Dell 4100 Service Manual page 27

Table 1-5. Technical Specifications
System clock . . . . . . . . . . . . . . 60 or 66 MHz (matches external processor bus
Diskette/communications
ports . . . . . . . . . . . . . . . . . . . . 24 MHz from the system clock
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
Externally accessible bays . . . four 5.25-inch bays for half-height diskette
Internally accessible bays . . . . six 1- to 1.6-inch-high SCSI hard-disk drives,
Externally accessible:
Serial (DTE) . . . . . . . . . . . two 9-pin connectors; 16550-compatible
Server Management
(serial) . . . . . . . . . . . . . . . . one 9-pin connectors; modem port for
Parallel . . . . . . . . . . . . . . . one 25-hole connector (bidirectional)
Video . . . . . . . . . . . . . . . . . one 15-hole connector (on system board or
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
System Clocks
speed)
Memory
Drives
drives, tape drives, or CD-ROM drives (one
bay for a 3.5-inch diskette drive and one bay
for a CD-ROM [standard])
hot-pluggable with an optional PowerEdge
Expandable RAID Controller host adapter card
System Board Connectors
(UART)
embedded server management
add-in video card)
(continued)
System Overview 1-25