Asus M4A785D-M PRO: 1.7 System memory

1.7 System memory: Asus M4A785D-M PRO

1-10 Chapter 1: Product introduction

3. Align the other end of the retention bracket to the retention module base. A clicking

sound denotes that the retention bracket is in place.

Ensure that the fan and heatsink assembly perfectly ts the retention mechanism module

base, otherwise you cannot snap the retention bracket in place.

4. Push down the retention bracket lock on the retention mechanism to secure the

heatsink and fan to the module base.

5. When the fan and heatsink assembly is in place, connect the CPU fan cable to the

connector on the motherboard labeled CPU_FAN.

Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if

you fail to plug this connector.

1.7 System memory

1.7.1 Overview

The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modules

(DIMM) sockets. A DDR2 module has the same physical dimensions as a DDR DIMM but

has a 240-pin footprint compared to the 184-pin DDR DIMM. DDR2 DIMMs are notched

differently to prevent installation on a DDR DIMM socket. The gure illustrates the location of

the DDR2 DIMM sockets:

Channel Sockets

Channel A DIMM_A1 and DIMM_A2

Channel B DIMM_B1 and DIMM_B2

E4711_M4A785D-M PRO.indb 10 7/6/09 9:09:47 AM

ASUS M4A785D-M PRO 1-11

1.7.2 Memory congurations

You may install 512MB, 1GB, 2GB, and 4GB unbuffered ECC/non-ECC DDR2 DIMMs into

the DIMM sockets.

You may install varying memory sizes in Channel A and Channel B. The system maps

the total size of the lower-sized channel for the dual-channel conguration. Any excess

memory from the higher-sized channel is then mapped for single-channel operation.

Always install DIMMs with the same CAS latency. For optimum compatibility, we

recommend that you obtain memory modules from the same vendor.

®

Due to the memory address limitation on 32-bit Windows

OS, when you install 4GB

or more memory on the motherboard, the actual usable memory for the OS can be

about 3GB or less. For effective use of memory, we recommend that you do any of the

following:

®

- Use a maximum of 3GB system memory if you are using a 32-bit WindowsUse a maximum of 3GB system memory if you are using a 32-bit Windows

OS.

®

- Install a 64-bit WindowsWindows

OS when you want to install 4GB or more memory on

the motherboard.

This motherboard does not support DIMMs made up of 256 megabits (Mb) chips or less.

®

The motherboard supports up to 16GB memory modules on Windows

XP Professional x64

and Vista x64 editions. You may install a maximum of 4 GB DIMMs on each slot.

M4A785D-M PRO Motherboard Qualied Vendors Lists (QVL)

DDR2-1200MHz capability

DIMM

Timing

SS/

Support

Vendor Part No. Size

Chip Brand Chip No.

DIMM

Voltage

DS

(BIOS)

A* B* C*

Kingston KHX96002K2/2G 2048MB(Kit of 2) DS N/A Heat-SinkPackage 5-5-5-15 2.2V

OCZ OCZ2FX12002GK 2048MB(Kit of 2) DS N/A Heat-SinkPackage 5-5-5-18 2.1 - 2.3 V

TEAM TXDD1024M1300HC6 2048MB(Kit of 2) DS Heat-Sink Package Heat-SinkPackage 6-6-6-18 2.35V~2.45V

winchip 64A0TMTHE8G17C 2048MB(Kit of 2) DS N/A Heat-SinkPackage

DDR2-1066 MHz capability

DIMM

Timing

SS/

Chip

Support

Vendor Part No. Size

Chip No.

