Adaptec 1520A User Guide - Page 26

Jumper Block J7, Jumper Block J8

Get Adaptec 1520A - AHA Storage Controller Fast SCSI 10 MBps PDF manuals and user guides View all Adaptec 1520A manuals
Add to My Manuals
Save this manual to your list of manuals

Page 26 highlights

AHA-1510A/20A Series User's Guide Jumper Block J7 The host adapter floppy controller is enabled when the jumper is installed on jumper block J7. = Floppy EnabledD = Floppy Disabled D Default setting Caution: If the host adapter floppy controller is enabled, you must disconnect all other floppy controllers to avoid system hang. Jumper Block J8 This jumper block is used only when DMA is enabled on jumper block J5 pin pair DT. 1 DR D6 D5 D0 DA D6 D5 D0 Default Setting DMA Channel Set DMA channel Channel 0 Channel 5 Channel 6 Channel 7 You must also select the same interrupt channel with the DC pin pairs on jumper block J6. Set J8 Pin Pairs D0, D0 D5, D5 D6, D6 DR,DA 2-6 AAAAAAAAAAAAAAAAAASPCAAAAAArtuHoiAAArncAAAArtkAAAe-SAAAn1NAAApt5AAAeuD1AAAcmAAA0aAAANtAbeAAAeu:/AAAr2mAAA1:0AAA15bAAAA/1eAAA1rAAA0S8:AAA4/e4AAA90rAAA94i0eAAA1-AAAs08AAAU04AAA,2AAAsR-AAAe0AAAre0'AAAvsAAA.AAAGCAAAuAAAAAAidAAAeAAAAAAAAAEAAACAAAAAANAAAAAADAAAAAAaAAAtAAAeAAA:PAAA1aAAA1AAAg/AAAe2AAA:9AAA2/AAA9-AAA46AAAAAAAAAAAAAAAAAAAA

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
2-6
AHA-1510A/20A Series User’s Guide
AHA-1510A/20A Series User’s Guide
Stock Number: 510400-00, Rev. C
Page: 2-6
Print Spec Number: 491842-00
Current Date: 11/18/94
ECN Date: 11/29/94
Jumper Block J7
The host adapter floppy controller is enabled when the jumper is
installed on jumper block J7.
Caution:
If the host adapter floppy controller is
enabled, you must disconnect all other floppy con-
trollers to avoid system hang.
Jumper Block J8
This jumper block is used
only
when DMA is enabled on jumper
block J5 pin pair DT.
DMA Channel
Set J8
Pin Pairs
Set DMA channel
Channel 0
Channel 5
Channel 6
Channel 7
You must also select the
same
interrupt
channel with the DC pin pairs on jumper
block J6.
D0, D0
D5, D5
D6, D6
DR,DA
= Floppy
Enabled
= Floppy
Disabled
Default setting
1
DR D6 D5 D0 DA D6 D5 D0
Default Setting