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Technical Overview

Dell™ XPS™ 730/730X Service Manual

  Inside View of Your Computer

  System Board Components

  Master Control Board

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

Inside View of Your Computer

1	optical drive bays (4)	2	floppy drive/media card reader
3	hard drive bays (4)	4	processor cooling solution: liquid cooling assembly (shown) or air cooling assembly
5	card fan

System Board Components

Dell™ XPS™ 730

1	CPU socket	2	system board CPU fan header
3	DIMMs 0 and 1 (DIMM 0-1)	4	DIMMs 2 and 3 (DIMM 2-3)
5	ATX power connector (ATX_PWR)	6	IDE connector (IDE)
7	SATA ports 3-6 (SATA 3-6)	8	floppy header (FLOPPY)
9	BIOS debug codes (PORT 80 DECODER)	10	SATA ports 1-2 (SATA 1-2)
11	font panel connector (FRONT PNL)	12	serial port header (SERIAL PORT)-unused
13	reset CMOS jumper (RESET CMOS)	14	internal USB header 1 (USB)
15	internal USB header 2 (USB)	16	1394 header
17	battery socket	18	power button (POWER)
19	reset button (RESET)	20	front panel audio header (FP Audio)
21	PCI slot 1 (PCI SLOT 1)	22	PCIe x16 (Generation 2) slot 2 (PCIe x16_2)
23	PCI slot 2 (PCI SLOT 2)	24	PCIe x16 (Generation 1) slot 3 (PCIe x16_3)
25	PCIe x1 slot (PCIe x1)	26	PCIe x16 (Generation 2) slot 1 (PCIe x16_1)
27	PCIe x1 slot (PCIe x1)	28	internal eSATA header
29	CPU power header

Dell XPS 730X

1	CPU socket	2	system board CPU fan header
3	DIMMs 1, 3, and 5	4	ATX power connector (ATX_PWR)
5	IDE connector (IDE)	6	SATA port 4 (SATA 4)
7	battery socket	8	SATA ports 1-3 (SATA 1-3)
9	internal USB header 1 (USB)	10	internal USB header 2 (USB)
11	internal USB header 3 (USB)	12	1394 header
13	PCI slot 1 (PCI SLOT 1)	14	front panel audio header (FP Audio)
15	PCIe slot 5 (PCI_E5)	16	PCIe slot 4 (PCI_E4)
17	PCIe slot 3 (PCI_E3)	18	PCIe slot 2 (PCI_E2)
19	PCIe slot 1 (PCI_E1)	20	CPU power header

Master Control Board

1	internal LED header (INTERNAL_LED)	2	power header (POWER)
3	front top LED header (FRONT_TOP_LED)	4	front bottom right LED IO header (BOT_RT_LED)
5	PCI cage fan header (FAN_CAGE)	6	power button board header (CON_PWR_BTN)
7	rear PCI LED header (REAR_PCI_LED)	8	hard drive fan (FAN_HDD)
9	factory defaults jumper (FACTORY_DEFAULT)	10	internal USB headers (USB_FLEXBAY 1-2)
11	system AC power LED indicator	12	USB input header (USB_MB)
13	system board front panel IO header (MB_IO_HDR)	14	H2C liquid cooling header (H2C)
15	rear IO LED connector (CONN_REAR)	16	front CPU fan header (FAN_CPU_FRONT)

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