SUPER MICRO Computer X7DBU, X7DGU user manual Installing and Removing DIMMs

Chapter 2: Installation

Possible System Memory Allocation & Availability

System Device

Firmware Hub flash memory (System BIOS)

Size

1 MB

Physical Memory

Remaining (-Available)

(4 GB Total System Memory)

3.99

Local APIC

Area Reserved for the chipset

I/O APIC (4 Kbytes)

PCI Enumeration Area 1

PCI Express (256 MB)

PCI Enumeration Area 2 (if needed) -Aligned on 256-MB boundary-

VGA Memory

TSEG

Memory available to System BIOS & OS applications

4 KB

2 MB

4KB

256MB

256MB

512MB

16 MB

1 MB

3.99

3.99

3.99

3.76

3.51

3.01

2.85

2.84

2.84

Installing and Removing DIMMs

S	4kn aB	Fan6	Fan5
/MBK /10B		2J9B B1J9
JKM1
SU	k3na	3BJ8
	B	2
1M		BJ8
OC	k2	1J8B
JCOM1	anB	3B
		J7

Battery		2
AGV	1kn aB	BJ7 1BJ7
J15
1NLA
JLAN1
2NLA
JLAN2
IDU		LAN
r
LE2 1W eaR		CTRL
S
		PCI-X 133 MHz
		4J1
1J1
UIO PWR

	Buzzer	Fan7	7J1
		PWR SMB
	SP1	CPU Fan1
		DIMM4B
		DIMM4A
		DIMM3B
		DIMM3A
		DIMM2B
		DIMM2A			CPU1
		DIMM1B
		DIMM1A
		Intel 5000
		(North Bridge)
					CPU2
I2C2 I2C1		J9				0	1ATAS-I	2ATAS-I
J28	J27
		SXB2: PCI-E x8
			J5			ATA S
		SXB1: PCI-E x16				-I
	X7DBU
						SGPIO1
			Intel ESB2			J29
						J30
						SGPIO2
			(South Bridge)
						emoryM	SIO B
			JPG1	J7	JBT1
			JWOR1
			ES1000			Video
			Video CTRL			JWD		I/OS
						JK1
			COM2			JWOL1
					JPL1	JPL2	USB4

	4-Pin PWR 8-Pin PWR
	2WJP						3WJP
	1W JP
		20-Pin Main PWR
										Fan1
									LRT CPF		JF1
						Fan2
							LE1
								JOH1
									JP1
									Fan3
					Fan8
3AT AS-I	4AT AS-I		CPU FAN2
		5ATA S-I
										1E# ID
						OSIM S
										ypp Flo
						J18				J22
			SMB
				JL1
		USB2/3						Fan4

￿ ￿￿D

To Install: Insert module vertically and press down until it snaps into place. Pay attention to the alignment notch at the bottom.

To Remove:	￿￿￿D ￿lot
Use your thumbs to gently
push the release tabs near
both ends of the module.
This should release it from
the slot.
	2-7