AST RESEARCH, INC. ================== BRAVO LC (KING P) P/75 (202766-101) Processor CX487SX/80486SX/CX486DX/80486DX/CX486DX2/80486DX2/80486DX4/ Pentium Overdrive/CX5X86 Processor 20/25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz Speed Chip Set Unidentified Max. 128MB Onboard DRAM Cache 128/256KB BIOS Unidentified Dimensions 254mm x 218mm I/O Floppy drive interface, green PC connector, IDE interfaces (2), Options parallel port, PS/2 mouse port, serial ports (2), 8514 video pass through connector, VGA port, riser slot NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+----------+-------------------+----------| | PS/2 mouse port | CN2 | Turbo LED (not | J10 | | | | used) | | |------------------+----------+-------------------+----------| | Serial port | CN3 | Turbo switch (not | J12 pins | | | | used) | 2 & 3 | |------------------+----------+-------------------+----------| | Serial port | CN4 | Control console | J14 | | | | power LED | | |------------------+----------+-------------------+----------| | Parallel port | CN5 | Reset switch (not | J15 | | | | used) | | |------------------+----------+-------------------+----------| | VGA port | CN6 | 8514 video pass | J16 | | | | through connector | | |------------------+----------+-------------------+----------| | IDE interface 1 | J3 | Speaker | J18 pins | | | | | 1 & 2 | |------------------+----------+-------------------+----------| | Floppy drive | J5 | Control console | JP15 | | interface | | hard drive LED | | |------------------+----------+-------------------+----------| | IDE interface 2 | J7 | Riser slot | SL1 | |------------------+----------+-------------------+----------| | Green PC | J9 | | | | connector (not | | | | | used) | | | | |------------------------------------------------------------| | Note: The locations of J9 & J10 are unidentified. | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |---------------------------------------+---------+----------| |>> | Factory configured - do not alter | J11 | N/A | |---+-----------------------------------+---------+----------| |>> | Password enabled | JP2 | Closed | |---+-----------------------------------+---------+----------| | | Password disabled | JP2 | Open | |---+-----------------------------------+---------+----------| |>> | On board video enabled | JP29 | Closed | |---+-----------------------------------+---------+----------| | | On board video disabled | JP29 | Open | |---+-----------------------------------+---------+----------| |>> | Monitor type select color | JP30 | Closed | |---+-----------------------------------+---------+----------| | | Monitor type select monochrome | JP30 | Open | |---+-----------------------------------+---------+----------| |>> | Flash BIOS normal operation | JP31 | Closed | |---+-----------------------------------+---------+----------| | | Flash BIOS force update at boot | JP31 | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+-------------+-------------+------------+------------| | 4MB | (1) 1M x 32 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 8MB | (1) 2M x 32 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 8MB | (1) 1M x 32 | (1) 1M x 32 | NONE | NONE | |------+-------------+-------------+------------+------------| | 9MB | (1) 1M x 32 | (1) 1M x 32 | (1) 256K x | NONE | | | | | 32 | | |------+-------------+-------------+------------+------------| | 10MB | (1) 1M x 32 | (1) 1M x 32 | (1) 256K x | (1) 256K x | | | | | 32 | 32 | |------+-------------+-------------+------------+------------| | 12MB | (1) 1M x 32 | (1) 1M x 32 | (1) 1M x | NONE | | | | | 32 | | |------+-------------+-------------+------------+------------| | 16MB | (1) 1M x 32 | (1) 1M x 32 | (1) 1M x | (1) 1M x | | | | | 32 | 32 | |------+-------------+-------------+------------+------------| | 16MB | (1) 4M x 32 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 17MB | (1) 2M x 32 | (1) 2M x 32 | (1) 256K x | NONE | | | | | 32 | | |------+-------------+-------------+------------+------------| | 18MB | (1) 2M x 32 | (1) 2M x 32 | (1) 256K x | (1) 256K x | | | | | 32 | 32 | |------+-------------+-------------+------------+------------| | 20MB | (1) 2M x 32 | (1) 2M x 32 | (1) 1M x | NONE | | | | | 32 | | |------+-------------+-------------+------------+------------| | 24MB | (1) 2M x 32 | (1) 2M x 32 | (1) 1M x | (1) 1M x | | | | | 32 | 32 | |------+-------------+-------------+------------+------------| | 24MB | (1) 2M x 32 | (1) 2M x 32 | (1) 2M x | NONE | | | | | 32 | | |------+-------------+-------------+------------+------------| | 32MB | (1) 2M x 32 | (1) 2M x 32 | (1) 2M x | (1) 2M x | | | | | 32 | 32 | |------+-------------+-------------+------------+------------| | 32MB | (1) 8M x 32 | NONE | NONE | NONE | |------+-------------+-------------+------------+------------| | 32MB | (1) 4M x 32 | (1) 4M x 32 | NONE | NONE | |------+-------------+-------------+------------+------------| | 33MB | (1) 4M x 32 | (1) 4M x 32 | (1) 256K x | NONE | | | | | 32 | | |------+-------------+-------------+------------+------------| | 34MB | (1) 4M x 32 | (1) 4M x 32 | (1) 256K x | (1) 256K x | | | | | 32 | 32 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+----------+--------------+------------| | 36MB | (1) 4M x 32 | (1) 4M x | (1) 1M x 32 | NONE | | | | 32 | | | |-------+-------------+----------+--------------+------------| | 