DIMM

Voltage

DS

Brand

(BIOS)

A* B* C*

A-Data AD21066E002GU 4096MB(Kit of 2) DS N/A Heat-Sink Package 5-5-5-15 2.1V

Apacer 78.0AGBD.9L5 1024MB SS N/A Heat-Sink Package 5-5-5-15

Apacer 78.AAGBD.9LZ 2048MB DS N/A Heat-Sink Package 5-5-5-15

Corsair CM2X1024-8500C5 1024MB DS Corsair Heat-Sink Package

Corsair CM2X2048-8500C5D 4096MB(kit of 2) DS N/A Heat-Sink Package 5-5-5-15

Crucial BL12864AA1065.8FE5 1024MB SS N/A Heat-Sink Package

Crucial CT25664AA1067.16FE1 2048MB DS Micron 9DJKH D9JKH 7-7-7-13

G.SKILL F2-8500CL5D-2GBPI 2048MB(kit of 2) SS N/A Heat-Sink Package 5-5-5-15 2.1V

(continued on the next page)

E4711_M4A785D-M PRO.indb 11 7/6/09 9:09:48 AM

1-12 Chapter 1: Product introduction

DDR2-1066MHz capability

DIMM

Timing

SS/

Chip

Support

Vendor Part No. Size

Chip No.

DIMM

Voltage

DS

Brand

(BIOS)

A* B* C*

G.SKILL F2-8500CL5S-1GBPK 1024MB DS N/A Heat-Sink

5-5-5-15

PackageSN:815130037562

G.SKILL F2-8500CL5D-2GBPK 2048MB(Kit of 2) DS N/A Heat-Sink Package 5-5-5-15

G.SKILL F2-8500CL5D-4GBPI-B 4096MB(Kit of 2) DS N/A Heat-Sink Package 5-5-5-15 2.1V

G.SKILL F2-8500CL5D-4GBPI 4096MB(Kit of 2) DS N/A Heat-Sink Package 5-5-5-15 2.0 ~ 2.1V

G.SKILL F2-8500CL5D-4GBPK 4096MB(kit of 2) DS N/A Heat-Sink Package 5-5-5-15

GEIL GB22GB8500C5DC 1024MB SS GEIL GL2L128M88BA18BW 5

GEIL GB24GB8500C5QC 1024MB SS GEIL GL2L128M88BA25AB 5

GEIL GE22GB1066C5DC 1024MB SS GEIL Heat-Sink Package 5

GEIL GE24GB1066C5QC 1024MB SS GEIL Heat-Sink Package 5

GEIL GB24GB8500C5DC 2048MB DS GEIL GL2L128M88BA25AB 5

GEIL GE24GB1066C5DC 2048MB DS GEIL Heat-Sink Package 5

GEIL GX24GB8500C5UDC 4096MB(kit of 2) DS N/A Heat-Sink Package 5

kingmax KLED48F-B8KU6-NGES 1024MB SS kingmax KKB8FNUXF-DXX-18A 6-6-6-24 1.9V

kingmax KLEE88F-B8KU6-NNAS 2048MB DS kingmax KKB8FNUXF-DXX-18A 6-6-6-24 1.9V

Kingston KHX8500D2K2/1GN(EPP) 1024MB(Kit of 2) SS Kingston Heat-Sink Package 5-5-5-18 1.8V

