ix
Disk Drive Controller ................................................................................3-10
Keyboard and Mouse Interface..................................................................3-10
PCI-ISA Bridge (PIB) Controller .....................................................................3-10
Real-Time Clock/NVRAM/Timer Function .....................................................3-11
Programmable Timers.......................................................................................3-12
Interval Timers ..........................................................................................3-12
16-Bit Timers.............................................................................................3-13
Serial Communications Interface......................................................................3-13
Z8536 CIO Device.....................................................................................3-14
Base Module Feature Register ..........................................................................3-14
P2 Signal Multiplexing .....................................................................................3-15
ABORT Switch (S1) .........................................................................................3-16
RESET Switch (S2) ..........................................................................................3-16
Front Panel Indicators (DS1 – DS6) .................................................................3-17
Polyswitches (Resettable Fuses).......................................................................3-18
I/O Power...................................................................................................3-18
Speaker Control ................................................................................................3-19
PM603/604 Processor .......................................................................................3-19
Flash Memory............................................................................................3-20
RAM200 Memory Module ...............................................................................3-20
MVME712M Transition Module......................................................................3-21
MVME761 Transition Module .........................................................................3-22
Serial Interface Modules............................................................................3-22
CHAPTER 4
Connector Pin Assignments
MVME2603/2604 Connectors ...................................................................................4-1
Common Connectors .................................................................................................4-3
LED Mezzanine Connector J1 ............................................................................4-3
Debug Connector J2............................................................................................4-4
Floppy/LED Connector J4 ..................................................................................4-7
PCI Expansion Connector J5 ..............................................................................4-8
Keyboard and Mouse Connectors J6, J8...........................................................4-11
DRAM Mezzanine Connector J7......................................................................4-12
PCI Mezzanine Card Connectors......................................................................4-15
VMEbus Connector P1 .....................................................................................4-18
MVME712M-Compatible Versions.........................................................................4-19
VMEbus Connector P2 .....................................................................................4-19
SCSI Connector ................................................................................................4-21
Serial Ports 1-4..................................................................................................4-22
Parallel Connector.............................................................................................4-23