IDE hard disk drive jumper settings
Model number
Conner CFS 1275A
Conner CFS850A
Conner CFS540A
Conner CFS425A
Conner CFS420A
Conner CFS270A
Western Digital
AC2540
Western Digital
AC2420
Western Digital
AC2340
Western Digital
AC2250
*
CS (cable selection) can be jumpered for any configuration. When CS is
used, the drive is a master if pin 28 is grounded, and a slave if pin 28 is not
grounded.
DMA Assignments
DMA7
Single drive
C/D jumpered
C/D jumpered
C/D jumpered
C/D jumpered
C/D jumpered
C/D jumpered
No jumpers
No jumpers
No jumpers
No jumpers
I S pare
Spare
Spare
Master drive
C/D jumpered
C/D jumpered
C/D jumpered
C/D jumpered
C/D jumpered
C/D jumpered
MA jumpered
MA jumpered
MA jumpered
MA jumpered
Specifications
Slave drive
SL jumpered
SL jumpered
SL jumpered
SL jumpered
A-11