Kingston KHX8500D2/1G 1024MB SS N/A Heat-Sink Package

Kingston KHX8500D2K2/2GN(EPP) 1024MB DS Kingston Heat-Sink Package 5-5-5-18 1.8V

Kingston KVR1066D2N7/1G 1024MB DS Elpida E5108AJBG-1J-E 7 1.8V

Kingston KHX8500D2K2/2G 2048MB(Kit of 2) DS N/A Heat-Sink Package 5-5-5-15 2.2V

Kingston KHX8500D2K2/4G 2048MB DS N/A Heat-Sink Package 5-5-5-15 2.2V

Micron CT25664AA1067.16FE1 2048MB DS Micron 9DJKH D9JKH 7-7-7-13

OCZ OCZ2N10662GK(Epp) 2048MB(Kit of 2) DS N/A Heat-Sink Package 5-5-5-15 21.V

OCZ OCZ2N1066SR2DK(Epp) 2048MB(Kit of 2) DS OCZ Heat-Sink Package

5-5-5-15 2.1 - 2.3V

004820806001601-2

OCZ OCZ2P10664GK(EPP) 4096MB(kit of 2) DS N/A Heat-Sink Package 5-5-5-18 2.2V

OCZ OCZ2P10664GK 4096MB(Kit of 2) DS N/A Heat-Sink Package 5-5-5-18 2.2V

OCZ OCZ2RPR10664GK 4096MB(kit of 2) DS N/A Heat-Sink Package 5-5-5-15 2.2V

PSC AL8E8G73F-AE1 2048MB DS PSC A3R1GE3FGF907MAT0F

5-5-5-12

TAIWAN-G8E

Transcend TX1066QLU-2GK 2048MB(Kit of 2) SS N/A Heat-Sink Package 5

Transcend TX1066QLU-4GK 4096MB(kit of 2) DS Transcend Heat-Sink Package 5

BUFFALO FSX1066D2C-1G 1024MB DS N/A Heat-Sink Package 5-5-5-15

BUFFALO FSX1066D2C-2G 2048MB DS N/A Heat-Sink Package 5-5-5-15

Elixir M2Y1G64TU88D5B-BD 1024MB SS Elixir M2TU1G800E-BD 5

Kingtiger KTG2G1066PG2 2048MB DS N/A Heat-Sink Package

MUSHKIN 996684 2048MB(Kit of 2) SS N/A Heat-Sink Package 5-5-5-15 2.0 ~ 2.1V

Mushkin 996612 2048MB(kit of 2) DS N/A Heat-Sink Package 5-5-5-15 2.1V

PATRIOT PDC22G8500ELK 2048MB(Kit of 2) DS N/A Heat-Sink Package 5-5-5-12 2.3V

E4711_M4A785D-M PRO.indb 12 7/6/09 9:09:49 AM

ASUS M4A785D-M PRO 1-13

DDR2-800MHz capability

DIMM

Timing

SS/

Chip

Support

Vendor Part No. Size

Chip No.

DIMM

Voltage

DS

Brand

(BIOS)

A* B* C*

A-Data AD2800E001G0U 2048MB(Kit of 2) SS N/A Heat-Sink Package 4-4-4-12 2.0~2.1V

A-Data M2GVD6G314170Q1E58 1024MB DS VDATA VD29608A8A-25EG80813

A-Data AD2800002GMU 2048MB DS Hynix Heat-Sink Package

A-Data AD2800E002GOU 4096MB(Kit of 2) DS N/A Heat-Sink Package 4-4-4-12 1.9~2.1V

Apacer 78.91G91.9K5 512MB SS Apacer AM4B5708JQJS8E0751C 5

Apacer 78.01GA0.9L5 1024MB SS Apacer AM4B5808FEWS8E0909C 5

Corsair CM2X1024-6400 1024MB DS Corsair Heat-Sink Package

Corsair XMS2-6400 1024MB DS Corsair Heat-Sink Package 4

Corsair XMS2-6400 1024MB DS Corsair Heat-Sink Package 5

Corsair CM2X2048-6400C5DHX 4096MB(Kit of 2) DS N/A Heat-Sink Package 5

Corsair CM2X2048-6400C5 4096MB(Kit of 2) DS N/A Heat-Sink Package 5

Crucial BL12864AL80A.8FE5(EPP) 2048MB(kit of 2) SS N/A Heat-Sink Package 4-4-4-12

Crucial CT25664AA800.16FG 2048MB DS Micron 8ZG27 D9JWB 6-6-6-12

Crucial BL25664AL80A.16FE5(EPP) 4096MB(kit of 2) DS N/A Heat-Sink Package 4-4-4-12

Crucial BL25664AR80A.16FE5(EPP) 4096MB(kit of 2) DS N/A Heat-Sink Package 4-4-4-12

