continued ValueRAM
Kingston.com Document No. VALUERAM0550-001.A00 05/21/07 Page 5
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Advanced Memory Buffer Pin Description:
Pin Name Pin Description Count
FB-DIMM Channel Signals 99
1enil evitisop ,tupnI kcolC metsySKCS
SCK 1enil evitagen ,tupnI kcolC metsyS
41senil evitisop ,ataD dnuobhtroN yramirP]0:31[NP
PN 41senil evitagen ,ataD dnuobhtroN yramirP]0:31[
01senil evitisop ,ataD dnuobhtuoS yramirP]0:9[SP
PS 01senil evitagen ,ataD dnuobhtuoS yramirP]0:9[
41senil evitisop ,ataD dnuobhtroN yradnoceS]0:31[NS
SN 41senil evitagen ,ataD dnuobhtroN yradnoceS]0:31[
01senil evitisop ,ataD dnuobhtuoS yradnoceS]0:9[SS
SS 01senil evitagen ,ataD dnuobhtuoS yradnoceS]0:9[
FBDRESTo an external precision cali 1ccV ot detcennoc rotsiser noitarb
DDR2 Interface Signals 175
DQS[8:0] Data Strobes, positive lines 9
DQS[8:0] Data Strobes, negative lines 9
DQS[17:9]/DM[8:0]Data Strobes (x4 DRAM only), positive lines. These signals are driven low to x8 DRAM on writes
DQS 9senil evitagen ,)ylno MARD 4x( sebortS ataD]9:71[
DQ[63:0]Data 64
CB[7:0]Checkbits 8
23dnammoc egrahc-erp eht fo trap si 01A .sesserddAB]0:51[A ,A]0:51[A
BA[2:0]A, BA[2:0]BBank Addresses 6
RASA, RASBPart of command, with CAS, WE, and CS 2.]0:1[
CASA, CASBPart of command, with RAS, WE, and CS 2.]0:1[
WEA, WEBPart of command, with RAS, CAS, and CS 2.]0:1[
ODTA, ODTB On-die Termination Enable 2
CKE[1:0]A, CKE[1:0]BClock Enable (one per rank) 4
CS[1:0]A, CS[1:0]BChip Select (one per rank) 4
CLK[3:0] CLK[1:0] used on 9 and 18 device DIMMs, CLK[3:0] used on 36 device DIMMs. CLK[3:2] should be out-
put disabled when not in use. 4
CLK[3:0] Negative lines for CLK[3:0] 4
1.81C_CRDD dna 81B_CRDD rof nip nruter nommoC :noitasnepmoC RDD41C_CRDD
141C_CRDD nip nruter nommoc ot detcennoc rotsiseR :noitasnepmoC RDD81B_CRDD
141C_CRDD nip nruter nommoc ot detcennoc rotsiseR :noitasnepmoC RDD81C_CRDD
DDRC_B12 DDR Compensation: Resistor connected to VSS 1
DDRC_C12 DDR Compensation: Resistor connected to VDD 1