Digital Equipment AXPpci 33, Design Manual

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Contents
PREFACE xi
CHAPTER 1 SYSTEM SUMMARY 1–1
CHAPTER 2 PHYSICAL DESCRIPTION 2–1
2.1 CORE MODULE ASSEMBLY 2–1
2.2 MAIN LOGIC BOARD 2–1
2.2.1 Physical Mounting 2–2
2.2.2 Connectors 2–3
2.2.2.1 DC Power Input Connectors (J33 and J34) • 2–3
2.2.2.2 Engineering and Manufacturing Test Connector (J32) • 2–6
2.2.2.3 Fan Connector (J1) • 2–7
2.2.2.4 Floppy Disk Connector (J12) • 2–7
2.2.2.5 Halt/Reset Switch Connector (J11) • 2–8
2.2.2.6 IDE Disk Connector (J18) • 2–8
2.2.2.7 ISA Slot Connectors (J20–J24) • 2–9
2.2.2.8 Keyboard Connectors (J39 and J38) • 2–9
2.2.2.9 Keylock and Power LED Connector (J9) • 2–10
2.2.2.10 LED Display Connector (J6) • 2–11
2.2.2.11 Mouse Connector — PS/2 Compatible (J40) • 2–13
2.2.2.12 Parallel Port Connector (J36) • 2–14
2.2.2.13 PCI Slot Connectors (J25–J27) • 2–14
2.2.2.14 SCSI/IDE Busy LED Connector (J14) • 2–14
2.2.2.15 SCSI–2 Cable Connector (J19) • 2–15
2.2.2.16 Serial Ports COM1 (J35) and COM2 (J37) • 2–16
2.2.2.17 SIMM Interconnect (J2–J5) • 2–17
2.2.2.18 Speaker Connector (J10) • 2–18
2.2.3 Device Sockets 2–19
2.2.3.1 AXPpci 33 Processor Socket (XE15) • 2–19
2.2.3.2 Cache Sockets (XE100–XE110) • 2–19
2.2.4 MLB Jumpers 2–20
2.2.4.1 Cache Speed Select (J17) • 2–20
2.2.4.2 CPU Clock Frequency Select Jumper (J7) • 2–20
2.2.4.3 Halt/Reset Select Jumper (J8) • 2–21
2.2.4.4 IDE DMA Request and Grant Jumpers (J15 and J16) • 2–22
2.2.4.5 SROM Select Jumpers (J28 and J29) • 2–22
2.2.4.6 SCSI Terminator Jumper (J13) • 2–23
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