Question about Gateway 507GR PC Desktop
Put the new ram in slots 2 and 4.
Slots 1 & 2 are channel 1 slots 3 & 4 are channel 2, you need matching sets in each channel to run dual channel mode.
Posted on Jun 09, 2008
That is not always the case! Many computers DO come with alternate ram slots. Meaning... that slots 1 and 3 would be the place you would want matching pairs. As well as in 2 and 4... If that computer came from the factory with 2 chips and they were in 1 and 3, chances are they should stay there. The new chips should then be placed in 2 and 4 to be matched. Are the slots color coded at all? The color codes indicate which slots are for matched pairs as well. It depends on the individual motherboard and to safely answer this person's question, one would need to see a picture of the main board or know the model number first.
Posted on Jun 09, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
For dual-channel memory configuration (2), you may:
• install identical DIMMs in all four sockets OR
• install an identical DIMM pair in DIMM_A1 and DIMM_B1 (yellow
sockets) and another identical DIMM pair in DIMM_A2 and
DIMM_B2 (black sockets)
* Always use identical DDR2 DIMM pairs for dual-channel model. For
optimum compatibility, we recommend that you obtain memory modules
from the same vendor.
Sep 11, 2011 | ASUS M2N-MX Motherboard
This motherboard can support up to 2Gb of DDR266 RAM modules.
Attached is part of the memory detail from the manual.
If you need a copy of the manual. please click on this link to download :-
18.104.22.168 Memory Configuration
Memory interface between the MCH and DIMMs is 144 bits wide. This requires that two DIMMs
be populated per bank in order for the system to operate. At least one bank has to be populated
in order for the system to boot. If additional banks have less than two DIMMs, the memory for
that bank(s) will not be available to the system.
There are two banks of DIMMs, labeled Bank1 and Bank2. Bank1 contains DIMM locations
DIMM1A and DIMM1B and Bank2 contains DIMM2A and DIMM2B. DIMM socket identifiers are
marked with silk screen next to each DIMM socket on the baseboard. The sockets associated
with any given bank are located next to each other.
The baseboard's signal integrity is optimized when memory banks are populated in order.
Therefore, DIMM Bank1 must be populated before Bank2.
DIMM and memory configurations must adhere to the following:
• DDR266 DDR registered DIMM modules
• DIMM organization: x72 ECC
• Pin count: 184
• DIMM capacity: 128 MB, 256 MB, 512 MB, 1 GB, 2 GB
• Serial PD: JEDEC Rev 2.0
• Voltage options: 2.5 V (VDD/VDDQ)
• Interface: SSTL2
• Two DIMMs must be populated in a bank for a 144-bit wide memory data path
• One or two memory banks may be populated
Table 2. Memory Bank Labels
Memory DIMM Bank Row
J8D22 (DIMM 1A), J8D15 (DIMM 1B) 1 0, 1
J8D7 (DIMM 2A), J8D1 (DIMM 2B) 2 2, 3
Note: Memory must be installed in pairs; DIMM Bank1 must be populated before DIMM Bank2.
Memory within a DIMM bank must be identical; between banks only the DIMM size may be
Functional Architecture Intel® Server Board SE7501BR2 Technical Product Specification
26 Revision 1.2
Intel Order Number C13977-003
Figure 3. Memory Bank Label Definition
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