AST RESEARCH, INC. ================== PREMMIA SE Processor 80486SX/80486DX/80486DX2/Pentium Overdrive/Pentium Processor 25/33/50(internal)/66(internal)MHz Speed Chip Set AST Max. Onboard 128MB DRAM Cache 64/128/256KB (with external cache card installed) BIOS AST Dimensions 330mm x 218mm I/O Options Floppy drive interfaces (2), IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, SCSI backplane card NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |--------------------+----------+-----------------+----------| | Chassis fan power | J9 | IDE interface | J22 | |--------------------+----------+-----------------+----------| | PS/2 mouse port | J12 | Floppy drive | J24 | | | | interface | | | | | (primary) | | |--------------------+----------+-----------------+----------| | Parallel port | J13 | Floppy drive | J25 | | | | interface | | | | | (secondary) | | |--------------------+----------+-----------------+----------| | Serial port 1 | J14 | External | J26 | | | | battery | | |--------------------+----------+-----------------+----------| | Pentium/Cache | J17 | Speaker | J27 | | upgrade connector | | | | |--------------------+----------+-----------------+----------| | VGA port | J18 | Chassis fan | J28 | | | | power | | |--------------------+----------+-----------------+----------| | VGA feature | J19 | Control console | J29 | | connector | | connector | | |--------------------+----------+-----------------+----------| | Serial port 2 | J20 | IDE interface | J35 | | | | LED | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper/Switch | Position | |-------------------------------+---------------+------------| |>> | Flash BIOS type select 5v | E6 | pins 2 & 3 | | | - 5volt | | closed | |---+---------------------------+---------------+------------| | | Flash BIOS type select | E6 | pins 1 & 2 | | | 12v - 12volt | | closed | |---+---------------------------+---------------+------------| |>> | Factory configured - do | E800 | pins 1 & 2 | | | not alter | | closed | |---+---------------------------+---------------+------------| |>> | Factory configured - do | E801 | pins 2 & 3 | | | not alter | | closed | |---+---------------------------+---------------+------------| |>> | Factory configured - do | E802 | pins 2 & 3 | | | not alter | | closed | |---+---------------------------+---------------+------------| |>> | Factory configured - do | E803 | pins 1 & 2 | | | not alter | | closed | |---+---------------------------+---------------+------------| |>> | Factory configured - do | E804 | pins 1 & 2 | | | not alter | | closed | |---+---------------------------+---------------+------------| |>> | On board video enabled | SW1/1 | On | |---+---------------------------+---------------+------------| | | On board video disabled | SW1/1 | Off | |---+---------------------------+---------------+------------| |>> | Factory configured - do | SW1/2 | Off | | | not alter | | | |---+---------------------------+---------------+------------| |>> | EISA CMOS memory normal | SW1/3 | Off | | | operation | | | |---+---------------------------+---------------+------------| | | EISA CMOS memory clear | SW1/3 | On | |---+---------------------------+---------------+------------| |>> | Boot type select normal | SW1/4 | Off | |---+---------------------------+---------------+------------| | | Boot type select flash | SW1/4 | On | | | BIOS update | | | |---+---------------------------+---------------+------------| |>> | Password disabled | SW1/5 | On | |---+---------------------------+---------------+------------| | | Password enabled | SW1/5 | Off | |---+---------------------------+---------------+------------| |>> | Factory configured - do | SW1/6 | Off | | | not alter | | | |---+---------------------------+---------------+------------| |>> | System setup type select | SW1/7 | Off | | | allow access | | | |---+---------------------------+---------------+------------| | | System setup type select | SW1/7 | On | | | deny access | | | |---+---------------------------+---------------+------------| |>> | Factory configured - do | SW1/8 | Off | | | not alter | | | |---+---------------------------+---------------+------------| |>> | I/O port address select | SW1/9 | On | | | 0398h | | | |---+---------------------------+---------------+------------| | | I/O port address select | SW1/9 | Off | | | 026Eh | | | |---+---------------------------+---------------+------------| |>> | Factory configured - do | SW1/10 | Off | | | not alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 2MB | (2) 256K x 36 | NONE | |------------------+--------------------+--------------------| | 4MB | (2) 256K x 36 | (2) 256K x 36 | |------------------+--------------------+--------------------| | 4MB | (2) 512K x 36 | NONE | |------------------+--------------------+--------------------| | 6MB | (2) 256K x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 8MB | (2) 512K x 36 | (2) 512K x 36 | |------------------+--------------------+--------------------| | 10MB | (2) 256K x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 12MB | (2) 512K x 36 | (2) 1M x 36 | |------------------+--------------------+--------------------| | 16MB | (2) 2M x 36 | NONE | |------------------+--------------------+--------------------| | 18MB | (2) 256K x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 20MB | (2) 512K x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 24MB | (2) 1M x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 32MB | (2) 2M x 36 | (2) 2M x 36 | |------------------+--------------------+--------------------| | 32MB | (2) 4M x 36 | NONE | |------------------+--------------------+--------------------| | 34MB | (2) 256K x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 36MB | (2) 512K x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 40MB | (2) 1M x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 48MB | (2) 2M x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 64MB | (2) 4M x 36 | (2) 4M x 36 | |------------------+--------------------+--------------------| | 64MB | (2) 8M x 36 | NONE | |------------------+--------------------+--------------------| | 66MB | (2) 256K x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 68MB | (2) 512K x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 72MB | (2) 1M x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 80MB | (2) 2M x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 96MB | (2) 4M x 36 | (2) 8M x 36 | |------------------+--------------------+--------------------| | 128MB | (2) 8M x 36 | (2) 8M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | VIDEO MEMORY CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |---------------+----------------------+---------------------| | 515KB | (2) 256K x 4 | NONE | |---------------+----------------------+---------------------| | 1MB | (2) 256K x 4 | (2) 256K x 4 | |------------------------------------------------------------| | Note: Bank 0- is factory installed and is not | | configurable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | MISCELLANEOUS TECHNICAL NOTE | |------------------------------------------------------------| | Note: CPU speed is dependent upon main board model. