Ciprico Rimfire 3880 - Manual (Page 161)

User’s Guide 21020285 D
Chapter 7 Board-control Commands
Board Information (15H) Page 7 - 37
Termination
This field returns the status of the SCSI fuse on the RF3880 and the condition
of terminator power on the SCSI cable connector. It has this format:
BTP Bad SCSI Termination Power - Indicates whether there is sufficient
voltage on the TERM PWR pin of the SCSI connector.
0
⇒
Proper 4 - 5.25 volts available.
1
⇒
Less than 4 volts available.
BSF Blown SCSI Fuse - Indicates whether the Termination Power Fuse on
the adapter is intact.
0
⇒
Fuse is good.
1
⇒
Fuse is blown.
SCSI Cfig Block
This field reports the status of the SCSI Configuration Block of hardware
jumpers. You can use it to determine how the jumpers are set without removing
the board from your system:
Each bit corresponds to a hardware jumper.
0
⇒
Jumper is not present.
1
⇒
Jumper is installed.
The purpose for each jumper is described below:
Adapter Base Model #
This field of the Board Information command was added for the RF3880. If the
board is an RF3880, the value 3880H will be returned.
BITS
7 6 5 4 3 2 1 0
0 0 0 0 0 BSF BTP 0
Table 96: Bit Meanings of Termination Field
BITS
7 6 5 4 3 2 1 0
1 - 2 3 - 4 5 - 6 7 - 8 9 - 10 11 - 12 13 - 14 15 - 16
Table 97: SCSI Configuration Jumpers
Pins Description Default
1 - 2
Reserved
OUT
3 - 4 OUT
5 - 6 Enable SCSI Parity Checking OUT = Selected
7 - 8 SCSI bus Reset at Power-up OUT = Selected
9 - 10 SCSI ID Bit 3 OUT = 0
11 - 12 SCSI ID Bit 2 OUT = 0
13 - 14 SCSI ID Bit 1 OuT = 0
15 - 16 SCSI ID Bit 0 OUT = 0
Table 98: SCSI Cfig Block - Default Jumper Settings