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Old Sony Bus Interface Card

Posted on 1998-12-04
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Last Modified: 2012-06-21
I have a sony cdrom that uses the old sony bus interface card.  The interface card is cdb-23x series, and I can't find my manual for the jumper settings.  I have sent e-mails to sony for some assistance, but there has been no response.  Does anyone know which jumpers set what (and their values, too)?
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Question by:madtrader
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whoami earned 70 total points
ID: 1130317
madtrader this is what I came up with when looking for jumper settings for that card.

SONY CORPORATION
CDB-231
Card Type CD-ROM host card
Chip Set Unidentified
Maximum Onboard Memory None
I/O Options Host bus connector (2)
Data Bus 8-bit ISA
Floppy drives supported None
CONNECTIONS
Function Label Function Label
Internal host bus connector CN1 External host bus connector CN2
BASE I/O ADDRESS SELECTION
Setting SW1/1 SW1/2 SW1/3 SW1/4 SW1/5 SW1/6 SW1/7 SW1/8
000h        On         On        On          On         On    On          On     On
004h        Off         On        On          On         On    On          On     On
008h        On         Off        On          On         On    On          On     On
00Ch       Off         Off        On          On         On    On           On     On
010h        On         On        Off          On         On    On           On     On
Ì 340h     On          On        On          On         Off     On          Off     Off
3ECh      Off         Off        On          Off         Off     Off           Off     Off
3F0h       On         On        Off          Off         Off     Off           Off     Off
3F4h       Off         On        Off          Off         Off     Off           Off     Off
3F8h       On         Off        Off          Off         Off     Off           Off     Off
3FCh      Off         Off        Off          Off         Off     Off           Off     Off
Note: A total of 256 base address settings are available.  The switches are a binary representation of the decimal memory addresses.
 SW1/8 is the Most Significant Bit and switch SW1/1 is the Least Significant Bit.
The switches have the following decimal values: SW1/8=512, SW1/7=256, SW1/6=128, SW1/5=64, SW1/4=32, SW1/3=16, SW1/2=8, SW1/1=4.  
Turn off the switches and add the values of the switches to obtain the correct memory address.  (Off=1, On=0)

INTERRUPT SELECTION
IRQ SW2/1 SW2/2 SW2/3 SW2/4 SW2/5 SW2/6
2        On        Off        Off        Off        Off        Off
3        Off        On        Off        Off        Off        Off
4        Off        Off        On        Off        Off        Off
5        Off        Off        Off        On        Off        Off
Ì None Off      Off        Off         Off        Off        Off

DMA CHANNEL SELECTION
Channel SW3/1 SW3/2 SW3/3 SW3/4 SW3/5 SW3/6
1                On         Off       Off        On         Off      Off
2                Off         On       Off        Off         On      Off
3                Off         Off       On        Off         Off      On
Ì None       Off         Off        Off       Off         Off      Off

If you need more help let me know

CShenberger


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Author Comment

by:madtrader
ID: 1130318
Thanks, that really helps.  I can finally get this thing working again
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Expert Comment

by:whoami
ID: 1130319
no problem there are three or four of that same series if you need jumpers for another card let me know I have the jumper setting for all of them


CShenberger
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Author Comment

by:madtrader
ID: 1130320
I found a CDB-242 in a box of my stuff too, might you have those jumper settings?
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Expert Comment

by:whoami
ID: 1130321
Sony CDB-242  yeah I will look and get back to you later on tonight

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