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |--------------------+----------+-----------------+----------| | DC power connector | CN1 | SCSI connector | J4 | | 1 | | | | |--------------------+----------+-----------------+----------| | DC power connector | CN2 | SCSI connector | J7 | | 2 | | | | |--------------------+----------+-----------------+----------| | SCSI connector | J1 | SCSI drive cage | J8 | | | | connector | | |--------------------+----------+-----------------+----------| | SCSI drive cage | J2 | SCSI drive cage | J9 | | connector | | connector | | |--------------------+----------+-----------------+----------| | SCSI drive cage | J3 | SCSI connector | J10 | | connector | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |---------------------------------------+---------+----------| |>> | Terminator power jumper enabled | E13 | Closed | |---+-----------------------------------+---------+----------| | | Terminator power jumper disabled | E13 | Open | |---+-----------------------------------+---------+----------| |>> | Terminator power jumper enabled | E14 | Closed | |---+-----------------------------------+---------+----------| | | Terminator power jumper disabled | E14 | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | SCSI ID CONFIGURATION (J1) | |------------------------------------------------------------| | Setting | E1 | E2 | E3 | |---------------+---------------+--------------+-------------| | ID0 | Open | Open | Open | |---------------+---------------+--------------+-------------| | ID1 | Closed | Open | Open | |---------------+---------------+--------------+-------------| | ID2 | Open | Closed | Open | |---------------+---------------+--------------+-------------| | ID3 | Closed | Closed | Open | |---------------+---------------+--------------+-------------| | ID4 | Open | Open | Closed | |---------------+---------------+--------------+-------------| | ID5 | Closed | Open | Closed | |---------------+---------------+--------------+-------------| | ID6 | Open | Closed | Closed | |---------------+---------------+--------------+-------------| | ID7 | N/A | N/A | N/A | |------------------------------------------------------------| | Note: ID7 is factory reserved - do not alter. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SCSI ID CONFIGURATION (J4) | |------------------------------------------------------------| | Setting | E4 | E5 | E6 | |---------------+---------------+--------------+-------------| | ID0 | Open | Open | Open | |---------------+---------------+--------------+-------------| | ID1 | Closed | Open | Open | |---------------+---------------+--------------+-------------| | ID2 | Open | Closed | Open | |---------------+---------------+--------------+-------------| | ID3 | Closed | Closed | Open | |---------------+---------------+--------------+-------------| | ID4 | Open | Open | Closed | |---------------+---------------+--------------+-------------| | ID5 | Closed | Open | Closed | |---------------+---------------+--------------+-------------| | ID6 | Open | Closed | Closed | |---------------+---------------+--------------+-------------| | ID7 | N/A | N/A | N/A | |------------------------------------------------------------| | Note: ID7 is factory reserved - do not alter. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SCSI ID CONFIGURATION (J7) | |------------------------------------------------------------| | Setting | E7 | E8 | E9 | |---------------+---------------+--------------+-------------| | ID0 | Open | Open | Open | |---------------+---------------+--------------+-------------| | ID1 | Closed | Open | Open | |---------------+---------------+--------------+-------------| | ID2 | Open | Closed | Open | |---------------+---------------+--------------+-------------| | ID3 | Closed | Closed | Open | |---------------+---------------+--------------+-------------| | ID4 | Open | Open | Closed | |---------------+---------------+--------------+-------------| | ID5 | Closed | Open | Closed | |---------------+---------------+--------------+-------------| | ID6 | Open | Closed | Closed | |---------------+---------------+--------------+-------------| | ID7 | N/A | N/A | N/A | |------------------------------------------------------------| | Note: ID7 is factory reserved - do not alter. | +------------------------------------------------------------+ +------------------------------------------------------------+ | SCSI ID CONFIGURATION (J10) | |------------------------------------------------------------| | Setting | E10 | E11 | E12 | |---------------+---------------+--------------+-------------| | ID0 | Open | Open | Open | |---------------+---------------+--------------+-------------| | ID1 | Closed | Open | Open | |---------------+---------------+--------------+-------------| | ID2 | Open | Closed | Open | |---------------+---------------+--------------+-------------| | ID3 | Closed | Closed | Open | |---------------+---------------+--------------+-------------| | ID4 | Open | Open | Closed | |---------------+---------------+--------------+-------------| | ID5 | Closed | Open | Closed | |---------------+---------------+--------------+-------------| | ID6 | Open | Closed | Closed | |---------------+---------------+--------------+-------------| | ID7 | N/A | N/A | N/A | |------------------------------------------------------------| | Note: ID7 is factory reserved - do not alter. | +------------------------------------------------------------+