Parity Checking

SP

Enabled *

Close

Disabled

Open

(* means default setting)

 

 

 

 

Jumper Block JP6 :

 

 

This jumper block provides six major PCM-3420 operation mode

settings , including data transfer mode, booting, fast SCSI , ..... etc.

 

 

 

 

 

Jumper

Description

 

 

DT

Set data transfer mode

 

 

DMA Enabled

= Open

 

 

PIO (Programmed I/O)* = Close

 

BT

Enable/Disable Boot from PCM-3420 BIOS

 

 

Enable* = Open

 

 

 

Disable = Close

 

 

M0

Reserved

 

 

M1

Enable/Disable Fast SCSI

 

 

Fast SCSI On = Open

 

 

Fast SCSI Off* = Close

 

SN

Enable/Disable Synchronous Negotiation

 

 

Sync. Negotiation On* = Open

 

 

Sync. Negotiation Off = Close

 

DN

Enable/Disable SCSI Target Disconnect

 

 

Enable Disconnect* = Open

 

 

Disable Disconnect = Close

 

R0

Reserved

 

Chapter 2 Hardware Installation 15

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Image 21
Adaptec PC/104 manual This jumper block provides six major PCM-3420 operation mode