DIGITAL EQUIPMENT CORPORATION PC 3400, PC 5400 Device Type Mainboard Processor Pentium Pro Processor Speed 150/166/180/200/210/233/240/266MHz Chip Set Intel Video Chip Set ESS Maximum Onboard 192MB (EDO supported) Memory Maximum Video Memory 2MB WRAM Cache 256KB (located on Pentium Pro CPU) BIOS Unidentified Dimensions 254mm x 218mm I/O Options (CPU) Parallel port, PS/2 mouse port, serial ports (2), VGA feature connector, VGA port, VRM connector, USB connectors (2) I/O Options 32-bit PCI slots (2), IDE interfaces (2), floppy (backplane) drive interface, game/MIDI port, parallel port, 100Base-T connector, 10Base-2 connector, audio in - CD-ROM, fax/modem connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port CN1 PS/2 mouse port CN6 Serial port CN2 Parallel port CN7 USB connector 1 CN3 VGA feature connector CN8 USB connector 2 CN4 Video upgrade CN9 connectors VGA port CN5 VRM connector VRM USER CONFIGURABLE SETTINGS Function Label Position » Boot block update disabled J27 Pins 1 & 2 closed Boot block update enabled J27 Pins 2 & 3 closed » Password disabled SW1/5 Off Password enabled SW1/5 On » BIOS normal operation SW1/6 Off BIOS recovery mode SW1/6 On » CMOS memory normal operation SW1/7 Off CMOS memory clear SW1/7 On » Factory configured - do not alter SW1/8 On SIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB (2) 1M x 36 None None 16MB (2) 1M x 36 (2) 1M x 36 None 16MB (2) 2M x 36 None None 24MB (2) 1M x 36 (2) 1M x 36 (2) 1M x 36 32MB (2) 2M x 36 (2) 2M x 36 None 32MB (2) 4M x 36 None None 48MB (2) 2M x 36 (2) 2M x 36 (2) 2M x 36 64MB (2) 4M x 36 (2) 4M x 36 None 64MB (2) 8M x 36 None None 96MB (2) 4M x 36 (2) 4M x 36 (2) 4M x 36 128MB (2) 8M x 36 (2) 8M x 36 None 128MB (2) 16M x 36 None None 136MB (2) 16M x 36 (2) 1M x 36 None 144MB (2) 16M x 36 (2) 1M x 36 (2) 1M x 36 SIMM CONFIGURATION (CON’T) Size Bank 0 Bank 1 Bank 2 144MB (2) 16M x 36 (2) 2M x 36 None 160MB (2) 16M x 36 (2) 2M x 36 (2) 2M x 36 160MB (2) 16M x 36 (2) 4M x 36 None 192MB (2) 16M x 36 (2) 4M x 36 (2) 4M x 36 192MB (2) 16M x 36 (2) 8M x 36 None 192MB (2) 8M x 36 (2) 8M x 36 (2) 8M x 36 CACHE CONFIGURATION Note: 256KB cache is located on the Pentium Pro CPU. VIDEO MEMORY CONFIGURATION Note: 1MB video memory is factory installed and is not configurable. To increase to 2MB, install upgrade module at CN9. CPU SPEED SELECTION CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 150MHz 60MHz 2.5x Off Off On On 166MHz 66MHz 2.5x On Off On On 180MHz 60MHz 3x Off On Off On 200MHz 66MHz 3x On On Off On 210MHz 60MHz 3.5x Off Off Off On 240MHz 60MHz 4x Off On On Off 233MHz 66MHz 3.5x On Off Off On 266MHz 66MHz 4x On On On Off [Image] CONNECTIONS Purpose Location Purpose Location Logic board connectors CN1 SCSI interface CN9 LED Video in connector CN2 Game/MIDI port CN10 IDE interface 1 CN3 Audio in – CD-ROM CN11 IDE interface 2 CN4 Fax/modem CN12 connector Floppy drive interface CN5 Audio connector CN13 100Base-T connector CN6 Control panel CN14 connector 10Base-T/10Base-2 CN7 32-bit PCI slots PC1 – PC2 connector Chassis fan power CN8