COMPAQ COMPUTER CORPORATION =========================== PRESARIO CDS 774/972/974/982/992 PRESARIO CDTV 978 Processor Pentium Processor 75/90/100MHz Speed Chip Set Unidentified Max. Onboard 136MB DRAM Cache 256KB BIOS Unidentified Dimensions 330mm x 218mm I/O Options Parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, modem port, CD-ROM audio connector, modem audio connector, video memory interface NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-----------------+----------+--------------------+----------| | VGA port | CN1 | Video memory | J4, J12 | | | | connector | | |-----------------+----------+--------------------+----------| | PS/2 mouse port | CN2 | External battery | J5 | |-----------------+----------+--------------------+----------| | Keyboard port | CN3 | Modem audio | J7 | | | | connector | | |-----------------+----------+--------------------+----------| | Modem port | CN4 | CD-ROM audio | J10 | | | | connector | | |-----------------+----------+--------------------+----------| | Modem port | CN5 | Serial port 2 | J14 | |-----------------+----------+--------------------+----------| | Serial port 1 | CN6 | VGA feature | J20 | | | | connector | | |-----------------+----------+--------------------+----------| | Parallel port | CN7 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |--------------------------------------+--------+------------| |>> | Factory configured - do not | J16 | N/A | | | alter | | | |---+----------------------------------+--------+------------| |>> | CMOS memory normal operation | P2 | Closed | |---+----------------------------------+--------+------------| | | CMOS memory clear | P2 | Open | |---+----------------------------------+--------+------------| |>> | Password enabled | P3 | pins 1 & 2 | | | | | closed | |---+----------------------------------+--------+------------| | | Password disabled | P3 | pins 2 & 3 | | | | | closed | |---+----------------------------------+--------+------------| |>> | CPU core to bus ratio speed | P11 | pins 1 & 2 | | | select 1.5x | | closed | |---+----------------------------------+--------+------------| | | CPU core to bus ratio speed | P11 | pins 2 & 3 | | | select 2x | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (75MHZ CPU ONLY) | |------------------------------------------------------------| | Size | Bank 0A | Bank 0 | Bank 1 | |-----------+-------------+-----------------+----------------| | 20MB | 12MB | (2) 1M x 36 | NONE | |-----------+-------------+-----------------+----------------| | 28MB | 12MB | (2) 1M x 36 | (2) 1M x 36 | |-----------+-------------+-----------------+----------------| | 28MB | 12MB | (2) 2M x 36 | NONE | |-----------+-------------+-----------------+----------------| | 36MB | 12MB | (2) 1M x 36 | (2) 2M x 36 | |-----------+-------------+-----------------+----------------| | 36MB | 12MB | (2) 2M x 36 | (2) 1M x 36 | |-----------+-------------+-----------------+----------------| | 44MB | 12MB | (2) 2M x 36 | (2) 2M x 36 | |-----------+-------------+-----------------+----------------| | 44MB | 12MB | (2) 4M x 36 | NONE | |-----------+-------------+-----------------+----------------| | 52MB | 12MB | (2) 1M x 36 | (2) 4M x 36 | |-----------+-------------+-----------------+----------------| | 52MB | 12MB | (2) 4M x 36 | (2) 1M x 36 | |-----------+-------------+-----------------+----------------| | 60MB | 12MB | (2) 2M x 36 | (2) 4M x 36 | |-----------+-------------+-----------------+----------------| | 60MB | 12MB | (2) 4M x 36 | (2) 2M x 36 | |-----------+-------------+-----------------+----------------| | 76MB | 12MB | (2) 4M x 36 | (2) 4M x 36 | |-----------+-------------+-----------------+----------------| | 76MB | 12MB | (2) 8M x 36 | NONE | |-----------+-------------+-----------------+----------------| | 84MB | 12MB | (2) 1M x 36 | (2) 8M x 36 | |-----------+-------------+-----------------+----------------| | 84MB | 12MB | (2) 8M x 36 | (2) 1M x 36 | |-----------+-------------+-----------------+----------------| | 92MB | 12MB | (2) 2M x 36 | (2) 8M x 36 | |-----------+-------------+-----------------+----------------| | 92MB | 12MB | (2) 8M x 36 | (2) 2M x 36 | |-----------+-------------+-----------------+----------------| | 108MB | 12MB | (2) 4M x 36 | (2) 8M x 36 | |-----------+-------------+-----------------+----------------| | 108MB | 12MB | (2) 8M x 36 | (2) 4M x 36 | |-----------+-------------+-----------------+----------------| | 136MB | 12MB | (2) 8M x 36 | (2) 8M x 36 | |------------------------------------------------------------| | Note: Bank 0A is factory installed and is not | | configurable. Only 8MB of the onboard memory is used when | | 136MB is installed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (75MHZ & 90MHZ CPU ONLY) | |------------------------------------------------------------| | Size | Bank 0A | Bank 0 | Bank 1 | |-------------+--------------+---------------+---------------| | 16MB | 8MB | (2) 1M x 36 | NONE | |-------------+--------------+---------------+---------------| | 24MB | 8MB | (2) 1M x 36 | (2) 1M x 36 | |-------------+--------------+---------------+---------------| | 24MB | 8MB | (2) 2M x 36 | NONE | |-------------+--------------+---------------+---------------| | 