 5 & 6 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 1 CONFIGURATION | |------------------------------------------------------------| | Setting | SW2 | SW3 | |------------------+--------------------+--------------------| | Enabled | pins 1 & 2 closed | Open | |------------------+--------------------+--------------------| | Disabled | Open | pins 5 & 6 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 2 CONFIGURATION | |------------------------------------------------------------| | Setting | SW2 | SW3 | |------------------+--------------------+--------------------| | Enabled | pins 3 & 4 closed | Open | |------------------+--------------------+--------------------| | Disabled | Open | pins 3 & 4 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | BIOS CONFIGURATION | |------------------------------------------------------------| | Size | SW1 | |---------------------------------------------+--------------| | F000-FFFF(VGA BIOS disabled) | 3 & 4, 5 & 6 | |---------------------------------------------+--------------| | F000-FFFF, E000-EFFF (VGA BIOS disabled, | 3 & 4 | | BIOS shadowing enabled) | | |---------------------------------------------+--------------| | F000-FFFF VGA BIOS at C000-C7FF | 5 & 6 | |---------------------------------------------+--------------| | F000-FFFF VGA BIOS at C000-C7FF, IDE | 5 & 6 | | interface at C800-CFFF | | |------------------------------------------------------------| | Note : Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |---------------------------------------+---------+----------| |>> | Factory configured - do not alter | W2 | N/A | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | |----------------------------+-------------------------------| | 64KB | (8) 8K x 8 | |----------------------------+-------------------------------| | 256KB | (8) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | W1 | |----------------------------+-------------------------------| | 64KB | Open | |----------------------------+-------------------------------| | 256KB | pins 1 & 2, 3 & 4 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |---------------------------------------+---------+----------| |>> | Factory configured - do not alter | W6 | N/A | |---+-----------------------------------+---------+----------| |>> | Factory configured - do not alter | W7 | N/A | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | |----------------------------+-------------------------------| | 64KB | (8) 8K x 8 | |----------------------------+-------------------------------| | 256KB | (8) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | W1 | W2 | W5 | |-------+------------+------------+--------------------------| | 64KB | pins 1 & 2 | pins 1 & 2 | Open | | | closed | closed | | |-------+------------+------------+--------------------------| | 256KB | pins 2 & 3 | pins 2 & 3 | pins 3 & 4, 5 & 6 closed | | | closed | closed | | +------------------------------------------------------------+ +------------------------------------------------------------+ | BURST MODE CONFIGURATION | |------------------------------------------------------------| | Setting | W3 | W4 | W5 | |----------+----------------+----------------+---------------| | Enabled | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | |----------+----------------+----------------+---------------| | Disabled | pins 1 & 2 | pins 1 & 2 | Open | | | closed | closed | | +------------------------------------------------------------+