HP 9030 - Motherboard Signal Definitions

C-4 Motherboard Pinout Data
Table C-2. Motherboard Signal Definitions
Signal
Definition
-KEY-
Keyed hole in connector.
-12
- 12 volt supply.
-19
- 19 volt supply.
-2
- 2 volt supply.
12
12 volt supply.
12MM 12 volt supply to mass storage devices only.
16 16 volt bias supply voltage.
19 19 volt supply.
3.85 3.85 volt supply.
5 5 volt supply.
5BB 5 volt battery backup.
6.7 6.7 volt supply.
AC+ 25 KHz ac sine wave from power supply.
AC-
25 KHz ac sine wave from power supply.
CCLK Baud rate generator on
SCM board for 110 backplane.
CS-12
Control sense for - 12 volt supply.
CS-2
Control sense for - 2 volt supply.
CS-2G
Control sense for - 2 volt supply ground.
CS12 Control sense for 12 volt supply.
CS3.85
Control sense for 3.85 volt supply.
CS5 Control sense for 5 volt supply.
CS6.7 Control sense for 6.7 volt supply.
CSGND Control sense for 5 volt supply ground.
DGND
Dirty ground return.
FANCTL Fan control. Connected to
PST.
FANF Power to processor stack fan (negative voltage).
FANGND
Fan ground return.
FANI Power to 110 card cage fan (negative voltage).
FANP Power to power supply fan (negative voltage).
GND
Ground plane of motherboard.
LOLINE Low line indication.
MS-12
Monitor sense for -12 volt under/over voltage.
MS-19
Monitor sense for - 19 volt under/over voltage.
MS-2
Monitor sense for - 2 volt under/over voltage.
MS12 Monitor sense for 12 volt under/over voltage.
MS19 Monitor sense for 19 volt under/over voltage.
MS3.85 Monitor sense for
3.85 volt under/over voltage.
MS5 Monitor sense for 5 volt under/over voltage.
MS6.7 Monitor sense for 6.7 volt under/over voltage.
NARQ
HP-CIO card requests attention (negative true).
NBR
110 bus burst mode DMA request (negative true).
NDEND 110 bus device end (negative true).
NDO Door open (negative true). Wired OR of NPDO and NIDO.
NDOORLED
Doop open (negative true).
NFANHI
Power supply fan at highest speed (negative true).
NFLG 110 bus ready for data (negative true).
NIC1 110 bus interface control bit 1 (negative true).
NIC2
110 bus interface control bit 2 (negative true).
NIC3
110 bus interface control bit 3 (negative true).
NIC4
110 bus interface control bit 4 (negative true).