G.SKILL F2-6400CL5D-1GBNQ 512MB SS G.SKILL Heat-Sink Package

5-5-5-15

SN:8151030036642

G.SKILL F2-6400CL4D-2GBPK 1024MB DS G.SKILL Heat-Sink Package 4

G.SKILL F2-6400CL5D-2GBNQ 1024MB DS G.SKILL Heat-Sink Package 5

G.SKILL F2-6400CL4D-4GBPK 2048MB DS G.SKILL Heat-Sink Package 4

G.SKILL F2-6400CL5D-4GBPQ 2048MB DS G.SKILL Heat-Sink Package 5

G.SKILL F2-6400CL6Q-16GMQ 4096MB DS N/A Heat-Sink Package 5

GEIL GB22GB6400C4DC 1024MB DS GEIL GL2L64M088BA30EB 5

GEIL GB22GB6400C5DC 1024MB DS GEIL GL2L64M088BA30EB 5

GEIL GB24GB6400C4QC 1024MB DS GEIL GL2L64M088BA30EB 4

GEIL GB24GB6400C5QC 1024MB DS GEIL GL2L64M088BA30EB 5

GEIL GE22GB800C4DC 1024MB DS GEIL Heat-Sink Package 4

GEIL GE22GB800C5DC 1024MB DS GEIL Heat-Sink Package 5

GEIL GE24GB800C4QC 1024MB DS GEIL Heat-Sink Package 4

GEIL GE24GB800C5QC 1024MB DS GEIL Heat-Sink Package 5

GEIL GX22GB6400DC 1024MB DS GEIL Heat-Sink Package 5 1.8V

GEIL GX22GB6400UDC 1024MB DS GEIL Heat-Sink Package 4

GEIL GB24GB6400C5DC 2048MB DS GEIL GL2L128M88BA25AB 5

GEIL GB28GB6400C4QC 2048MB DS GEIL GL2L128M88BA25AB 4

GEIL GB28GB6400C5QC 2048MB DS GEIL GL2L128M88BA25AB 5

GEIL GE24GB800C4DC 2048MB DS GEIL Heat-Sink Package 4

GEIL GE24GB800C5DC 2048MB DS GEIL Heat-Sink Package 5

GEIL GE28GB800C4QC 2048MB DS GEIL Heat-Sink Package 4

GEIL GE28GB800C5QC 2048MB DS GEIL Heat-Sink Package 5

GEIL GX22GB6400C4USC 2048MB DS GEIL Heat-Sink Package 4

GEIL GX22GB6400LX 2048MB DS GEIL Heat-Sink Package 5

GEIL GX24GB6400DC 2048MB DS GEIL Heat-Sink Package 5

GEIL GX24GB6400DC 2048MB DS GEIL Heat-Sink Package 5

Kingmax KLDD48F-B8KU5 NGES 1024MB SS Kingmax KKB8FNUBF-DNX-25A

kingmax KLDE88F-B8KU5 NHES 2048MB DS kingmax KKB8FNUBF-DNX-25A

Kingston KVR800D2N6/ 512 512MB SS Elpida E5108AJBG-8E-E 6

(continued on the next page)

E4711_M4A785D-M PRO.indb 13 7/6/09 9:09:51 AM

1-14 Chapter 1: Product introduction

DDR2-800 MHz capability

DIMM

Timing

SS/

Chip

Support

Vendor Part No. Size

Chip No.

DIMM

Voltage

DS

Brand

(BIOS)

A* B* C*

Kingston KHX6400D2LLK2/1GN 1024M(Kit of 2) SS Kingston Heat-Sink Package 4-4-4-12 2.0V

Kingston KVR800D2N5/1G(low prole) 1024MB SS Elpida E1108AEBG-8E-F 5 1.8V

Kingston KVR800D2N6/1G(low prole) 1024MB SS Samsung K4T1G084QE 6 1.8V

Kingston KHX6400D2K2/2G 2048MB(Kit of 2) DS N/A Heat-Sink Package 5-5-5-15 2.0V

Kingston KVR800D2N5/2G(low prole) 2048MB DS Kingston D1288TEFCGL25U 5 1.8V

Kingston KVR800D2N6/2G(low prole) 2048MB DS Samsung K4T1G084QE 6 1.8V

Kingston KVR800D2N6/4G 4096MB DS Elpida E2108ABSE-8G-E 6 1.8V

Micron MT9HTF6472AY-80ED4 512MB SS Micron 6ED22D9GKX(ECC)

