| Microprocessor |
| Microprocessor type |
Intel® Pentium® II
microprocessor that runs at 350, 400, or 450 MHz internally and 100 MHz
externally. |
| Internal cache |
32-KB (16-KB data cache; 16-KB instruction
cache) |
| L2 cache |
512-KB pipelined burst, four-way
set-associative, write-back ECC SRAM on each SEC cartridge |
| Math coprocessor |
internal to the microprocessor |
| System
Information |
| System chip set |
Intel 440BX PCIset |
| Data bus width |
64 bits |
| Address bus width |
32 bits |
| DMA channels |
seven |
| Interrupt levels |
15 |
| System BIOS chip |
4 Mb |
| Primary SCSI controller |
Adaptec 7890 Ultra2/Wide LVD (Adaptec 2940
U2W-equivalent) |
| I/O controller |
National PC 87309 |
| Expansion
Bus |
| Bus types |
PCI and ISA |
| Bus speed |
PCI: 33.3 MHz
ISA: 8.33 MHz |
| PCI expansion-card connectors |
six (one of the PCI connectors shares a
card-slot opening with the ISA connector) |
| ISA expansion-card connectors |
one (the ISA connector shares a card-slot
opening with one of the PCI connectors) |
| PCI expansion-card connector size |
120 pins |
PCI expansion-card connector data
width (maximum) |
32 bits |
| ISA expansion-card connector size |
98 pins |
ISA expansion-card connector data
width (maximum) |
16 bits |
| System
Clocks |
| System clock |
100 MHz |
| SDRAM memory clock |
100 MHz |
| I/O APIC clock |
14 MHz |
| Diskette/communications ports |
48 MHz |
| USB clock |
48 MHz |
| Memory |
| Architecture |
72-bit ECC SDRAM |
| DIMM sockets |
four |
| DIMM capacities |
64- and 128-MB unbuffered, 72-bit SDRAM;
256-MB registered, 72-bit SDRAM |
| Standard RAM |
64 MB |
| Maximum RAM |
1 GB |
| BIOS address |
F000:0000h-F000:FFFFh |
| Drives |
| Externally accessible bays |
three 5.25-inch bays accommodate one 3.5-inch
diskette drive (standard), one IDE CD-ROM drive (optional) and one other
optional 5.25-inch peripheral |
| Internally accessible bays |
removable drive cage accommodates up to two 1.6
and two 1-inch SCSI hard-disk drives, or up to four 1-inch SCSI
hard-disk drives. |
| Ports
and Connectors |
| Externally accessible |
| Serial (DTE) |
two 9-pin connectors; 16550-compatible |
| Parallel |
one 25-pin connector (bidirectional) |
| Video |
one 15-pin connector |
| PS/2-style keyboard |
6-pin mini-DIN connector |
| PS/2-compatible mouse |
6-pin mini-DIN connector |
| USB |
two USB-compliant 4-pin connectors |
| Internally accessible |
| EIDE channel |
two 40-pin connectors on PCI local bus |
| SCSI channel |
one 68-pin Ultra2/Wide SCSI connector |
| Diskette drive |
one 34-pin connector |
| Fan |
3-pin connector |
| Control panel
connectors: |
| Thermal sensor |
3-pin connector |
| Chassis intrusion |
2-pin connector |
| Video |
| Video type |
ATI RAGE IIC AGP integrated video controller |
| Key
Combinations |
| <Ctrl><Alt><Del> |
restarts (reboots) the system |
| <F2> |
starts System Setup program (during POST only) |
| Controls
and Indicators |
| Reset control |
push button |
| Power control |
push button |
| Power indicator/sleep mode
indicator |
green LED (indicates power)
amber LED (indicates sleep mode) |
| Hard-disk drive access indicator |
green LED |
| Power indicator (on system board) |
green LED |
Standby power indicator
(on system board) |
green LED |
| Power |
| DC power supply |
| Wattage |
330 W |
| Heat dissipation |
900 BTU/hr (nominal) |
| Voltage |
Autoranging 90 to 265 V at 47 to 63 Hz |
| Backup battery |
3-V CR2032 coin cell |
| Physical |
| Height |
45.9 cm (18.1 inches) |
| Width |
21.6 cm (8.5 inches) |
| Depth |
43.6 cm (17.6 inches) |
| Weight |
16.0 kg (37.0 lb) or more, depending on options
installed |
| Environmental |
| Temperature |
| Operating |
10° to 35°C* (50° to 95°F) |
| Storage |
-40° to 65°C (-40° to 149°F) |
| Relative humidity |
8% to 80% (non condensing) |
| Maximum vibration |
| Operating |
0.25 G at 3 to 200 Hz for 30 min |
| Storage |
0.5 G at 3 to 200 Hz for 30 min |
| Maximum shock |
| Operating |
half-sine wave form: 50 G for 2 ms |
| Storage |
half-sine wave form: 92 G for 2 ms
square wave form: 27 G for 15 ms |
| Altitude |
| Operating |
-16 to 3048 m* (-50 to 10,000 ft) |
| Storage |
-16 to 10,600 m (-50 to 35,000 ft) |
| * At
35°C (95°F), the maximum operating altitude is 914 m (3000 ft). |