DIGITAL EQUIPMENT CORPORATION DIGITAL SERVER 500 Device Type Mainboard Processor AM K5/AM K6/Pentium Processor Speed 90/120/133/150/166/200/233/266/300/333/366MHz Chip Set Intel 430TX Video Chip Set Cirrus Logic Video Types Unidentified Supported Highest Unidentified Resolution Supported Maximum Onboard 256MB (SDRAM supported) Memory Maximum Video 4MB Memory Audio Chip Set Crystal Cache 512KB BIOS Unidentified Dimensions 254mm x 218mm I/O Options Ethernet 10BaseT connector, parallel port, PS/2 mouse (mainboard) port, serial ports (2), VGA feature connector, VGA port, USB connectors (2), VRM connector I/O Options IDE interfaces (2), floppy drive interface, audio in – (backplane) CD-ROM, fax/modem connector 32-bit PCI slots (2) [Image] CONNECTIONS Purpose Location Purpose Location Serial port CN1 Ethernet 10BaseT CN6 connector VGA port CN2 Parallel port CN7 USB connector CN3 VGA feature connector CN8 USB connector CN4 VRM connector VRM PS/2 mouse port CN5 USER CONFIGURABLE SETTINGS Function Label Position » Password normal operation SW1/2 Off Password clear SW1/2 On » BIOS normal operation SW1/3 Off BIOS recovery mode SW1/3 On » CMOS memory normal operation SW1/4 Off CMOS memory clear SW1/4 On » BIOS write disabled SW1/5 Off BIOS write enabled SW1/5 On DIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 16MB (1) 2M x 64 None None 32MB (1) 4M x 64 None None 32MB (1) 2M x 64 (1) 2M x 64 None 48MB (1) 4M x 64 (1) 2M x 64 None 48MB (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 64MB (1) 8M x 64 None None 64MB (1) 4M x 64 (1) 2M x 64 (1) 2M x 64 64MB (1) 4M x 64 (1) 4M x 64 None 80MB (1) 8M x 64 (1) 2M x 64 None 80MB (1) 4M x 64 (1) 4M x 64 (1) 2M x 64 96MB (1) 8M x 64 (1) 2M x 64 (1) 2M x 64 96MB (1) 8M x 64 (1) 4M x 64 None 96MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 112MB (1) 8M x 64 (1) 4M x 64 (1) 2M x 64 128MB (1) 16M x 64 None None 128MB (1) 8M x 64 (1) 4M x 64 (1) 4M x 64 128MB (1) 8M x 64 (1) 8M x 64 None 144MB (1) 8M x 64 (1) 8M x 64 (1) 2M x 64 160MB (1) 16M x 64 (1) 2M x 64 (1) 2M x 64 160MB (1) 16M x 64 (1) 4M x 64 None 160MB (1) 8M x 64 (1) 8M x 64 (1) 4M x 64 176MB (1) 16M x 64 (1) 4M x 64 (1) 2M x 64 192MB (1) 16M x 64 (1) 4M x 64 (1) 4M x 64 DIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 192MB (1) 16M x 64 (1) 8M x 64 None 192MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 208MB (1) 16M x 64 (1) 8M x 64 (1) 2M x 64 224MB (1) 16M x 64 (1) 8M x 64 (1) 4M x 64 256MB (1) 16M x 64 (1) 16M x 64 None Note: Board accepts SDRAM memory. CACHE CONFIGURATION Size Bank 0 512KB (2) 64K x 32 VIDEO MEMORY CONFIGURATION Note: 2MB video memory is factory installed and is not configurable. To increase to 4MB, install upgrade module at CN9. CPU SPEED SELECTION (AM K5) CPU Clock Multiplier SW1/1 SW1/6 SW1/7 SW1/8 speed speed 90MHz 60MHz 1.5x Off Off Off Off 120MHz 60MHz 2x Off Off On Off 133MHz 66MHz 2x On Off On Off 150MHz 60MHz 2.5x Off Off On On 166MHz 66MHz 2.5x On Off On On 200MHz 66MHz 3x On Off Off On CPU SPEED SELECTION (AM K6) CPU Clock Multiplier SW1/1 SW1/6 SW1/7 SW1/8 speed speed 166MHz 66MHz 2.5x On Off On On 200MHz 66MHz 3x On Off Off On 233MHz 66MHz 3.5x On Off Off Off 266MHz 66MHz 4x On On On Off 300MHz 66MHz 4.5x On On On On 333MHz 66MHz 5x On On Off On 366MHz 66MHz 5.5x On On Off Off CPU SPEED SELECTION (INTEL) CPU Clock Multiplier SW1/1 SW1/6 SW1/7 SW1/8 speed speed 90MHz 60MHz 1.5x Off Off Off Off 120MHz 60MHz 2x Off Off On Off 133MHz 66MHz 2x On Off On Off 150MHz 60MHz 2.5x Off Off On On 166MHz 66MHz 2.5x On Off On On 200MHz 66MHz 3x On Off Off On CPU SPEED SELECTION (INTEL MMX) CPU Clock Multiplier SW1/1 SW1/6 SW1/7 SW1/8 speed speed 166MHz 66MHz 2.5x On Off On On 200MHz 66MHz 3x On Off Off On 233MHz 66MHz 3.5x On Off Off Off [Image] CONNECTIONS Purpose Location Purpose Location Micro switch CN1 Control panel CN7 connector connector IDE interface 1 CN2 Fax/modem connector CN8 IDE interface 2 CN3 Audio in – CD-ROM CN9 Floppy drive CN4 Audio rear panel CN10 interface connector SCSI interface LED CN5 Main logic board CN11 connector Chassis fan power CN6 32-bit PCI slots PC1 – PC2