Micron MT9HTF12872AY-800E1 1024MB SS Micron D9HNP 7YE22(ECC)

Micron MT18HTF12872AY-80ED4 1024MB DS Micron 6TD22D9GKX(ECC)

Micron MT16HTF25664AY-800G1 2048MB DS Micron 8ZG27 D9JWB 6-6-6-12

OCZ OCZ2G800R22GK 1024MB DS OCZ Heat-Sink Package 4-5-5-15 2.0V

OCZ OCZ2P800R22GK 1024MB DS OCZ Heat-Sink Package 4-4-4-15 1.9

- 2.1 V

OCZ OCZ2RPR8002GK 1024MB DS OCZ Heat-Sink Package 4-4-4-15 2.1V

OCZ OCZ2VU8004GK 1024MB DS OCZ Heat-Sink Package 5-6-6-18 1.8V

OCZ OCZ2SE8002GK 2048MB(Kit of 2) DS N/A Heat-Sink Package 5-5-5-15 1.8V

OCZ OCZ2F8004GK(EPP) 2048MB DS N/A Heat-Sink Package 5-4-4-18 2.1V

OCZ OCZ2P8004GK 4096MB(Kit of 2) DS N/A Heat-Sink Package 5-4-4-15 2.1v

PSC AL7E8F73C-8E1 1024MB SS PSC A3R1GE3CFF734MAA0E 5

PSC AL7E8G73F-8E1 1024MB SS PSC P3R1GE3FGF850MAC19

PSC AL7E8E63H-10E1K 2048MB DS PSC A3R1GE3CFF750RABBP(ECC)

PSC AL8E8F73C-8E1 2048MB DS PSC A3R1GE3CFF734MAA0E 5

PSC AL8E8G73F-8E1 2048MB DS PSC P3R1GE3FGF850MAC19

PSC PL8E8F73C-8E1 2048MB DS PSC SHG772-AA3G 5

PSC PL8E8G73E-8E1 2048MB DS PSC XCP271A3G-A 5

Qimonda HYS64T256020EU-2.5-C2 2048MB DS Qimonda HY818T1G800C2F-2.5 5

Samsung M378T6553GZS-CF7 512MB SS Qimonda K4T51083QG-HCF7 6

Samsung M378T2863EHS-CF7 1024MB SS Samsung K4T1G084QE

Samsung M378T2863QZS-CF7 1024MB SS Qimonda K4T1G084QQ-HCF7 6

Samsung M391T2863QZ3-CF7 1024MB SS Samsung K4T1G084QQ-HCF7(ECC)

Samsung M378T2953GZ3-CF7 1024MB DS Samsung K4T51083QG

Samsung M378T2953GZ3-CF7 1024MB DS Samsung K4T51083QG-HCF7 6

Samsung M37875663QZ3-CF7 2048MB DS Samsung K4T1G084QQ-HCF7 6

Samsung M391T5663QZ3-CF7 2048MB DS Samsung K4T1G084QQ-HCF7(ECC)

Samsung M378T5263AZ3-CF7 4096MB DS Samsung K4T2G084QA-HCF7

Super

T800UB1GC4 1024MB DS Super

Heat-Sink Package 4 1.8V

Talent

Talent

Transcend TS64MLQ64V8J 512MB SS Micron 7HD22 D9GMH 5

Transcend JM800QLU-1G 1024MB SS Transced TQ1243PCF8 5

Transcend TS128MLQ64V8U 1024MB SS ELPIDA E1108ACBG-8E-E 5

Transcend JM800QLJ-1G 1024MB DS Transced TQ123PJF8F0801 5

Transcend JM800QLJ-1G 1024MB DS Transcend TQ123YBF8 T0747 5

Transcend TS128MLQ64V8J 1024MB DS Mircon 7HD22D9GMH 5

Transcend JM800QLU-2G 2048MB DS Transced TQ243PCF8 5

Transcend TS256MLQ64V8U 2048MB DS Elpida E1108ACBG-8E-E 5

Transcend TS256MLQ72V8U 2048MB DS Elpida E1108ACBG-8E-E(ECC)

AENEON AET760UD00-25DC08X 1024MB SS AENEON AET03R250C 0732 5

(continued on the next page)

E4711_M4A785D-M PRO.indb 14 7/6/09 9:09:53 AM

ASUS M4A785D-M PRO 1-15

DDR2-800 MHz capability

DIMM

Timing

SS/

Chip

Support

Vendor Part No. Size

Chip No.

