Adaptec AMM-1572 - Manual (Page 35)

2-11
Configuring the AMM-1570/1572
AMM-1570/1572 User’s Guide
Stock Number: 510526-00, Rev. B
Page: 2-11
Print Spec Number: 492379-00
Current Date: 3/7/94
ECN Date: 3/8/94
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Jumper Block J5
Jumper block J5 configures Int 19h, Fast SCSI, Synchronous Negotia-
tion, SCSI Disconnection, Floptical Drive Support, and Extended
Translation for Drives > 1 GByte. The default configuration is
Int 19h
Pin pair BT determines whether Int 19h is rerouted. The default set-
ting is reroute Int 19h. The available settings are
To allow for booting capability from a SCSI drive, the host adapter
BIOS allows you to reroute Int 19h during system bootup. If Int 19h
is not rerouted, Int 13h performs system bootup and allows bootup
from a non-SCSI device (e.g., IDE drive).
Note: In the default setting the host adapter BIOS per-
forms the booting function.
DT BT M0 FS SN DN FL 1G
Reserved
Int 19h
Reserved
Synchronous Negotiation
SCSI Disconnection
Floptical Drive Support
Fast SCSI
Extended Translation
Extra Jumpers
BT
= Reroute Int 19h *
BT
= Do not reroute Int 19h
* = Default