User`s manual

A-4
Assembly Drawings
PM3754U2
SIMM 1
SIMM 2
SIMM 3
SIMM 4
J4
8 7 6 5 4 3 2 1
IRQ
ECC ERR
ECC EN
Audible Alarm
P4
P6
pin-1
J11
pin-1
J10
pin-1
P9
pin-1
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
J4 Bus Expansion Module Connector
J10 Internal Wide Ultra2 SCSI Connector (Bus 0)
J11 External Wide Ultra2 SCSI Connector (Bus 0)
1…8+IRQ Adapter Activity LEDs
ECC EN ECC Enabled LED (Green)
ECC ERR ECC Error LED (Red)