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Parity in memory

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December 1, 2010 2:13:12 PM

I have the following memory in my system. My question is, should I have the same type and manufacture in all slots? (I get a few of parity errors and when I installed Windows 7 my sound crashed. Thank you.)

Total memory slots 4
Used memory slots 4
Free memory slots 0
Memory
Type DDR2
Size 4096 MBytes
Channels # Dual
DRAM Frequency 332.5 MHz
CAS# Latency (CL) 5 clocks
RAS# to CAS# Delay (tRCD) 5 clocks
RAS# Precharge (tRP) 5 clocks
Cycle Time (tRAS) 15 clocks
Bank Cycle Time (tRŠ”) 20 clocks
SPD
Number Of SPD Modules 4
Slot #1
Type DDR2
Size 1024 MBytes
Manufacturer Infineon
Max Bandwidth PC2-5300 (333 MHz)
Part Number 64T128020HU3SA
Serial Number 010F8113
Week/year 26 / 06
SPD Ext. EPP
JEDEC #3
Frequency 333.3 MHz
CAS# Latency 5.0
RAS# To CAS# 6
RAS# Precharge 6
tRAS 16
tRC 21
Voltage 1.800 V
JEDEC #2
Frequency 266.7 MHz
CAS# Latency 4.0
RAS# To CAS# 4
RAS# Precharge 4
tRAS 12
tRC 16
Voltage 1.800 V
JEDEC #1
Frequency 200.0 MHz
CAS# Latency 3.0
RAS# To CAS# 3
RAS# Precharge 3
tRAS 9
tRC 12
Voltage 1.800 V
Slot #2
Type DDR2
Size 1024 MBytes
Manufacturer Infineon
Max Bandwidth PC2-5300 (333 MHz)
Part Number 64T128020HU3SA
Serial Number 010F2916
Week/year 26 / 06
SPD Ext. EPP
JEDEC #3
Frequency 333.3 MHz
CAS# Latency 5.0
RAS# To CAS# 6
RAS# Precharge 6
tRAS 16
tRC 21
Voltage 1.800 V
JEDEC #2
Frequency 266.7 MHz
CAS# Latency 4.0
RAS# To CAS# 4
RAS# Precharge 4
tRAS 12
tRC 16
Voltage 1.800 V
JEDEC #1
Frequency 200.0 MHz
CAS# Latency 3.0
RAS# To CAS# 3
RAS# Precharge 3
tRAS 9
tRC 12
Voltage 1.800 V
Slot #3
Type DDR2
Size 1024 MBytes
Manufacturer Corsair
Max Bandwidth PC2-5300 (333 MHz)
Part Number VS1GB667D2
SPD Ext. EPP
JEDEC #3
Frequency 333.3 MHz
CAS# Latency 5.0
RAS# To CAS# 6
RAS# Precharge 6
tRAS 16
tRC 19
Voltage 1.800 V
JEDEC #2
Frequency 266.7 MHz
CAS# Latency 4.0
RAS# To CAS# 4
RAS# Precharge 4
tRAS 12
tRC 15
Voltage 1.800 V
JEDEC #1
Frequency 200.0 MHz
CAS# Latency 3.0
RAS# To CAS# 3
RAS# Precharge 3
tRAS 9
tRC 11
Voltage 1.800 V
Slot #4
Type DDR2
Size 1024 MBytes
Manufacturer Corsair
Max Bandwidth PC2-5300 (333 MHz)
Part Number VS1GB667D2
SPD Ext. EPP
JEDEC #3
Frequency 333.3 MHz
CAS# Latency 5.0
RAS# To CAS# 6
RAS# Precharge 6
tRAS 16
tRC 19
Voltage 1.800 V
JEDEC #2
Frequency 266.7 MHz
CAS# Latency 4.0
RAS# To CAS# 4
RAS# Precharge 4
tRAS 12
tRC 15
Voltage 1.800 V
JEDEC #1
Frequency 200.0 MHz
CAS# Latency 3.0
RAS# To CAS# 3
RAS# Precharge 3
tRAS 9
tRC 11
Voltage 1.800 V

More about : parity memory

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a c 347 } Memory
a b $ Windows 7
December 1, 2010 2:35:08 PM

The problem seems to be that 1. you are placing all Single Channel RAM into Dual Channel configurations; I know the Corsair are not a matched set and non-ECC, and 2. the Infineon seem to be ECC type RAM.

If I'm correct then at best your need to disable the Parity checking in the BIOS and hope it will all work. However, if that option is not available and the Infineon are ECC type then you'll need to replace one of the 2 'sets'.

667 MHz 5-5-5-15 @ 1.8v ECC / 1 - 64T128020HU3SA
667 MHz 5-5-5-15 @ 1.8v ECC / 2 - 64T128020HU3SA
667 MHz 5-5-5-15 @ 1.8v non-ECC / 3 - VS1GB667D2
667 MHz 5-5-5-15 @ 1.8v non-ECC / 4 - VS1GB667D2
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December 1, 2010 8:17:31 PM

Rats I bought the Corsair at Future Chop and they said it was a match pair. I am thinking of upgrading so I will have 8 gigs and I guess that is what I will be getting for Christmas now. :) 
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