Microprocessor | System Information | Expansion Bus | Memory | Drive Bays | Ports | Video | System-Function Key Combinations | Controls and Indicators | Power | Physical | Environmental
| Microprocessor type | IntelDX2™ |
| IntelDX4™ OverDrive® | |
| Microprocessor speeds | 50 MHz internal/25 MHz external or 66 MHz internal/33 MHz external (both have an 8-MHz compatibility speed) |
| Math coprocessor | built-in |
| System chip set | MIC 471 ASIC (see System Control) |
| Data bus width | 32 bits |
| Address bus width | 32 bits |
| DMA channels | 7 |
| Interrupt levels | 15 |
| System board layers | 4 |
| Bus type | ISA and VL |
| Bus speed: | |
|
8.33 MHz |
|
system speed |
| Expansion slots | 7 full-length ISA 16-bit; 2 VL local bus |
| Minimum RAM | 4 MB |
| Maximum RAM | 64 MB |
| SIMM sockets | (4) 72-pin |
| SIMM capacities | 4 and 16 MB |
| SIMM types | 32-bit nonparity |
| Access times: | |
|
70 ns |
|
20 ns |
| System BIOS | 8-bit x 128-KB flash ROM |
| System BIOS address | F0000h |
| Internal cache | 8 KB |
| External cache | 128 or 256 KB direct-mapped SRAM |
| Externally accessible bays | (6) half-height, 5.25-inch |
| Externally accessible: | |
|
(2) 9-pin connectors |
|
(1) 25-pin connector (bidirectional) |
|
(1) 6-pin mini-DIN |
|
(1) 6-pin mini-DIN |
| Internally accessible: | |
|
(2) 40-pin connectors |
|
(3) 34-pin connectors |
| Video type | VL-Bus™ video controller card |
| Cards available | #9GXE VL-Bus (1 or 3 MB) or Diamond Viper VLB (1 or 3 MB) |
| <Ctrl><Alt><Del> | causes the system to perform a warm boot |
| <Ctrl><Alt><Enter> | enters the System Setup program |
|
NOTE: The system clock speed is not changed by keyboard entry. It must be changed in the System Setup program. |
| Reset control | push button |
| Power control | push button |
| Power indicator | green LED |
| Hard-disk drive access indicator | green LED |
| DC power supply: | |
|
200 W |
|
90 to 130 VAC at 60 Hz; 180 to 265 VAC at 50 Hz |
|
4.5-V alkaline |
|
107 BTU/hr typical |
| * With 4 MB of RAM, 120-MB hard-disk drive, 1 diskette drive, 66-MHz processor | |
| Height | 65.07 cm (25.62 inches) |
| Width | 19.05 cm (7.5 inches) |
| Depth | 44.45 cm (17.5 inches) |
| Weight | 17.01 kg (37.5 lb) |
| Temperature: | |
|
10° to 35°C (50° to 95°F) |
|
–40º to 65°C (–40º to 149ºF) |
|
8% to 80% (noncondensing) |
| Vibration: | |
|
0.25 G at 3 Hz to 300 Hz for 15 min |
|
0.5 G at 3 Hz to 300 Hz for 15 min |
| Shock: | |
|
5 G for 11 ms |
|
20 G with a velocity change of 1397 mm/sec |
| Altitude: | |
|
–16 m to 3048 m (–50 ft to 10,000 ft) |
|
–16 m to 10,600 m (–50 ft to 35,000 ft) |