COMPAQ COMPUTER CORPORATION PRESARIO CDS 774/972/974/982/992 PRESARIO CDTV 978 Processor Pentium Processor Speed 75/90/100MHz Chip Set Unidentified Max. Onboard DRAM 136MB 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 [Image] CONNECTIONS Purpose Location Purpose Location VGA port CN1 Video memory connector J4, J12 PS/2 mouse port CN2 External battery J5 Keyboard port CN3 Modem audio connector J7 Modem port CN4 CD-ROM audio connector J10 Modem port CN5 Serial port 2 J14 Serial port 1 CN6 VGA feature connector J20 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.