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Technical Overview

Dell™ Dimension™ 9200C Service Manual

  Inside View of Your Computer

  System Board Components

  Power Supply DC Connector Pin Assignments

Inside View of Your Computer

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

1	drive release latch	2	CD/DVD drive	3	power supply and fan
4	hard drive	5	heat sink assembly	6	power button
7	front panel door

System Board Components

1	processor fan connector (CPUFAN)	16	modem connector (RJ11)
2	processor connector (CPU)	17	RJ11 internal connector (RJ11INT)
3	processor power connector (POWER12V)	18	video connector (VGA)
4	memory module connectors (2, 4)	19	Media Card Reader connector (USBINT)
5	memory module connectors (1, 3)	20	USB connectors (4) (USB_BACK)
6	battery socket (BATTERY)	21	network connector (NIC) and USB connectors (2) (NIC_USB1)
7	internal speaker (SPKR)	22	back panel IEEE 1394 connector (BACK1394)
8	hard drive fan connector (HDDFAN)	23	IEEE 1394 connector (INT1394)
9	hard drive connector (SATA0)	24	PCI Express x1 connector (SLOT2)
10	CD/DVD connector (SATA1)	25	PCI Express x16 connector (SLOT1)
11	front panel connector (FRONT PANEL)	26	standby LED (STBYLED)
12	modem	27	password jumper (CLRPSWD)
13	power connector (POWER)	28	RTC reset jumper (CLRCMOS)
14	line-in, line-out, microphone, and center/LFE connectors (AUDIOBACK1)	29	temperature connector (THRM)
15	S/PDIF audio connector (SPDIF)	30	floppy drive connector (FLOPPY)

Jumper Settings

Jumper locations are shown below.

Jumper	Setting	Description
CLRPSWD		Password features are enabled (default setting).
		Password features are disabled.
CLRCMOS		The real-time clock has not been reset.
		The real-time clock is being reset (jumpered temporarily).
jumpered   unjumpered

-

Power Supply DC Connector Pin Assignments

DC Power Connector P1

Pin Number	Signal Name	18-AWG Wire
1	+3.3 VDC	Orange
2	+3.3 VDC	Orange
3	COM	Black
4	+5 VDC	Red
5	COM	Black
6	+5 VDC	Red
7	COM	Black
8	POK*	Gray
9	+5 VFP	Purple
10	+12 VDC	Yellow
11	+12 VDC*	Yellow
12	+3.3 VDC	Orange
13	+3.3 VDC/SE	Orange
14	-12 VDC	Blue
15	COM	Black
16	PS_ON*	Green
17	COM	Black
18	COM	Black
19	COM	Black
20	N.C.	N.C.
21	+5 VDC	Red
22	+5 VDC	Red
23	+5 VDC	Red
24	COM	Black
*Uses 22 AWG wire instead of 18 AWG.

DC Power Connector P2

Pin Number	Signal Name	18-AWG Wire
1	COM	Black
2	COM	Black
3	+12 VDC	Yellow
4	+12 VDC	Yellow

DC Power Connector P3

Pin Number	Signal Name	18-AWG Wire
1	+3.3 VDC	Orange
2	COM	Black
3	+5 VDC	Red
4	COM	Black
5	+12 VDC	Yellow

DC Power Connector P5

Pin Number	Signal Name	18-AWG Wire
1	COM	Black
2	+5 VDC	Red
3	KEY	N/A
4	+3.3 VDC	Orange

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