Adaptec 1520/1522

This is the Adaptec 1520 SCSI adapter shown. Listed below are the possible Interrupt Request Line (IRQ), Base I/O Address, Base Memory Address, and other jumper/switch configurations:

	

Setup Choice for Windows NT 3.5
Adaptec 151x/152x / AIC 6260/6360

Type of External SCSI Connector
Low Density Shielded

JUMPER BLOCK J5


DATA TRANSFER MODE	J1
PIO	                OFF
2nd Parity DMA	        ON



BOOT PREFERENCE	                J2
Don't boot from SCSI Drive	OFF
Boot From SCSI Drive	        ON



BOOT UP MESSAGES	                        J3	J4
Display Adaptec header and error messages	OFF	OFF

"Display Adaptec header, boot

progress and error messages"	                OFF	ON

"Display SCSI information, jumper
configuration, boot progress, and

error messages"	                                ON	OFF
Display error messages	                        ON	ON


J5	Synchronous Negotiation Enable/Disable
J6	Disconnection by Target SCSI Device Enable/Disable
J7	Not Used
J8	Not Used

JUMPER BLOCK J6

SCSI
ID	J1	J2	J3
0	OFF	OFF	OFF
1	ON	OFF	OFF
2	OFF	ON	OFF
3	ON	ON	OFF
4	OFF	OFF	ON
5	ON	OFF	ON
6	OFF	ON	ON
7	ON	ON	ON

IRQ	J4	J5
9	OFF	OFF
10	ON	OFF
11	OFF	ON
12	ON	ON

J6/J7	Both are left off to place card at DMA Channel 0 (The only channel supported by Adaptec)

J8	Parity Checking Enable/Disable

JUMPER BLOCK J7 (Adaptec 1522 Only)

J1	Floppy Controller on Host Adapter Enable/Disable


FLOPPY

IRQ CHANNEL	J6	J7
6	        ON	OFF
10	        OFF	ON


J8	Support for Floppy Drives with Dual Speed Spindle Enable/Disable

JUMPER BLOCK J8
Jumpers 4 & 8 should be on.  This selects DMA Channel 0.  All Other Jumpers are Reserved

JUMPER BLOCK J9

IRQ
(Must match settings on Jumper Block J6)
	J1	J2	J3	J4
12	ON	OFF	OFF	OFF
11	OFF	ON	OFF	OFF
10	OFF	OFF	ON	OFF
9	OFF	OFF	OFF	ON

PORT
ADDRESS RANGE	J5
340-35E		OFF
140-15E		ON

BIOS

ADDRESS LOCATION	J6	J7
C8000	                OFF	OFF
CC000	                OFF	ON
D8000	                ON	OFF
C0000	                ON	ON


J8	Host Adapter Bios Enable/Disable

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