Gigabyte GA-81PE1000 G/L memory running at single channel

I just upgraded to the latest BIOS in my gigabyte GA-81PE1000 G/L and received the message "Memory running at Single Channel". It didn't before.

Motherboard Properties

Motherboard ID 08/19/2005-i865PE-6A79ZG0SC-00
Motherboard Name Gigabyte GA-81PE1000 G/L

Front Side Bus Properties
Bus Type Intel NetBurst
Bus Width 64-bit
Real Clock 133 MHz (QDR)
Effective Clock 533 MHz
Bandwidth 4267 MB/s

Memory Bus Properties
Bus Width 64-bit
Real Clock 167 MHz (DDR)
Effective Clock 333 MHz
Bandwidth 2667 MB/s

Chipset Bus Properties
Bus Type Intel Hub Interface
Bus Width 8-bit
Real Clock 67 MHz (QDR)
Effective Clock 267 MHz
Bandwidth 267 MB/s

Memory Module Properties
Module Name SpecTek
Serial Number None
Module Size 1024 MB (2 rows, 4 banks)
Module Type Unbuffered
Memory Type DDR SDRAM
Memory Speed PC3200 (200 MHz)
Module Width 64 bit
Module Voltage SSTL 2.5
Error Detection Method None
Refresh Rate Reduced (7.8 us)
Highest CAS Latency 3.0 (5.0 ns @ 200 MHz)
2nd Highest CAS Latency 2.5 (6.0 ns @ 166 MHz)

Memory Module Features
Early RAS# Precharge Not Supported
Auto-Precharge Not Supported
Precharge All Not Supported
Write1/Read Burst Not Supported
Buffered Address/Control Inputs Not Supported
Registered Address/Control Inputs Not Supported
On-Card PLL (Clock) Not Supported
Buffered DQMB Inputs Not Supported
Registered DQMB Inputs Not Supported
Differential Clock Input Supported
Redundant Row Address Not Supported

Memory Module Manufacturer
Company Name Micron Technology, Inc.
Product Information

Does anyone have a solution to resolve this problem? Any help or direction is appreciated.

1 answer Last reply
More about gigabyte 81pe1000 memory running single channel
  1. Ok, here's the deal. I have two 1GB sticks and one 256MB stick. I took out the 256 and put the 1 GBs in the same color slots and viola!!! I'm running at dual channel. I guess I just needed to read the other posts and reconfigure the RAM.

    Now I'm going to get two more 1GB sticks. Thanks anyway all.
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