AST RESEARCH, INC. ================== PREMIUM/386-25 Processor 80386DX Processor Speed 25MHz Chip Set AST Max. Onboard None (36MB total on 32-bit external cards) DRAM Cache 32KB BIOS AST Dimensions 355mm x 251mm I/O Options 16-bit external expansion card slot, 32-bit external CPU/NPU card slot, 32-bit external memory card slots (2), floppy interface, IDE interface, parallel port, serial ports (2) NPU Options 80387/3167 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-----------------+----------+--------------------+----------| | 32-bit external | CN1 | Auxillary floppy | P4 | | CPU/NPU card | | drive interface | | |-----------------+----------+--------------------+----------| | 32-bit external | CN2 | Power LED & reset | P5 | | memory card | | switch | | |-----------------+----------+--------------------+----------| | 32-bit external | CN3 | Speaker | P6 | | memory card | | | | |-----------------+----------+--------------------+----------| | 16-bit external | CN4 | External battery | P8 | | expansion card | | | | |-----------------+----------+--------------------+----------| | Primary floppy | P3 | IDE interface | P11 | | drive interface | | | | |------------------------------------------------------------| | Note:Expansion card slots CN1 through CN4 will accept | | standard 8 or 16-bit ISA cards. | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Password check enabled | E1 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Password check disabled | E1 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | E2 | Open | | | alter | | | |---+----------------------------------+--------+------------| |>> | Factory configured - do not | E3 | Open | | | alter | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |----------------------------------------+--------+----------| |>> | Factory configured - do not alter | E1 | Closed | |---+------------------------------------+--------+----------| |>> | Factory configured - do not alter | E2 | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | 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 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Switch | Position | |----------------------------------------+--------+----------| |>> | Parity check enabled | SW1/1 | On | |---+------------------------------------+--------+----------| | | Parity check disabled | SW1/1 | Off | |---+------------------------------------+--------+----------| |>> | Total system memory is less than | SW1/2 | Off | | | 16MB | | | |---+------------------------------------+--------+----------| | | Total system memory is 16MB or | SW1/2 | On | | | more | | | |---+------------------------------------+--------+----------| |>> | Factory configured - do not alter | SW1/3 | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM SWITCH CONFIGURATION | |------------------------------------------------------------| | Total memory | SW1/4 | SW1/5 | SW1/6 | SW1/7 | SW1/8 | |--------------+---------+--------+--------+--------+--------| | | 1MB | On | On | On | On | Off | |-----+--------+---------+--------+--------+--------+--------| | | 2MB | On | On | On | Off | On | |-----+--------+---------+--------+--------+--------+--------| | | 3MB | On | On | On | Off | Off | |-----+--------+---------+--------+--------+--------+--------| |>> | 4MB | On | On | Off | On | On | |-----+--------+---------+--------+--------+--------+--------| | | 5MB | On | On | Off | On | Off | |-----+--------+---------+--------+--------+--------+--------| | | 6MB | On | On | Off | Off | On | |-----+--------+---------+--------+--------+--------+--------| | | 7MB | On | On | Off | Off | Off | |-----+--------+---------+--------+--------+--------+--------| | | 8MB | On | Off | On | On | On | |-----+--------+---------+--------+--------+--------+--------| | | 9MB | On | Off | On | On | Off | |-----+--------+---------+--------+--------+--------+--------| | | 10MB | On | Off | On | Off | On | |-----+--------+---------+--------+--------+--------+--------| | | 11MB | On | Off | On | Off | Off | |-----+--------+---------+--------+--------+--------+--------| | | 12MB | On | Off | Off | On | On | |-----+--------+---------+--------+--------+--------+--------| | | 13MB | On | Off | Off | On | Off | |-----+--------+---------+--------+--------+--------+--------| | | 14MB | On | Off | Off | Off | On | |-----+--------+---------+--------+--------+--------+--------| | | 15MB | On | Off | Off | Off | Off | |-----+--------+---------+--------+--------+--------+--------| | | 16MB | Off | On | On | On | On | |-----+--------+---------+--------+--------+--------+--------| | | 17MB | Off | On | On | On | Off | |-----+--------+---------+--------+--------+--------+--------| | | 18MB | Off | On | On | Off | On | |-----+--------+---------+--------+--------+--------+--------| | | 19MB | Off | On | On | Off | Off | |-----+--------+---------+--------+--------+--------+--------| | | 20MB | Off | On | Off | On | On | |------------------------------------------------------------| | Note: Set the switches to the total amount of system | | memory installed not including this card. This enables | | this card to start filling system memory where the other | | card(s) left off. A setting of 4MB or less means that this | | card is the first memory card to be installed. A setting | | of more than 4MB means that this card is the second memory | | card that is installed. | +------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------+ | DRAM CONFIGURATION | |--------------------------------------------------------------------------------------------------------------------| |Size| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |0MB | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |1MB |Filled| None | None | None | None | None | None | None | None | None | None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |2MB |Filled|Filled| None | None | None | None | None | None | None | None | None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |3MB |Filled|Filled|Filled| None | None | None | None | None | None | None | None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |4MB |Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |5MB |Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |6MB |Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |7MB |Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |8MB |Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |9MB |Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |10MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |11MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |12MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |13MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |14MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |15MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| None | |----+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------+------| |16MB|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled|Filled| |--------------------------------------------------------------------------------------------------------------------| |Note: Banks (0 through 15) are filled using (1) 256K x 36 SIMMs. This table is for a single card only. | +--------------------------------------------------------------------------------------------------------------------+