COMPAQ COMPUTER CORPORATION =========================== PRESARIO 600 SERIES (486 WITH 4MB) Processor 80486SX/80487SX/ODP486SX/80486DX/80486DX2 Processor 25/33/50(internal)/66(internal)MHz Speed Chip Set Unidentified Max. Onboard 56MB DRAM Cache None BIOS Unidentified Dimensions 258mm x 218mm I/O Options Riser card slot, floppy drive interface, IDE interface, VGA port, serial ports (2), parallel port, PS/2 mouse port NPU Options 80487 +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |--------------------+----------+-----------------+----------| | IDE interface | J1 | Serial port 1 | P2 | |--------------------+----------+-----------------+----------| | External | J5 | Serial port 2 | P3 | |--------------------+----------+-----------------+----------| | PS/2 mouse port | J7 | VGA port | P4 | |--------------------+----------+-----------------+----------| | Floppy drive | J8 | Riser card slot | SL1 | | interface | | | | |--------------------+----------+-----------------+----------| | Parallel port | P1 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Factory configured - do not | J2 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | I/O address type select | J13 | pins 1 & 2 | | | 398h/399h | | closed | |---+----------------------------------+--------+------------| | | I/O address type select | J13 | pins 1 & 2 | | | 26Eh/26Fh | | closed | |---+----------------------------------+--------+------------| |>> | PGA CPU enabled | P7 | Open | |---+----------------------------------+--------+------------| | | PGA CPU disabled | P7 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| | | PQFP CPU enabled | P7 | Open | |---+----------------------------------+--------+------------| |>> | CMOS memory normal operation | P14 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | CMOS memeory clear | P14 | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0A | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+---------+----------+----------+----------+----------| | 4MB | 4MB | NONE | NONE | NONE | NONE | |------+---------+----------+----------+----------+----------| | 5MB | 4MB | (1) 256K | NONE | NONE | NONE | | | | x 36 | | | | |------+---------+----------+----------+----------+----------| | 6MB | 4MB | (1) 256K | (1) 256K | NONE | NONE | | | | x 36 | x 36 | | | |------+---------+----------+----------+----------+----------| | 6MB | 4MB | (1) 512K | NONE | NONE | NONE | | | | x 36 | | | | |------+---------+----------+----------+----------+----------| | 7MB | 4MB | (1) 256K | (1) 256K | (1) 256K | NONE | | | | x 36 | x 36 | x 36 | | |------+---------+----------+----------+----------+----------| | 8MB | 4MB | (1) 256K | (1) 256K | (1) 256K | (1) 256K | | | | x 36 | x 36 | x 36 | x 36 | |------+---------+----------+----------+----------+----------| | 8MB | 4MB | (1) 512K | (1) 512K | NONE | NONE | | | | x 36 | x 36 | | | |------+---------+----------+----------+----------+----------| | 8MB | 4MB | (1) 1M x | NONE | NONE | NONE | | | | 36 | | | | |------+---------+----------+----------+----------+----------| | 10MB | 4MB | (1) 512K | (1) 512K | (1) 512K | NONE | | | | x 36 | x 36 | x 36 | | |------+---------+----------+----------+----------+----------| | 10MB | 4MB | (1) 512K | (1) 512K | (1) 256K | (1) 256K | | | | x 36 | x 36 | x 36 | x 36 | |------+---------+----------+----------+----------+----------| | 10MB | 4MB | (1) 256K | (1) 256K | (1) 512K | (1) 512K | | | | x 36 | x 36 | x 36 | x 36 | |------+---------+----------+----------+----------+----------| | 12MB | 4MB | (1) 512K | (1) 512K | (1) 512K | (1) 512K | | | | x 36 | x 36 | x 36 | x 36 | |------+---------+----------+----------+----------+----------| | 12MB | 4MB | (1) 1M x | (1) 1M x | NONE | NONE | | | | 36 | 36 | | | |------+---------+----------+----------+----------+----------| | 12MB | 4MB | (1) 2M x | NONE | NONE | NONE | | | | 36 | | | | |------+---------+----------+----------+----------+----------| | 14MB | 4MB | (1) 1M x | (1) 1M x | (1) 256K | (1) 256K | | | | 36 | 36 | x 36 | x 36 | |------+---------+----------+----------+----------+----------| | 14MB | 4MB | (1) 256K | (1) 256K | (1) 1M x | (1) 1M x | | | | x 36 | x 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 16MB | 4MB | (1) 1M x | (1) 1M x | (1) 1M x | NONE | | | | 36 | 36 | 36 | | |------+---------+----------+----------+----------+----------| | 16MB | 4MB | (1) 1M x | (1) 1M x | (1) 512K | (1) 512K | | | | 36 | 36 | x 36 | x 36 | |------+---------+----------+----------+----------+----------| | 16MB | 4MB | (1) 512K | (1) 512K | (1) 1M x | (1) 1M x | | | | x 36 | x 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 20MB | 4MB | (1) 1M x | (1) 1M x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 20MB | 4MB | (1) 2M x | (1) 2M x | NONE | NONE | | | | 36 | 36 | | | |------+---------+----------+----------+----------+----------| | 20MB | 4MB | (1) 4M x | NONE | NONE | NONE | | | | 36 | | | | |------+---------+----------+----------+----------+----------| | 22MB | 4MB | (1) 2M x | (1) 2M x | (1) 256K | (1) 256K | | | | 36 | 36 | x 36 | x 36 | |------+---------+----------+----------+----------+----------| | 22MB | 4MB | (1) 256K | (1) 256K | (1) 2M x | (1) 2M x | | | | x 36 | x 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 24MB | 4MB | (1) 2M x | (1) 2M x | (1) 512K | (1) 512K | | | | 36 | 36 | x 36 | x 36 | |------+---------+----------+----------+----------+----------| | 24MB | 4MB | (1) 512K | (1) 512K | (1) 2M x | (1) 2M x | | | | x 36 | x 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 28MB | 4MB | (1) 2M x | (1) 2M x | (1) 2M x | NONE | | | | 36 | 36 | 36 | | |------+---------+----------+----------+----------+----------| | 28MB | 4MB | (1) 2M x | (1) 2M x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 28MB | 4MB | (1) 1M x | (1) 1M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 36MB | 4MB | (1) 2M x | (1) 2M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 36MB | 4MB | (1) 4M x | (1) 4M x | NONE | NONE | | | | 36 | 36 | | | |------+---------+----------+----------+----------+----------| | 36MB | 4MB | (1) 8M x | NONE | NONE | NONE | | | | 36 | | | | |------+---------+----------+----------+----------+----------| | 38MB | 4MB | (1) 4M x | (1) 4M x | (1) 256K | (1) 256K | | | | 36 | 36 | x 36 | x 36 | |------------------------------------------------------------| | Note: Bank 0A is factory installed and not configurable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0A | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+---------+----------+----------+----------+----------| | 38MB | 4MB | (1) 256K | (1) 256K | (1) 4M x | (1) 4M x | | | | x 36 | x 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 40MB | 4MB | (1) 4M x | (1) 4M x | (1) 512K | (1) 512K | | | | 36 | 36 | x 36 | x 36 | |------+---------+----------+----------+----------+----------| | 40MB | 4MB | (1) 512K | (1) 512K | (1) 4M x | (1) 4M x | | | | x 36 | x 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 44MB | 4MB | (1) 4M x | (1) 4M x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 44MB | 4MB | (1) 1M x | (1) 1M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 52MB | 4MB | (1) 4M x | (1) 4M x | (1) 4M x | NONE | | | | 36 | 36 | 36 | | |------+---------+----------+----------+----------+----------| | 52MB | 4MB | (1) 4M x | (1) 4M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 52MB | 4MB | (1) 2M x | (1) 2M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | 36 | |------+---------+----------+----------+----------+----------| | 56MB | 4MB | (1) 4M x | (1) 4M x | (1) 4M x | (1) 1M x | | | | 36 | 36 | 36 | 36 | |------------------------------------------------------------| | Note: Bank 0A is factory installed and not configurable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | P9 | P10 | P11 | |---------------+------------------+------------+------------| | 80486SX (PGA) | pins 1 & 2 | pins 1 & 2 | pins 3 & 4 | | | closed | closed | closed | |---------------+------------------+------------+------------| | 80486SX | pins 2 & 3 | pins 1 & 2 | pins 3 & 4 | | (PQFP) | closed | closed | closed | |---------------+------------------+------------+------------| | 80487SX | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | |---------------+------------------+------------+------------| | 80486DX | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | |---------------+------------------+------------+------------| | 80486DX2 | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | CPU speed | P8 | |----------------------------+-------------------------------| | 25MHz | pins 2 & 3 closed | |----------------------------+-------------------------------| | 33MHz | pins 1 & 2 closed | |----------------------------+-------------------------------| | 50iMHz | pins 2 & 3 closed | |----------------------------+-------------------------------| | 66iMHz | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | ON-BOARD VIDEO CONFIGURATION | |------------------------------------------------------------| | Setting | P5 | P6 | |------------------+--------------------+--------------------| | Disabled | Open | Open | |------------------+--------------------+--------------------| | Enabled | pins 1 & 2 closed | pins 1 & 2 closed | +------------------------------------------------------------+