PM1554U2, PM2554U2, PM2654U2 Hard Disk/Floppy Controller Settings and Configuration

Card Type	Hard drive controller
Chip Set	Unidentified
Maximum Onboard Memory	256MB DRAM with memory module
I/O Options	SCSI connectors (2), expansion module connectors (2)
Hard Drives supported	Up to 15 Ultra2/LVD Wide SCSI devices Up to 45 Wide SCSI-2 or Ultra-wide SCSI devices with expansion board upgrades
Floppy drives supported	None
Data Bus	32-bit PCI
Card Size	Full-length

CONNECTIONS
Function	Label	Function	Label
End connector to memory accelerator expansion module	J6	68-pin SCSI connector Ch. 0 - external	J11
Header connector to bus expansion module	J7	4-pin connector - drive active LED	P6
68-pin SCSI connector C.h 0 - internal	J10

USER CONFIGURABLE SETTINGS
Function	Label	Position
NVRAM reset to default settings	P4	Pins 1 & 2 closed
NVRAM setup parameters retained	P4	Pins 3 & 4 closed
Load enabled	P9	Pins 1 & 2 closed
Run enabled	P9	Pins 3 & 4 closed

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
LED1	Unidentified	On	Controller is ready; interrupts are enabled
LED1	Unidentified	Off	Controller is inactive
LED1	Unidentified	Blinking	Controller is active
LED2	Unidentified	On	Non-maskable interrupt (NMI) detected
LED2	Unidentified	Off	NMI not detected
LED3	Unidentified	On	Controller in idle loop mode
LED3	Unidentified	Off	Controller not in idle loop mode
LED4	Unidentified	On	Interrupt is being processed
LED4	Unidentified	Off	Interrupt is not being processed
LED5	Unidentified	Off	Not used
LED6	Unidentified	On	Cache controller is using DMA to perform a data transfer
LED6	Unidentified	Off	Cache controller is not using DMA to perform a data transfer
LED7	Unidentified	On	Parity is being generated
LED7	Unidentified	Off	Parity is not being generated
LED8	Unidentified	On	Command detected on SCSI
LED8	Unidentified	Off	Command not detected on SCSI
IRQ	Unidentified	On	Interrupt has been activated on host PCI bus
IRQ	Unidentified	Off	Interrupt has not been activated on host PCI bus

CONNECTIONS
Function	Label
Docking connector to Controller card	J1

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
ECCEN	Green	On	Cache is ECC protected
ECCEN	Green	Off	Cache is not ECC protected
ECCER	Red	On	Error detected. Cache failure information reported
ECCER	Red	Off	Error not detected

SIMM MEMORY CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
16MB	(1)4MB x 32	None	None	None
32MB	(1)4MB x 32	(1)4MB x 32	None	None
48MB	(1)4MB x 32	(1)4MB x 32	(1)4MB x 32	None
64MB	(1)4MB x 32	(1)4MB x 32	(1)4MB x 32	(1)4MB x 32
64MB	(1)16MB x 32	None	None	None
80MB	(1)16MB x 32	(1)4MB x 32	None	None
128MB	(1)16MB x 32	(1)16MB x 32	None	None
144MB	(1)16MB x 32	(1)16MB x 32	(1)4MB x 32	None
160MB	(1)16MB x 32	(1)16MB x 32	(1)4MB x 32	None
192MB	(1)16MB x 32	(1)16MB x 32	(1)16MB x 32	None
208MB	(1)16MB x 32	(1)16MB x 32	(1)16MB x 32	(1)4MB x 32
256MB	(1)16MB x 32	(1)16MB x 32	(1)16MB x 32	(1)16MB x 32

MISCELLANEOUS TECHNICAL NOTES

For information on bus expansion modules, see DISTRIBUTED PROCESSING TECHNOLOGY PM3754U2