Dell OptiPlex GX1p - Manual (Page 94)

System Clocks
Diskette/communications ports 48 MHz from system clock
System clock 66/100 MHz
Keyboard controller 48 MHz
Memory
Architecture 72-bit (ECC), noninterleaved
Wait states near 0
DIMM sockets 3 (gold contacts)
DIMM capacities 64-, 128-, and 256-MB ECC SDRAM ("PC100" 100 MHz)
Minimum RAM 128 MB
Maximum RAM 768 MB
Memory access time synchronized with system clock
BIOS address F0000h
Drives
Externally accessible bays:
Midsize chassis (2) 5.25-inch bays for diskette, tape, or CD-ROM drives; (1) 3.5-inch
bay for a diskette drive
Mini tower chassis (3) 5.25-inch bays for diskette, tape, or CD-ROM drives; (1) 3.5-inch
bay for a diskette drive
Internally accessible bays:
Midsize chassis (2) 3.5-inch bays: 1 for a 1-inch-high hard-disk drive and 1 for a 1.6-
inch-high hard-disk drive*
Mini tower chassis (2) 3.5-inch bays: 1 for a 1-inch-high hard-disk drive and 1 for a 1.6-
inch-high hard-disk drive*
* See Hard-Disk Drive Options for information on options and restrictions .
Ports
Externally accessible:
Serial (DTE) (2) 9-pin connectors (16550-compatible)
Parallel 25-hole connector (bidirectional)
Video 15-hole connector
NIC RJ45 connector
PS/2-style keyboard 6-pin mini-DIN
PS/2-compatible mouse 6-pin mini-DIN
USB 2 USB host connectors
Audio line-in miniature audio jack
Audio line-out
(amplified source) miniature audio jack
Microphone miniature audio jack