DIMM

Voltage

DS

Brand

(BIOS)

A* B* C*

AENEON AET860UD00-25DC08X 2048MB DS AENEON AET03R25DC 0732 5

ASINT SLY2128M8-JGE 1024MB SS ASINT DDRII1208-GE 8115

ASINT SLZ2128M8-JGE 2048MB DS ASINT DDRII1208-GE 8115

Century 28V0H8 1024MB DS Hynix HY5PS12821CFP-S5 5

Elixir M2Y1G64TU88D5B-AC

1024MB SS Elixir N2TU16800E-AC

0828.GS

ELIXIR M2Y1G64TU8HB0B-25C 1024MB DS ELIXIR N2TU 51280BE-

5

25C802006Z1DV

Elixir M2Y2G64TU8HD5B-AC

2048MB DS Elixir N2TUG80DE-AC

0826.SG

Kingtiger 1GB DIMM PC2-6400 1024MB DS Hynix HY5PS12821C FP-S5

Kingtiger 2GB DIMM PC2-6400 2048MB DS Hynix HY5PS1G831C FP-S6

Kingtiger KTG2G800PG2 2048MB DS N/A Heat-Sink Package

Kingtiger KTG2RX16P ST-01 4096MB(Kit of 2 ) DS N/A Heat-Sink Package 5-5-5-15 1.9V

MDT MDT 512MB 512MB SS MDT 18D 51280D-2.50726F 5

MDT MDT 1024MB 1024MB DS MDT 18D 51280D-2.50726E 5

PATRIOT PDC24G6400ELK 4096MB(Kit of 2 ) DS N/A Heat-Sink Package 5-5-5-12 2.0V

TAKEMS TMS51B264C081-805EP 512MB SS takeMS MS18T 51280-2.5P0710 5

TAKEMS TMS1GB264D082-805EE 1024MB SS TAKEMS WS18T1G80-205 E0905 5

TAKEMS TMS1GB264C081-804EE 1024MB DS TAKEMS Heat-Sink Package 4-4-4-12

TAKEMS TMS1GB264C081-805EP 1024MB DS takeMS MS18T 51280-2.5P0716 5

TAKEMS TMS2GB264D081-805KE 2048MB DS TAKEMS MS18T1G80-205 E0907 5

UMAX D48001GP3-63BJU 1024MB DS UMAX U2S12D30TP-8E

UMAX D48002GP0-73BCU 2048MB DS UMAX U2S24D30TP-8E 5

VDATA M2XSSKG3147C1L1C5Z 1024MB DS Samsung K4T51083QE

VDATA M2XHYKH3J47CC01E5Z 2048MB DS Hynix H5PS1G83EFRS6C 852AK

V-Data M2GVD6G3H3160Q1E52 512MB SS VDATA VD29608A8A-25EG20813

DDR2-667MHz capability

Timing

DIMM Support

SS/

Chip

Vendor Part No. Size

Chip No.

