Power Button - NEC POWERMATE PROFESSIONAL - SERVICE MANUAL 05-1997 Service Manual

1-24 Technical Information
Item
Front Panel
Processor
Cache Memory
Flash ROM
Chip Set
System Memory
Standard
Optional SIMMs
Battery
Power Supply
CD-ROM Reader (16X
maximum)
SCSI Adapter Board
Table 1-11 Specifications
Specification

Power button

Power indicator lamp
Hard disk drive busy indicator lamp
Reset button
Infrared IrDA transceiver
Intel Pentium II 233-MHz or 266-MHz, depending on the model
32 KB of primary cache (16 KB data, 16 KB instruction) and
512 KB of secondary cache integrated in the processor
2-MB Flash ROM
Intel 82440FX PCIset
32-MB or 64-MB standard, depending on the model, expandable
to 256 MB using SIMM sockets
4-, 8-, 16-, 32-, 64-MB; 32-bit, 60-ns, parity, nonparity, or ECC
SIMMs
Replaceable 3-volt lithium, nonrechargeable coin-type
115 V/230V switch selectable, 200 Watt
115 V (90-135 V)
230 V (180-265 V)
DC Voltage
+12 V, 6.0 A
+5 V, 22.0 A
+3.3 V, 14.0 A
5 V, 0.5 A
12 V, 0.8 A
See Appendix D.
PCI local bus
32-bit bus width
Up to 133 MB/second data transfer rate
Fast and wide 40 MB/second SCSI synchronous data rate
3.3 MB/second SCSI asynchronous data rate
Bus master DMA interface protocol
SCSI-1, SCSI-2, SCSI-3, WideUltraSCSI device protocol
Extended translation scheme supports up to eight GB per disk
Single-ended, active, or programmable drivers via SCSI
configuration utility
Multithreaded I/O, scatter/gather, tagged queuing,
disconnect/reconnect, synchronous and asynchronous data
transfer.