32MB | 8MB | (2) 1M x 36 | (2) 2M x 36 | |-------------+--------------+---------------+---------------| | 32MB | 8MB | (2) 2M x 36 | (2) 1M x 36 | |-------------+--------------+---------------+---------------| | 40MB | 8MB | (2) 2M x 36 | (2) 2M x 36 | |-------------+--------------+---------------+---------------| | 40MB | 8MB | (2) 4M x 36 | NONE | |-------------+--------------+---------------+---------------| | 48MB | 8MB | (2) 1M x 36 | (2) 4M x 36 | |-------------+--------------+---------------+---------------| | 48MB | 8MB | (2) 4M x 36 | (2) 1M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (75MHZ & 90MHZ CPU ONLY CON'T) | |------------------------------------------------------------| | Size | Bank 0A | Bank 0 | Bank 1 | |------------+--------------+----------------+---------------| | 56MB | 8MB | (2) 2M x 36 | (2) 4M x 36 | |------------+--------------+----------------+---------------| | 56MB | 8MB | (2) 4M x 36 | (2) 2M x 36 | |------------+--------------+----------------+---------------| | 72MB | 8MB | (2) 4M x 36 | (2) 4M x 36 | |------------+--------------+----------------+---------------| | 72MB | 8MB | (2) 8M x 36 | NONE | |------------+--------------+----------------+---------------| | 80MB | 8MB | (2) 1M x 36 | (2) 8M x 36 | |------------+--------------+----------------+---------------| | 80MB | 8MB | (2) 8M x 36 | (2) 1M x 36 | |------------+--------------+----------------+---------------| | 88MB | 8MB | (2) 2M x 36 | (2) 8M x 36 | |------------+--------------+----------------+---------------| | 88MB | 8MB | (2) 8M x 36 | (2) 2M x 36 | |------------+--------------+----------------+---------------| | 104MB | 8MB | (2) 4M x 36 | (2) 8M x 36 | |------------+--------------+----------------+---------------| | 104MB | 8MB | (2) 8M x 36 | (2) 4M x 36 | |------------+--------------+----------------+---------------| | 136MB | 8MB | (2) 8M x 36 | (2) 8M x 36 | |------------------------------------------------------------| | Note: Bank 0A is factory installed and is not | | configurable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (100MHZ CPU ONLY) | |------------------------------------------------------------| | Size | Bank 0A | Bank 0 | Bank 1 | |-----------+-------------+-----------------+----------------| | 24MB | 16MB | (2) 1M x 36 | NONE | |-----------+-------------+-----------------+----------------| | 32MB | 16MB | (2) 1M x 36 | (2) 1M x 36 | |-----------+-------------+-----------------+----------------| | 32MB | 16MB | (2) 2M x 36 | NONE | |-----------+-------------+-----------------+----------------| | 40MB | 16MB | (2) 1M x 36 | (2) 2M x 36 | |-----------+-------------+-----------------+----------------| | 40MB | 16MB | (2) 2M x 36 | (2) 1M x 36 | |-----------+-------------+-----------------+----------------| | 48MB | 16MB | (2) 2M x 36 | (2) 2M x 36 | |-----------+-------------+-----------------+----------------| | 48MB | 16MB | (2) 4M x 36 | NONE | |-----------+-------------+-----------------+----------------| | 56MB | 16MB | (2) 1M x 36 | (2) 4M x 36 | |-----------+-------------+-----------------+----------------| | 56MB | 16MB | (2) 4M x 36 | (2) 1M x 36 | |-----------+-------------+-----------------+----------------| | 64MB | 16MB | (2) 2M x 36 | (2) 4M x 36 | |-----------+-------------+-----------------+----------------| | 64MB | 16MB | (2) 4M x 36 | (2) 2M x 36 | |-----------+-------------+-----------------+----------------| | 80MB | 16MB | (2) 4M x 36 | (2) 4M x 36 | |-----------+-------------+-----------------+----------------| | 80MB | 16MB | (2) 8M x 36 | NONE | |-----------+-------------+-----------------+----------------| | 88MB | 16MB | (2) 1M x 36 | (2) 8M x 36 | |-----------+-------------+-----------------+----------------| | 88MB | 16MB | (2) 8M x 36 | (2) 1M x 36 | |-----------+-------------+-----------------+----------------| | 96MB | 16MB | (2) 2M x 36 | (2) 8M x 36 | |-----------+-------------+-----------------+----------------| | 96MB | 16MB | (2) 8M x 36 | (2) 2M x 36 | |-----------+-------------+-----------------+----------------| | 112MB | 16MB | (2) 4M x 36 | (2) 8M x 36 | |-----------+-------------+-----------------+----------------| | 112MB | 16MB | (2) 8M x 36 | (2) 4M x 36 | |-----------+-------------+-----------------+----------------| | 136MB | 16MB | (2) 8M x 36 | (2) 8M x 36 | |------------------------------------------------------------| | Note: Bank 0A is factory installed and is not | | configurable. Only 8MB of the onboard memory is used when | | 136MB is installed. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Note: This board is factory installed with 256KB. It is | | not configurable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU BUS SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | P5 | |----------------------------+-------------------------------| | 50MHz | pins 2 & 3 closed | |----------------------------+-------------------------------| | 60MHz | pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VIDEO MEMORY CONFIGURATION | |------------------------------------------------------------| | Note: To upgrade video memory, install video module on | | jumpers J4 & J12. | +------------------------------------------------------------+