DISTRIBUTED PROCESSING TECHNOLOGY
PM3755U2B
Card Type |
Hard drive controller |
Chip Set |
Unidentified |
Maximum Onboard Memory |
256MB DRAM |
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 |
64-bit PCI |
Card Size |
Full-length |
CONNECTIONS | |||
Function |
Label |
Function |
Label |
32-bit header connector to expansion module |
J7 |
68-pin SCSI connector Ch. 0 - external |
J11 |
64-bit header connector to expansion module |
J8 |
4-pin connector - drive active LED |
P6 |
68-pin SCSI connector Ch. 0 - internal |
J10 | ||
Note: Header connector to BB4050 battery module is unidentified |
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 |
DIMM MEMORY CONFIGURATION | ||||
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
16MB |
(1)2MB x 64 |
None |
None |
None |
32MB |
(1)2MB x 64 |
(1)2MB x 64 |
None |
None |
48MB |
(1)2MB x 64 |
(1)2MB x 64 |
(1)2MB x 64 |
None |
64MB |
(1)2MB x 64 |
(1)2MB x 64 |
(1)2MB x 64 |
(1)2MB x 64 |
64MB |
(1)8MB x 64 |
None |
None |
None |
80MB |
(1)8MB x 64 |
(1)2MB x 64 |
None |
None |
144MB |
(1)8MB x 64 |
(1)8MB x 64 |
(1)2MB x 64 |
None |
160MB |
(1)8MB x 64 |
(1)8MB x 64 |
(1)2MB x 64 |
None |
128MB |
(1)8MB x 64 |
(1)8MB x 64 |
None |
None |
192MB |
(1)8MB x 64 |
(1)8MB x 64 |
(1)8MB x 64 |
None |
208MB |
(1)8MB x 64 |
(1)8MB x 64 |
(1)8MB x 64 |
(1)2MB x 64 |
256MB |
(1)8MB x 64 |
(1)8MB x 64 |
(1)8MB x 64 |
(1)8MB x 64 |
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 |
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 |
SX4055U2-1 EXPANSION MODULE
CONNECTIONS | |||
Function |
Label |
Function |
Label |
68-pin SCSI connector Ch. 1- internal |
J2 |
64-bit auxiliary header connector to Controller card |
P3 |
68-pin SCSI connector Ch. 1 - external |
J3 |
Header connector to Controller card |
P5 |
Note: SX4055U2-1 expansion module supports an additional 15 Ultra2/LVD Wide SCSI devices |
SX4055U2-2
CONNECTIONS | |||
Function |
Label |
Function |
Label |
68-pin SCSI connector Ch. 2 - external |
J1 |
68-pin SCSI connector Ch. 2 - internal |
J4 |
68-pin SCSI connector Ch. 1- internal |
J2 |
64-bit auxiliary header connector to Controller card |
P3 |
68-pin SCSI connector Ch. 1 - external |
J3 |
Header connector to Controller card |
P5 |
Note: SX405U2-2 expansion module supports an additional 30 Ultra2/LVD Wide SCSI devices |
SX4055F FC-AL
CONNECTIONS | |||
Function |
Label |
Function |
Label |
HSSDC FC-AL connector Ch. 1 - external |
P2 |
Header connector to Controller card |
P5 |
64-bit auxiliary header connector to Controller card |
P3 | ||
Note: Fibre channel provided by expansion module supports up to 126 additional devices |
BB4050 BATTERY BACKUP MODULE
CONNECTIONS | |||
Function |
Label |
Function |
Label |
Battery cable connector |
J1 |
Header connector to Controller card |
P12 |
Note: BB4050 battery backup module may only be installed on a PM3755U2B Controller |
DIAGNOSTIC LED(S) | |||
LED |
Color |
Status |
Condition |
LED1 |
Unidentified |
On |
Trickle charge activity detected |
LED1 |
Unidentified |
Off |
Trickle charge activity not detected |
LED2 |
Unidentified |
On |
Charging/recharging mode initiated |
LED2 |
Unidentified |
Off |
Battery module not charging |