DIMM

Voltage

DS

Brand

(BIOS)

A* B* C*

A-Data M2OAD5H3J4170I1C53 2048MB DS ADATA AD20908A8A-3EG 30724

Apacer 78.91G92.9K5 512MB SS Apacer AM4B5708JQJS7E0751C 5

Apacer AU 512E667C5KBGC 512MB SS Apacer AM4B5708MIJS7E0627B 5

Apacer 78.01G9O.9K5 1024MB SS Apacer AM4B5808CQJS7E0751C 5

Apacer AU01GE667C5KBGC 1024MB DS Apacer AM4B5708GQJS7E0636B

Apacer AU01GE667C5KBGC 1024MB DS Apacer AM4B5708MIJS7E0627B 5

Apacer 78.A1G9O.9K4 2048MB DS Apacer AM4B5808CQJS7E0749B 5

Corsair VS 512MB667D2 512MB DS Corsair MIII0052532M8CEC

Corsair VS1GB667D2 1024MB DS Corsair MID095D62864M8CEC

Corsair XMS2-5400 1024MB DS Corsair Heat-Sink Package 4

G.SKILL F2-5400PHU2-2GBNT 2048MB(Kit of 2) DS G.SKILL D2 64M8CCF 0815 C7173S 5-5-5-15

G.SKILL F2-5300CL5D-4GBMQ 4096MB(Kit of 2) DS G.SKILL Heat-Sink Package

5-5-5-15

SN:8151030036559

(continued on the next page)

E4711_M4A785D-M PRO.indb 15 7/6/09 9:09:54 AM

1-16 Chapter 1: Product introduction

DDR2-667MHz capability

Timing

DIMM Support

SS/

Chip

Vendor Part No. Size

Chip No.

DIMM

Voltage

DS

Brand

(BIOS)

