Dell 690 manual It holds a graphic card RTC reset jumper Rtcrst, Holds a graphics card, Risers

1	secondary processor connector (CPU_1)	18	FlexBay connector (USB)
2	front fan connector (FAN_FRONT)	19	floppy drive (DSKT)
3	card cage fan connector (FAN_CCAG)	20	front panel connector (FRONTPANEL)
4	internal speaker connector (INT_SPKR)	21	front panel 1394 connector (FP1394)
5	power connector (POWER2)	22	chassis intrusion header (INTRUDER)
6	IDE drive connector (IDE)	23	PCI-Express x8 card slot, wired as x4
			(SLOT7_PCIE)
7	password jumper (PSWD)	24	PCI-X card slot (SLOT6_PCIX)
8	auxiliary hard-drive LED connector	25	PCI-X card slot (SLOT5_PCIX)
	(AUX_LED)
9	battery socket (BATTERY)	26	PCI card slot (SLOT4_PCI)
			NOTE: This slot is not available in the dual-
			graphics configuration
10	SATA connectors	27	PCI-Express x8 card slot, wired as x4
	(SATA_0, SATA_1, SATA_2)		(SLOT3_PCIE)

NOTE: In the dual-graphics configuration, this slot is replaced by a x16 slot on the graphics riser.

It holds a graphic card.

11RTC reset jumper (RTCRST)

28PCI-Express x16 card slot (SLOT2_PCIE) NOTE: This slot is not available in the dual- graphics configuration

12	main power connector (POWER1)	29	PCI-Express x8 card slot, wired as x4
			(SLOT1_PCIE)
			NOTE: In the dual-graphics configuration, this slot
			is replaced by a x16 slot on the graphics riser. It
			holds a graphics card.
13	hard drive connector (HDD_3)	30	memory fan connector (FAN_MEM)
14	hard drive connector (HDD_2)	31	white memory module connectors (DIMM_1-4)
			support memory modules or memory module
			risers

15hard drive connector (HDD_1)

32black memory module connectors (DIMM_5-8) support memory modules only when no memory riser cards are installed; otherwise these must be left empty

16 hard drive connector (HDD_0) 33 primary processor connector (CPU_0)

17hard drive fan (FAN_HDD)

Quick Reference Guide

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