Compaq 164SX user manual Sdram Dimm Connector Pinouts, 3shows the Sdram Dimm connector pinouts

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SDRAM DIMM Connector Pinouts

4.3 SDRAM DIMM Connector Pinouts

Table 4–3shows the SDRAM DIMM connector pinouts.

Table 4–3 SDRAM DIMM Connector Pinouts (J7 through J10) 1

 

(Sheet 1 of 2)

Pin

Signal

Pin

Signal

Pin

Signal

Pin

Signal

 

 

 

 

 

 

 

 

1

Gnd

2

DQ0

3

DQ1

4

DQ2

5

DQ3

6

+3V

7

DQ4

8

DQ5

9

DQ6

10

DQ7

11

DQ8

12

Gnd

13

DQ9

14

DQ10

15

DQ11

16

DQ12

17

DQ13

18

+3V

19

DQ14

20

DQ15

21

CB0

22

CB1

23

Gnd

24

NC

25

NC

26

+3V

27

 

 

 

 

28

DQMB0

WE

29

DQMB1

30

 

 

31

NC

32

Gnd

S0

33

A0

34

A2

35

A4

36

A6

37

A8

38

A10

39

A12

40

+3V

41

+3V

42

CK0

43

Gnd

44

NC

45

 

 

46

DQMB2

47

DQMB3

48

NC

S2

49

+3V

50

NC

51

NC

52

CB2

53

CB3

54

Gnd

55

DQ16

56

DQ17

57

DQ18

58

DQ19

59

+3V

60

DQ20

61

NC

62

NC

63

CKE1

64

Gnd

65

DQ21

66

DQ22

67

DQ23

68

Gnd

69

DQ24

70

DQ25

71

DQ26

72

DQ27

73

+3V

74

DQ28

75

DQ29

76

DQ30

77

DQ31

78

Gnd

79

CK2

80

NC

81

NC

82

SDA

83

SCL

84

+3V

85

Gnd

86

DQ32

87

DQ33

88

DQ34

89

DQ35

90

+3V

91

DQ36

92

DQ37

93

DQ38

94

DQ39

95

DQ40

96

Gnd

97

DQ41

98

DQ42

99

DQ43

100

DQ44

101

DQ45

102

+3V

103

DQ46

104

DQ47

105

CB4

106

CB5

107

Gnd

108

NC

109

NC

110

+3V

111

 

 

 

112

DQMB4

CAS

113

DQMB5

114

S1

115

 

 

