Technical data

9030/40 Diagrams 9-25
SCM Signal Definitions
Signal
Definition
-12
- 12 volt supply.
-19
- 19 volt supply.
5 5 volt supply
5F 5 volt fused supply.
12 12 volt supply.
16 16 volt bias supply.
19
19
volt supply.
CCLK Baud rate generator for
I/O backplane.
GND
Ground plane of
SCM
NDOORLED
Door open (negative true).
NFANHI
Power supply fan at highest speed (negative true).
NFLG
VO bus ready for data (negative true).
NICI
110 bus interface control bit 1 (negative true).
NlC2
I/O bus interface control bit 2 (negative true).
NlC3
1/0 bus interface control bit 3 (negative true).
NIC4
I/O bus interface control bit 4 (negative true).
NIDOO 110 bus input/output data bit 0 (negative true).
NID01 I/O bus input/output data bit 1 (negative true).
NID02 I/O bus input/output data bit 2 (negative true).
NID03 I/O bus input/output data bit 3 (negative true).
NID04 I/O bus input/output data bit 4 (negative true).
NID05 I/O bus input/output data bit 5 (negative true).
NID06 110 bus input/output data bit 6 (negative true).
NID07 110 bus input/output data bit 7 (negative true).
NID08 1/0 bus input/output data bit 8 (negative true).
NID09 I/O bus input/output data bit 9 (negative true).
NIDOlO
1/0 bus input/output data bit 10 (negative true).
NID011
1/0 bus input/output data bit 11 (negative true).
NID012 I/O bus input/output data bit 12 (negative true).
NID013 I/O bus input/output data bit 13 (negative true).
NID014 I/O bus input/output data bit 14 (negative true).
NID015 I/O bus input/output data bit 15 (negative true).
NIFC
110 bus interface clear (negative true).
NIOOLED I/O slot 0 LED on service panel (negative true).
NI01LED
110 slot 1 LED on service panel (negative true).
NI02LED
110 slot 2 LED on service panel (negative true).
NI03LED
I/O slot 3 LED on service panel (negative true).
NI04LED
I/O slot 4 LED on service panel (negative true).
NI05LED
I/O slot 5 LED on service panel (negative true).
NI06LED
I/O slot 6 LED on service panel (negative true).
NIOSB
I/O
bus data transfer strobe (negative true).
NLOADLED
LOAD LED on service panel (negative true).
NMEMDUMP MEM DUMP switch on service panel (negative true).
NMI
Non-maskable interrupt.
NMYPA
HP-CIO card recognized its address has been asserted (negative true).
NPAO I/O bus peripheral address bit 0 (negative true).
NPA1
I/O
bus peripheral address bit 1 (negative true).
NPA2 I/O bus peripheral address bit 2 (negative true).
NPDOP Panel door open (negative true).