Dell Precision 610 - Manual (Page 84)

connector size
PCI expansion-card
connector data
width (maximum)
32 bits
ISA expansion-card
connector size 98 pins
ISA expansion-card
connector data
width (maximum)
16 bits
AGP expansion-card
connector size 124 pins
AGP expansion-card
connector data
width (maximum)
32 bits
RAID extension
connector size 60 pins
System Clocks
System clock 100 MHz
SDRAM memory clock 100 MHz
I/O APIC clock 14 MHz
Diskette/communications
ports 48 MHz
USB clock 48 MHz
Memory
Architecture 72-bit ECC SDRAM
DIMM sockets four
DIMM capacities 64- and 128-MB unbuffered, 72-bit SDRAM; 256-MB and 512-MB registered,
72-bit SDRAM
Standard RAM 64 MB
Maximum RAM 2048 MB (with 512 MB registered DIMMs only)
BIOS address F000:0000h-F000:FFFFh
Drives
Externally accessible
bays one 3.5-inch bay dedicated to a 3.5-inch
diskette drive; three 5.25-inch bays for tape drives, CD-ROM drives, or other 5.25-inch peripherals
Internally accessible
bays two 1.6-inch drive bays and two 1-inch drive bays for EIDE or SCSI hard-disk drives installed
vertically
Ports and Connectors
Externally accessible:
Serial (DTE) two 9-pin connectors; 16550-compatible