Jumper block j5 – Adaptec AHA-1510A User Manual
Page 24
2-4
AHA-1510A/20A Series User’s Guide
AHA-1510A/20A Series User’s Guide
Stock Number: 510400-00, Rev. C
Page: 2-4
Print Spec Number: 491842-00
Current Date: 11/18/94
ECN Date: 11/29/94
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
A
A
A
A
A
A
A
A
A
A
A
A
A
A
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
AAAA
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Jumper Block J5
Pin Pair
Description
DT
Set data transfer mode
DMA enabled = jumper
PIO
(programmed I/O)
✱
= no jumper
DMA transfer mode is not supported under
DOS or Windows. It is supported under
OS/2 on EISA-bus computers.
BT
Enable/disable boot from host adapter BIOS
Boot from host adapter BIOS
✱
= jumper
Do not boot from host adapter = no jumper
M0
No jumper
M1
Enable/disable Fast SCSI
Fast SCSI on = jumper
Fast SCSI off
✱
= no jumper
SN
Enable/disable synchronous negotiation
Synchronous negotiation on
✱
= jumper
Synchronous negotiation off = no jumper
DN
Enable/disable SCSI target disconnect
Permit Disconnects
✱
= jumper
Do not permit Disconnect = no jumper
R-
Enable/disable SCSI Floppy/Floptical support
SCSI Floppy/Floptical on = jumper
Floppy/Floptical off
✱
= no jumper
R-
Enable/disable greater than 1 GB translation
> 1 GByte Translation on = jumper
> 1 GByte Translation off
✱
= no jumper
✱
Default setting
DT BT M0 M1 SN DN R- R-
Default Setting