A* B* C*

GEIL GX21GB5300SX 1024MB DS GEIL Heat-Sink Package 3

GEIL GX22GB5300LX 2048MB DS GEIL Heat-Sink Package 5

GEIL GX24GB5300LDC 2048MB DS GEIL Heat-Sink Package 5

Kingmax KLCC28F-A8KB5 512MB SS Kingmax KKEA88B4LAUG-29DX

Kingmax KLCD48F-A8KB5 1024MB DS Kingmax KKEA88B4LAUG-29DX

Kingston KVR667D2N5/ 512(low prole) 512MB SS Elpida E5108AJBG-6E-E 5 1.8V

Kingston KVR667D2E5/1G 1024MB SS Elpida E1108ACBG-8E-E(ECC) 5 1.8V

Kingston KVR667D2N5/1G(low prole) 1024MB DS Elpida E5108AJBG-8E-E 5 1.8V

Kingston KVR667D2E5/2G 2048MB DS Nanya NT5TU128M8DE-3C(ECC) 5 1.8V

Kingston KVR667D2N5/2G(low prole) 2048MB DS Elpida E1108ACBG-8E-E 5 1.8V

Micron MT8HTF12864AY-667E1 1024MB SS Micron D9HNL 7ZE17 5

PSC AL6E8E63J-6E1 512MB SS PSC A3R12E3JFF717B9A00 5

PSC AL7E8F73C-6E1 1024MB SS PSC A3R1GE3CFF734MAA0J 5

PSC AL6E8E63J-6E1 1024MB DS PSC A3R12E3JFF717B9A01 5

PSC AL8E8F73C-6E1 2048MB DS PSC A3R1GE3CFF733MAA00 5

Samsung M378T5263AZ3-CE6 4096MB DS Samsung K4T2G084QA-HCE6

Super

T667UB1GV 1024MB DS Super

PG 64M8-800 0750 5 1.8V

Talent

Talent

Transcend JM667QLU-1G 1024MB SS Transced TQ243PCF8T0838 5

Transcend JM667QLJ-1G 1024MB DS Elpida E5108AJBG-6E-E 5

Transcend JM667QLU-2G 2048MB DS Transced TQ243PCF8T0834 5

Twinmos 8D-A3JK5MPETP 512MB SS PSC A3R12E3GEF633ACAOY 5

AENEON AET860UD00-30DB08X 2048MB DS AENEON AET03F30DB 0730 5

Asint SLX264M8-J6E 512MB SS Asint DDRII6408-6E

ASINT SLY2128M8-J6E 1024MB SS ASINT DDRII1208-6E 8115

Century CENTURY 512MB 512MB SS Hynix HY5PS12821AFP-Y5

Century CENTURY 512MB 512MB SS Nanya NT5TU64M8AE-3C

Century CENTURY 1G 1024MB DS Hynix HY5PS12821AFP-Y5

Century CENTURY 1G 1024MB DS Nanya NT5TU64M8AE-3C

ELIXIR M2Y1G64TU8HA2B-3C 1024MB DS elixir M2TU 51280AE-

5 1.7-

3C717095R28F

1.9v

Elixir M2Y1G64TU8HBOB-3C 1024MB DS Elixir N2TU 51280BE-

5

3C639009W1CF

KINGBOX 512MB 667MHz 512MB SS KINGBOX EPD264082200-4

KINGBOX DDRII 1G 667MHz 1024MB DS KINGBOX EPD264082200-4

Leadmax LRMP 512U64A8-Y5 1024MB DS Hynix HY5PS12821CFP-Y5 C

5

702AA

MDT DDRII 512 PC667 512MB DS MDT 18D 51201D-30726E 4

MDT MDT 1024MB 1024MB DS MDT 18D 51280D-30646E 4

TAKEMS TMS51B264C081-665AP 512MB SS takeMS MS18T 51280-3S0627D 5

TAKEMS TMS51B264C081-665QI 512MB SS takeMS MS18T 51280-3 5

TAKEMS TMS1GB264C081-665AE 1024MB DS takeMS MS18T 51280-3SEA07100 5

TAKEMS TMS1GB264C081-665AP 1024MB DS takeMS MS18T 51280-3SP0717A 5

TAKEMS TMS1GB264C081-665QI 1024MB DS takeMS MS18T 51280-3 5

TEAM TVDD1.02M667C4 1024MB DS TEAM T2D648PT-6

UMAX D46701GP3-63BJU 1024MB DS UMAX U2S12D30YP-6E

UMAX D46702GP0-73BCU 2048MB DS UMAX U2S24D30TP-6E 5

E4711_M4A785D-M PRO.indb 16 7/6/09 9:09:56 AM

ASUS M4A785D-M PRO 1-17

The default DIMM frequency depends on its Serial Presence Detect (SPD), which is the

standard way of accessing information from a memory module. Under the default state,

some memory modules for overclocking may operate at a lower frequency than the

vendor-marked value.

The memory modules may require a better cooling system to work stably under full

loading (4 DIMMs) or overclocking setting.

SS - Single-sided / DS - Double - sided

DIMM support:

A*: Supports one module inserted into any slot as Single-channel memory conguration.

B*: Supports one pair of modules inserted into either the blue or black slots as one

pair of Dual-channel memory conguration.

C*: Supports four modules inserted into both the blue and black slots as two pairs of

Dual-channel memory conguration.

Visit the ASUS website www.asus.com for the latest QVL.

E4711_M4A785D-M PRO.indb 17 7/6/09 9:09:56 AM

1-18 Chapter 1: Product introduction

1.7.3 Installing a DIMM

Unplug the power supply before adding or removing DIMMs or other system components.

Failure to do so can cause severe damage to both the motherboard and the components.

2

1. Press the retaining clips outward to

DDR2 DIMM notch

unlock a DDR2 DIMM socket.

2. Align a DIMM on the socket such that

the notch on the DIMM matches the

1

break on the socket.

1

Unlocked retaining clip

A DDR2 DIMM is keyed with a notch so that it ts in only one direction. DO NOT force a

DIMM into a socket to avoid damaging the DIMM.

3. Firmly insert the DIMM into the socket

until the retaining clips snap back in place

3

and the DIMM is properly seated.

Locked Retaining Clip

1.7.4 Removing a DIMM

To remove a DIMM:

1. Simultaneously press the retaining clips

outward to unlock the DIMM.

2

Support the DIMM lightly with

your ngers when pressing the

retaining clips. The DIMM might

1

get damaged when it ips out with

extra force.

1

DDR2 DIMM notch

2. Remove the DIMM from the socket.

E4711_M4A785D-M PRO.indb 18 7/6/09 9:10:01 AM