when you say ram modules are keyed, does that mean the knotches in the plastic? or the arrangements of the pins and the actual DIMM slot?

also i got my upgrade, but it wont work with the old modules, why whats wrong? please help........

(1*256)

General Information :
DIMM1 (RAS 0, RAS 1) : 256 (Single Bank)
DIMM2 : Empty
DIMM3 : Empty

Information SPD EEPROM (DIMM1) :
Manufacturer : Hitashi
Part Number : HB52R329E2-B6D
Serial Number : 52026240
Type : SDRAM PC100 (100 MHz)
Size : 256 MB (2 rows, 4 banks)
Module Buffered : No
Module Registered : Yes
Width : 72-bit
Error Correction Capability : ECC
Max. Burst Length : 8
Refresh : Normal (15.625 µs), Self Refresh
Voltage : LVTTL
Manufacture : Week 50 of 2053
Supported Frequencies : 100 MHz
CAS Latency (tCL) : 3 clocks @100 MHz
RAS to CAS (tRCD) : 2 clocks @100 MHz
RAS Precharge (tRP) : 2 clocks @100 MHz
Cycle Time (tRAS) : 5 clocks @100 MHz

Memory Controller Information :
Memory Controller : Standard, EDO, DIMM, SDRAM
Number of connectors : 3
Max. Module Size : 256 MB
Max. Memory Size : 768 MB
Supported Speed : 70ns, 60ns
Supported Voltages : 3.3v
Error Detection Method : 8-bit Parity
Error Correction Capability : Unspecified
Current/Supported Interleave : 1-way/1-way

Advices :
The symbol indicate : Approximate Information
The symbol indicate : Information may be inaccurate





(3*64)

General Information :
DIMM1 (RAS 0, RAS 1) : 64 (Single Bank)
DIMM2 (RAS 2, RAS 3) : 64 (Single Bank)
DIMM3 (RAS 4, RAS 5) : 64 (Single Bank)

Information SPD EEPROM (DIMM1) :
Manufacturer : Unspecified
Part Number : Unspecified
Serial Number : Unspecified
Type : SDRAM PC125 (125 MHz)
Size : 64 MB (1 rows, 4 banks)
Module Buffered : No
Module Registered : No
Width : 64-bit
Error Correction Capability : No
Max. Burst Length : 8
Refresh : Normal (15.625 µs), Self Refresh
Voltage : LVTTL
Manufacture : Week 41 of 1999
Supported Frequencies : 100 MHz, 125 MHz
CAS Latency (tCL) : 2 clocks @100 MHz, 3 clocks @125 MHz
RAS to CAS (tRCD) : 2 clocks @100 MHz, 3 clocks @125 MHz
RAS Precharge (tRP) : 2 clocks @100 MHz, 3 clocks @125 MHz
Cycle Time (tRAS) : 5 clocks @100 MHz, 6 clocks @125 MHz

Information SPD EEPROM (DIMM2) :
Manufacturer : Kingston
Part Number : KGM100x72C2/64
Serial Number : Unspecified
Type : SDRAM PC100 (100 MHz)
Size : 64 MB (1 rows, 4 banks)
Module Buffered : No
Module Registered : No
Width : 72-bit
Error Correction Capability : ECC
Max. Burst Length : 4
Refresh : Normal (15.625 µs), Self Refresh
Voltage : LVTTL
Manufacture : Week 17 of 2000
Supported Frequencies : 100 MHz, 100 MHz
CAS Latency (tCL) : 2 clocks @100 MHz, 3 clocks @100 MHz
RAS to CAS (tRCD) : 2 clocks @100 MHz, 2 clocks @100 MHz
RAS Precharge (tRP) : 2 clocks @100 MHz, 2 clocks @100 MHz
Cycle Time (tRAS) : 5 clocks @100 MHz, 5 clocks @100 MHz

Information SPD EEPROM (DIMM3) :
Manufacturer : Micron Technology
Part Number : 8LSDT864AG-10EC7
Serial Number : 0215BE43
Type : SDRAM PC125 (125 MHz)
Size : 64 MB (1 rows, 4 banks)
Module Buffered : No
Module Registered : No
Width : 64-bit
Error Correction Capability : No
Max. Burst Length : 8
Refresh : Normal (15.625 µs), Self Refresh
Voltage : LVTTL
Manufacture : Week 8 of 2000
Supported Frequencies : 100 MHz, 125 MHz
CAS Latency (tCL) : 2 clocks @100 MHz, 3 clocks @125 MHz
RAS to CAS (tRCD) : 2 clocks @100 MHz, 3 clocks @125 MHz
RAS Precharge (tRP) : 2 clocks @100 MHz, 3 clocks @125 MHz
Cycle Time (tRAS) : 5 clocks @100 MHz, 7 clocks @125 MHz

Memory Controller Information :
Memory Controller : Standard, EDO, DIMM, SDRAM
Number of connectors : 3
Max. Module Size : 256 MB
Max. Memory Size : 768 MB
Supported Speed : 70ns, 60ns
Supported Voltages : 3.3v
Error Detection Method : 8-bit Parity
Error Correction Capability : Unspecified
Current/Supported Interleave : 1-way/1-way

Advices :
The symbol indicate : Approximate Information
The symbol indicate : Information may be inaccurate

__________________
PIII 450, Gigabyte Ga-6bxc, 3dfx voodoo3, 192 SDram