40MB | (1) 4M x 32 | (1) 4M x | (1) 1M x 32 | (1) 1M x | | | | 32 | | 32 | |-------+-------------+----------+--------------+------------| | 40MB | (1) 4M x 32 | (1) 4M x | (1) 2M x 32 | NONE | | | | 32 | | | |-------+-------------+----------+--------------+------------| | 48MB | (1) 4M x 32 | (1) 4M x | (1) 2M x 32 | (1) 2M x | | | | 32 | | 32 | |-------+-------------+----------+--------------+------------| | 48MB | (1) 4M x 32 | (1) 4M x | (1) 4M x 32 | NONE | | | | 32 | | | |-------+-------------+----------+--------------+------------| | 64MB | (1) 4M x 32 | (1) 4M x | (1) 4M x 32 | (1) 4M x | | | | 32 | | 32 | |-------+-------------+----------+--------------+------------| | 64MB | (1) 8M x 32 | (1) 8M x | NONE | NONE | | | | 32 | | | |-------+-------------+----------+--------------+------------| | 66MB | (1) 8M x 32 | (1) 8M x | (1) 256K x | (1) 256K x | | | | 32 | 32 | 32 | |-------+-------------+----------+--------------+------------| | 68MB | (1) 8M x 32 | (1) 8M x | (1) 1M x 32 | NONE | | | | 32 | | | |-------+-------------+----------+--------------+------------| | 72MB | (1) 8M x 32 | (1) 8M x | (1) 1M x 32 | (1) 1M x | | | | 32 | | 32 | |-------+-------------+----------+--------------+------------| | 72MB | (1) 8M x 32 | (1) 8M x | (1) 2M x 32 | NONE | | | | 32 | | | |-------+-------------+----------+--------------+------------| | 80MB | (1) 8M x 32 | (1) 8M x | (1) 2M x 32 | (1) 2M x | | | | 32 | | 32 | |-------+-------------+----------+--------------+------------| | 80MB | (1) 8M x 32 | (1) 8M x | (1) 4M x 32 | NONE | | | | 32 | | | |-------+-------------+----------+--------------+------------| | 96MB | (1) 8M x 32 | (1) 8M x | (1) 4M x 32 | (1) 4M x | | | | 32 | | 32 | |-------+-------------+----------+--------------+------------| | 96MB | (1) 8M x 32 | (1) 8M x | (1) 8M x 32 | NONE | | | | 32 | | | |-------+-------------+----------+--------------+------------| | 128MB | (1) 8M x 32 | (1) 8M x | (1) 8M x 32 | (1) 8M x | | | | 32 | | 32 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | TAG | |------------------+--------------------+--------------------| | 128KB | (4) 32K x 8 | (1) 8K x 8 | |------------------+--------------------+--------------------| | 256KB | (4) 64K x 8 | (1) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP16 | JP17 | |------------------+--------------------+--------------------| | 128KB | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 256KB | pins 2 & 3 closed | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP3 | JP4 | JP5 | JP6 | JP7 | |------------+---------+---------+---------+---------+-------| | Cyrix 486 | Closed | Open | Open | Open | Open | |------------+---------+---------+---------+---------+-------| | Intel 486 | Open | Closed | Closed | Closed | Open | |------------+---------+---------+---------+---------+-------| | Cyrix 5x86 | Open | Closed | Closed | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION (CON'T) | |------------------------------------------------------------| | Type | JP8 | JP9 | JP20 | JP21 | JP22 | JP23 | |----------+--------+--------+--------+------+--------+------| | Cyrix | Open | Closed | Closed | Open | Closed | Open | | 486 | | | | | | | |----------+--------+--------+--------+------+--------+------| | Intel | Closed | Open | Open | Open | Open | Open | | 486 | | | | | | | |----------+--------+--------+--------+------+--------+------| | Cyrix | Closed | Open | Open | Open | Open | Open | | 5x86 | | | | | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JP11 | |----------------------------+-------------------------------| | SX | pins 2 & 3 closed | |----------------------------+-------------------------------| | DX | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JP1 | JP19 | |------------------+--------------------+--------------------| | 20MHz | pins 1 & 2 closed | pins 1 & 2 closed | |------------------+--------------------+--------------------| | 25MHz | pins 1 & 2 closed | pins 3 & 4 closed | |------------------+--------------------+--------------------| | 33MHz | pins 1 & 2 closed | pins 5 & 6 closed | |------------------+--------------------+--------------------| | 50iMHz | pins 1 & 2 closed | pins 3 & 4 closed | |------------------+--------------------+--------------------| | 66iMHz | pins 1 & 2 closed | pins 5 & 6 closed | |------------------+--------------------+--------------------| | 75iMHz | pins 1 & 2 closed | pins 3 & 4 closed | |------------------+--------------------+--------------------| | 100iMHz | pins 1 & 2 closed | pins 5 & 6 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | V1 | V2 | V3 | V4 | |------------+-----------+-----------+-----------+-----------| | 3.45v | Open | Open | Open | Open | |------------+-----------+-----------+-----------+-----------| | 5v | Closed | Closed | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VIDEO MEMORY CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 1MB | (2) 512K x 8 | NONE | |------------------+--------------------+--------------------| | 2MB | (2) 512K x 8 | (2) 512K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | MISCELLANEOUS TECHNICAL NOTE | |------------------------------------------------------------| | Note: The location of pin 1 on the jumpers is | | unidentified. | +------------------------------------------------------------+