User`s manual

A-2
Assembly Drawings
PM3755F
SIMM 1
SIMM 2
SIMM 3
SIMM 4
J7J8
J9
P4
P6
pin-1
P9
pin-1
IRQ
12
3
4
56
7
8
ECC EN
ECC ERR
Audible Alarm
P4 Pins 1-2 NVRAM Clear
Pins 3-4 Misc (Reserved, do not use)
P6 Disk Activity LED Connector
P9 Pins 1-2 Load
Pins 3-4 Run
J7 32-bit Bus Expansion Module Connector
J8 64-bit Bus Expansion Module Connector
J9 External Fibre Channel HSSDC Connector (Bus 0)
1…8, IRQ Adapter Activity LEDs
ECC EN ECC Enabled LED (Green)
ECC ERR ECC Error LED (Red)