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CONNECTIONS
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Function
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Location
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3-pin connector - remote alarm
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P4
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4-pin connector - drive active LED
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P6
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34-pin cable connector - floppy drive
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P8
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50-pin SCSI connector bus 0 - internal
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P10
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50-pin SCSI connector bus 0 - external
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J11
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ECC or Parity Error LED - red
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DS1
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ECC enabled LED - green
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DS2
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LED - adapter busy
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LEDS/1
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LED - computer bus transfer to adapter
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LEDS/2
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LED - computer bus transfer from adapter
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LEDS/3
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LED - cache hit
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LEDS/4
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LED - disk read/ahead active
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LEDS/5
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LED - disk read
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LEDS/6
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LED - disk write
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LEDS/7
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LED - adapter reset
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LEDS/8
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LED - interrupt to computer pending
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LEDS/9
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LED - DRQ to computer asserted
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LEDS/10
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Note: The configuration of the 10-segment LEDS is unidentified.
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USER CONFIGURABLE SETTINGS
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Function
|
Location
|
Setting
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| »
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Bus-On time is 12.8
m
m
|
Y15
|
Open
|
|
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Bus-On time is 6.4
m
m
|
Y15
|
Close
|
| »
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SCSI active termination enabled
|
Y16
|
Close
|
|
|
SCSI active termination disabled
|
Y16
|
Open
|
| »
|
Drive address lines SA17-19 and LA17-19 enabled
|
Y19
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Close
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|
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Drive address lines LA17-19 only enabled
|
Y19
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Open
|
| »
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Floppy drive interface enabled
|
Y20
|
Close
|
|
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Floppy drive interface disabled
|
Y20
|
Open
|
| »
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ISA bus mastering enabled
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Y24
|
Close
|
|
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ISA bus mastering disabled (PIO enabled)
|
Y24
|
Open
|
| »
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Floppy controller address is primary (3F0h)
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Y34
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Open
|
|
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Floppy controller address is secondary (370h)
|
Y34
|
Close
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| »
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SCSI BIOS ROM size is 8K
|
Y38
|
Open
|
|
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SCSI BIOS ROM size is 16K (factory upgrade)
|
Y38
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Close
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| »
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External cable detection disabled
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Y39
|
Open
|
|
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External cable detection enabled
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Y39
|
Close
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| »
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Termination power from adapter to external
devices enabled
|
Y50
|
Close
|
|
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Termination power from adapter to external
devices disabled
|
Y50
|
Open
|