Sunx SL-CPCI, Instruction Manual, Page: 7 / 12

5. ASSIGNMENT ON COMPUTER
Computer I/O
address
(hexadecimal)
Assignment
Bank change-over response register
(HML) 0
00 (Initial value) 01 02 03
Data
to
Area
(HML) F
S-LINK input/output units
Address where Error 4
occurs
S-LINK unit connection
address
Control board product
information
(version etc.)
(HML 㧗 1) 0 Flag
(HML 㧗 1) 1
Under normal condition: number of connected S-LINK I/O units
When Error 4 occurs: first address of units where Error 4 occurs
(HML 㧗 1) 2 I/O setup of S-LINK
(HML
㧗
1) 3 Unused (=00)
(HML
㧗
1) 4 Bank change-over request register (Computer
→
Control board)
(HML
㧗
1) 5 Bank change-over response register (Control board
→
Computer)
(HML
㧗
1) 6 System set
(HML 㧗 1) 7 Frame check
Status
Area
(HML 㧗 1) 8 Number of S-LINK I/O units where Error 4 occurs
(HML 㧗 1) 9 Number of connected S-LINK I/O units
(HML 㧗 1) A System address length
(HML 㧗 1) B Address of SL-BS1A where operation stops
(HML 㧗 1) C Address of connected SL-BS1A
(HML 㧗 1) D Unused (=00)
(HML
㧗
1) E
(HML
㧗
1) F
System reserved (impossible to write in)
(HML
㧗
2) 0 Board select number
(HML
㧗
2) 1
to
(HML
㧗
3) F
System reserved (impossible to write in)
Notes: 1) For (HML) 0 to (HML) F, the contents of the assignment vary depending on the contents of the bank change-over
request register and the bank change-over response register.
2) Reading out/Writing in (HML) 0 to (HML) F must be done after the contents of the bank change-over request register
and those of the bank change-over response register match.
3) Do not write into ‘Unused’ or ‘System reserved’ locations.
6