116

Gnd

RAS

117

A1

118

A3

119

A5

120

A7

121

A9

122

BA0

123

A13

124

+3V

4–4AlphaPC 164SX Connector Pinouts

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Contents Digital Unix October Contents Memory and Microprocessor Configuration TroubleshootingInterrupts and ISA Bus Addresses Alpha SRM Console FirmwarePage Figures Tables Page About This Manual Manual Conventions and TerminologyManual Conventions and Terminology Terms The following terms are used in this manualFeatures AlphaPC 164SX FeaturesAlphaPC 164SX Switch/Connector/Component Location AlphaPC 164SX Switch/Connector/Component List XB1Power Requirements Power RequirementsPower Supply DC Current Requirements Environmental RequirementsPhysical Parameters Physical ParametersAlphaPC 164SX Motherboard Environmental Requirements Physical Parameters ATX Hole Specification 2shows the ATX hole specification for the AlphaPC 164SX3shows the ATX I/O shield dimensions for the AlphaPC 164SX Physical Parameters ATX I/O Shield RequirementsPage AlphaPC 164SX Switch Configuration Fail-Safe Booter CF7Mini-Debugger CF3 CPU Speed Selection CF64Fail-Safe Booter CF7 AlphaPC 164SX Configuration SwitchesAlphaPC 164SX Connector Pinouts PCI Bus Connector Pinouts1shows the PCI bus connector pinouts PCI Bus Connector PinoutsPCI Bus Connector Pinouts REQ#ISA Expansion Bus Connector Pinouts ISA Expansion Bus Connector Pinouts2shows the ISA expansion bus connector pinouts ISA Expansion Bus Connector Pinouts J22, J23Sdram Dimm Connector Pinouts Sdram Dimm Connector Pinouts3shows the Sdram Dimm connector pinouts Sdram Dimm Connector Pinouts J7 through J10Eide Drive Bus Connector Pinouts Eide Drive Bus Connector Pinouts4shows the Eide drive bus connector pinouts Eide Drive Bus Connector Pinouts J5, J6Diskette Floppy Drive Bus Connector Pinouts Parallel Bus Connector PinoutsDiskette Floppy Drive Bus Connector Pinouts 5shows the diskette floppy drive bus connector pinoutsCOM1/COM2 Serial Line Connector Pinouts Keyboard/Mouse Connector PinoutsCOM1/COM2 Serial Line Connector Pinouts 7shows the COM1/COM2 serial line connector pinoutsSrom Test Data Input Connector Pinouts Input Power Connector PinoutsEnclosure Fan Power Connector Pinouts Srom Test Data Input Connector PinoutsMicroprocessor Fan Power Connector Pinouts Soft Power Connector PinoutsMultipurpose Connector Pinouts Microprocessor Fan Power Connector PinoutsMultipurpose Connector Pinouts J20Memory and Microprocessor Configuration Configuring Sdram MemoryAlphaPC 164SX Sdram Memory Configurations Upgrading Sdram MemoryUpgrading Sdram Memory Increasing Microprocessor Speed Increasing Microprocessor SpeedPreparatory Information Required ToolsInstalling the 21164PC Microprocessor Fan/Heat-Sink Assembly 6Memory and Microprocessor Configuration Interrupts and ISA Bus Addresses Interrupts1lists each AlphaPC 164SX ISA interrupt and its source ISA InterruptsISA I/O Address Map ISA I/O Address Map2lists the AlphaPC 164SX ISA I/O space address mapping ISA I/O Address MapAlpha SRM Console Firmware Alpha SRM Console Firmware ConventionsFollowing conventions are used in this section Alpha SRM Console Firmware Conventions Basic Alpha SRM Console Command Descriptions Basic Alpha SRM Console Command DescriptionsArc NoneBoot 6Alpha SRM Console Firmware Boots the system from the default boot device Deposit Writes data to the specified addressData to be deposited Clears the first 512 bytes of physical Displays the contents of the specified address Examine12Alpha SRM Console Firmware Examines Fwupdate Set Sets or modifies the value of an environment variableEnvironment variable to be assigned a new value 16Alpha SRM Console Firmware Show Environment Variables for Alpha SRM Console Commands Environment Variables for Alpha SRM Console CommandsEnvironment Variable Descriptions Architecture-Required Environment Variables System-Defined Environment Variables OffSet language Init AlphaBIOS Conventions AlphaBIOS KeysPress F2 to start the AlphaBIOS setup program Windows NT WorkstationAlphaBIOS Setup Screen Press Enter to continue the installation AlphaBIOS Upgrade Options ScreenAlphaBIOS Warning Screen Press F10 to continue the installation AlphaBIOS Upgrade SRM Console Screen6shows an example of the AlphaBIOS Upgrade Complete screen AlphaBIOS Upgrade Complete ScreenInstalling the Digital Unix Operating System Installing the Digital Unix Operating SystemRequirements Page Troubleshooting Troubleshooting Steps No VideoHardware Startup Beep Codes Post CodesBeep Codes Beep CodesPost Codes Fail-Safe Booter Fail-Safe BooterProceed to .4 and follow the procedures Battery Recycle/Disposal Information Battery Recycle/Disposal InformationPage Support, Products, and Documentation Customer SupportNews Press releases DescriptionPower Supply Supporting ProductsSupporting Products MemoryAssociated Documentation Associated DocumentationEnclosure Northwestern El Paso, TX Phone4Support, Products, and Documentation