Dell 4100 - Page 27

System Overview 1-25
System Clocks
System clock. . . . . . . . . . . . . . 60 or 66 MHz (matches external processor bus
speed)
Diskette/communications
ports . . . . . . . . . . . . . . . . . . . . 24 MHz from the system clock
Memory
Architecture . . . . . . . . . . . . . . 72-bit, noninterleaved
DIMM sockets . . . . . . . . . . . . eight
DIMM capacities . . . . . . . . . . 32 and 128 MB, EDO mode
Standard RAM . . . . . . . . . . . . 64 MB
Maximum RAM . . . . . . . . . . . 1024 MB (1 GB)
BIOS address . . . . . . . . . . . . . F000:0000h–F0000:FFFFh
Drives
Externally accessible bays . . . four 5.25-inch bays for half-height diskette
drives, tape drives, or CD-ROM drives (one
bay for a 3.5-inch diskette drive and one bay
for a CD-ROM [standard])
Internally accessible bays . . . . six 1- to 1.6-inch-high SCSI hard-disk drives,
hot-pluggable with an optional PowerEdge
Expandable RAID Controller host adapter card
System Board Connectors
Externally accessible:
Serial (DTE) . . . . . . . . . . . two 9-pin connectors; 16550-compatible
(UART)
Server Management
(serial). . . . . . . . . . . . . . . . one 9-pin connectors; modem port for
embedded server management
Parallel . . . . . . . . . . . . . . . one 25-hole connector (bidirectional)
Video. . . . . . . . . . . . . . . . . one 15-hole connector (on system board or
add-in video card)
PS/2-style keyboard . . . . . one 6-pin mini-DIN
PS/2-compatible mouse. . . . one 6-pin mini-DIN
Internally accessible:
Diskette drive . . . . . . . . . . one 34-pin connector
Fan . . . . . . . . . . . . . . . . . . three 3-pin connectors
Table 1-5. Technical Specifications (continued)