Dell OPTI PLEX GX1 Service Manual page 48

1-36
ISA expansion-card
connectors:
Low-profile
computers . . . . . . . . . . .
Midsize computers . . . .
Mini tower
computers . . . . . . . . . . . .
OptiPlex NX1
computers . . . . . . . . . . .
NIC. . . . . . . . . . . . . . . . . . . .
Architecture . . . . . . . . . . . . .
DIMM sockets . . . . . . . . . . .
DIMM capacities . . . . . . . . .
Standard RAM . . . . . . . . . . .
Maximum RAM . . . . . . . . . .
L2 cache memory . . . . . . . .
BIOS address. . . . . . . . . . . .
ROM address. . . . . . . . . . . .
Externally accessible bays:
Low-profile
computers . . . . . . . . . . .
Midsize computers . . . .
two (one ISA connector and one PCI
connector share an expansion-card slot)
three (one ISA connector and one PCI
connector share an expansion-card slot)
or
two (both share expansion-card slots)
four (two ISA connectors share expansion-
card slots with PCI connectors)
none
integrated 3Com PCI 3C905B-TX Wakeup
On LAN NIC, operating at 10 or 100 Mbps
(optional on GX1 and NX1)
64-bit (nonparity) or 72-bit (parity), non-
interleaved on GX1 and NX1; 72-bit (parity),
noninterleaved on GX1p
three (gold contacts)
32-MB nonparity SDRAM;
32-, 64-, and 128-MB parity SDRAM
32 MB (GX1 and NX1) or 128 MB (GX1p)
384 MB
512-MB pipeline-burst, four-way
set-associative, write-back SRAM
F0000h
C8000h
one 3.5-inch bay for a 3.5-inch diskette
drive; one 5.25-inch bay for a diskette, tape,
or CD-ROM drive
one 3.5-inch bay for a 3.5-inch diskette
drive; two 5.25-inch bays for diskette, tape,
or CD-ROM drives