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Architecture . . . . . . . . . . . . . . . . . . . . . 72-bit ECC SDRAM

DIMM sockets . . . . . . . . . . . . . . . . . . . four

DIMM capacities . . . . . . . . . . . . . . . . . 64- and 128-MB unbuffered, 72-bit SDRAM; 256-MB and 512-MB regis- tered, 72-bit SDRAM

Standard RAM . . . . . . . . . . . . . . . . . . 64 MB

Maximum RAM . . . . . . . . . . . . . . . . . . 2048 MB

NOTE: The maximum amount of RAM that can be installed using registered 512 MB DIMMs is 2048 MB. The maxi- mum amount of RAM that can be installed using unbuffered DIMMs is 512 MB.

BIOS address. . . . . . . . . . . . . . . . . .'ULYHV. . F000:0000h–F000:FFFFh

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

3RUWVDQG&RQQHFWRUVdrives installed vertically

Externally accessible:

Serial (DTE) . . . . . . . . . . . . . . . . . . two 9-pin connectors; 16550-compatible

Parallel . . . . . . . . . . . . . . . . . . . . . . . . . one 25-pin connector (bidirectional)

SCSI

(secondary channel). . . . . . . . . . . . . .

Video . . . . . . . . . . . . . . . . . . . . . . . . . .

one 68-pin Ultra/Wide SCSI connector

one 15-pin DIN connector (on graphics adapter card)

PS/2-style keyboard. . . . . . . . . . . . . . 6-pin mini-DIN connector

PS/2-compatible mouse . . . . . . . . . . 6-pin mini-DIN connector

NIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . RJ45 connector

NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in

the User’s Guide.

1-20 Dell Precision 610 Mini Tower Systems Service Manual