Service and Maintain

dc7900 Illustrated Parts & Service Map, USDT Chassis 506595-003 page 2
System Board
Standard and Optional Boards
System boards with thermal grease, alcohol pad, and CPU socket cover
1 System board 462433-001
* System board, excludes ES/CS 490631-001
Memory modules (SODIMM, PC2-6400, CL6)
*4 GB
497739-001
*2 GB
451400-001
21 GB
570027-001
* 512 MB
571246-001
Other boards
* Quadro NVS295 256-MB PCIe graphics card 519298-001
* 802.11a/b/g/n WLAN module (include card, antenna, cable, and screw) 502482-001
Intel Celeron Processors with alcohol pad and thermal grease
* 450, 2.2 GHz, 512-KB cache, single core 508256-001
* 440, 2.0 GHz, 512-KB cache, single core 449166-001
* E1500, 2.2 GHz, 512-MB cache, dual core 516899-001
* E1400, 2.0 GHz, 512-MB cache, dual core 491574-001
* E1200, 1.6 GHz, 512-MB cache, dual core 468589-001
Intel Pentium Dual Core Processors with alcohol pad and thermal grease
* E5400, 2.7 GHz, 2-MB L2 cache 531989-001
* E5200, 2.5 GHz, 2-MB L2 cache 503382-001
* E2220, 2.4 GHz, 1-MB L2 cache 480714-001
* E2200, 2.2 GHz, 1-MB L2 cache 465216-001
Intel Core 2 Duo Processors with alcohol pad and thermal grease
* E8600, 3.33 GHz, 6-MB L2 cache 497732-001
* E8500, 3.16 GHz, 6-MB L2 cache 466170-001
* E8400, 3.00 GHz, 6-MB L2 cache 509554-001
* E8300, 2.83 GHz, 6-MB L2 cache 466168-001
* E7500, 2.93 GHz, 3-MB L2 cache 531988-001
* E7400, 2.80 GHz, 3-MB L2 cache 508255-001
* E7300, 2.66 GHz, 3-MB L2 cache 500134-001
* E7200, 2.53 GHz, 3-MB L2 cache 490507-001
* E5300, 2.60 GHz, 2-MB L2 cache 516900-001
* Not shown
Miscellaneous Parts
1 Chassis fan with duct 451392-001
2 Chassis fan, rear 499202-001
3 Internal speaker 447085-001
4 Heatsink with alcohol pad and factory-applied thermal grease 490814-001
* USB powered speakers 466618-001
* Mouse, PS2, optical 417966-001
* Mouse, optical 390938-001
* Mouse, laser 459821-001
* Rubber feet, snap in 499204-001
* Hood sensor 392417-001
*Not shown
System Board Connectors and Jumpers (position of some untitled
components may vary in location)
E49 Password P11 Auxiliary audio connector
J9 Stacked RJ-45/Dual USB P54 Primary serial port
J10 Quad stacked USB P60 First SATA connector
J64 Display port connector P61 Second SATA connector
J68
Stacked keyboard/mouse connector P125 Hood sensor
J69 Video connector P150
Media reader
J70 Primary single USB port P151 ReadyBoost
J71 Secondary single USB port P160 SATA power header
J72 Microphone jack SW1 System front power button
J75 Headphone jack SW50 Clear CMOS
J78 Double stacked line-out/line-in XBT1 Real-time-clock battery
J103 DC power input XMM1 DIMM 1
J105 PCIe Mini Card XMM3 DIMM 3
P6 Internal speaker XU1 Processor
P9 Chassis fan