UltraStor 14f Jumper Settings

Jumper Name     	Default Jumper		Description
=================================================================
JP1        	1-2 or 2-3          	Factory set according to
					U39 chip version 
					(-25A is 1-2, -40A or 
					-40B is 2-3)

JP2        	1-2                	Enable Floppy

JP11       	7-8, 13-14             	Set DMA Channel 5,
					IRQ14, BIOS Address
					Starting C8000

JP12       	1-2, 9-10, 11-12,       Set Bus Master enhanced
		13-14, 15-16           	mode, Host Adapter
					SCSI ID=7, 64 head
					32 sector drive mapping
					and set for 2 hard drives
					per system.

JP13		No Jumpers             	Set Drive Spin up upon
					Initiate Sync
					ation, SCSI parity,
					floppy primary port and
					double twisted cable for
					the 3rd floppy.

JP14 	     	No Jumpers              Set DMA Transfer speed
					of 5MB/sec, 150ns
					command recovery time,
					Mailbox port I/O
					Address=330H

Connector Definition

	
	J1      50 Pin Single-ended Internal SCSI Connector
	J2      High Density SCSI II External Connector 
			(50 pin Micro D)
	J3      Floppy Connector
	JP3     LED Connector

Jumper Definitions

	JP2    Floppy Control
	JP11   Jumper Block 1
	JP12   Jumper Block 2
	JP13   Jumper Block 3
	JP14   Jumper Block 4

JP2    Floppy Control

	1-2	*IN             :       Enable
		OUT             :       Disable


JP11   Jumper Block 1
	1-2	3-4             :       DMA Channel

	*OUT    OUT                     5
	OUT     IN                      6
	IN      OUT                     7
	IN      IN                      (Reserved)

	5-6     7-8           :       Interrupt Channel       

	OUT     OUT                     IRQ15
	*OUT    IN                      IRQ14
	IN      OUT                     IRQ11
	IN      IN                      IRQ10

	9-10                  :       Reserved

	11-12  13-14  15-16   :       BIOS Segment

	OUT     OUT     OUT             Disable
	OUT     OUT     IN              C4000 - C7FFF
	*OUT    IN      OUT             C8000 - CBFFF
	OUT     IN      IN              CC000 - CFFFF
	IN      OUT     OUT             D0000 - D3FFF
	IN      OUT     IN              D4000 - D7FFF
	IN      IN      OUT             D8000 - DBFFF
	IN      IN      IN              DC000 - DFFFF

JP12   Jumper Block 2
	1-2     3-4     :       Alternate Address for ISA
					Task File Register

	OUT     OUT             Primary Address (1F0h-1F7h, 3F6-3F7)
	OUT     IN              Secondary Address (170h-177h, 376-377)
	*IN     x               Disable


	5-6             :       BIOS Support for more than 2 hard disk 
				drives

	*OUT            :       Maximum 2 hard disk drives per system
	IN              :       Maximum 7 hard disk drives per host 
				adapter

	7-8     9-10    :       Head mapping mode selection

	OUT     OUT     :       16 head  63 sector mapping 
	*OUT    IN      :       64 head  32 sector mapping
	IN      OUT     :       64 head  63 sector mapping
	IN      IN      :       64 head  32 sector mapping


	11-12   13-14   15-16   :       Host Adapter SCSI ID

	OUT     OUT     OUT     :       ID  0
	OUT     OUT     IN      :       ID  1
	OUT     IN      OUT     :       ID  2
	OUT     IN      IN      :       ID  3
	IN      OUT     OUT     :       ID  4
	IN      OUT     IN      :       ID  5
	IN      IN      OUT     :       ID  6
	*IN     IN      IN      :       ID  7

NOTE:  *  Indicates default settings.                           

JP13    Jumper Block 3
	1-2             :       Motor Spin Up Sequencing
	*OUT                    Device Auto Spin Up
	IN                      Sequential Spin Up

	3-4             :       Sync Negotiation
	*OUT                    Host Adapter Initiated Negotiation
	IN                      Target Initiated Negotiation

	5-6             :       SCSI Parity Control
	*OUT                    Parity Enabled
	IN                      Parity Disabled


	7-8     9-10    :       Reserved for SCSI function


	11-12           :       3rd Floppy Cable Selection

	*OUT                    Double Twisted Cable
	IN                      Single Twisted Cable


	13-14           :       Floppy Port Control

	*OUT                    Primary Port (3F0h - 3F7h)
	IN                      Secondary Port (370h - 377h)


	15-16           :       Refer to JP14 pins 7-8/9-10


NOTE:  *  Indicates default settings.                   

JP14   Jumper Block 4
	1-2     3-4     :       AT BUS First Party DMA Transfer Speed

	*OUT    OUT             5.0  MB/s
	OUT     IN              6.7  MB/s
	IN      OUT             8.0 MB/s
	IN      IN              10.0  MB/s



	5-6             :       CMD Recovery time

	*OUT                    150 nsec
	IN                      100 nsec


Note: JP14, pins 5-6, is effective only when the AT Bus transfer rate 
is set to 5.0 MB/s or 6.7 MB/s.  With 8.0 MB/s and 10.0 MB/s, the CMD 
recover time is fixed to 100 nsec.


	7-8     9-10    :       BUS ON Time

	   With JP13 pins 15-16 OUT

	OUT     OUT     :       11 usec
	OUT     IN      :       9
	IN      OUT     :       13
	IN      IN      :       15

	   With JP13 pins 15-16 IN

	OUT     OUT     :       2
	OUT     IN      :       4
	IN      OUT     :       6
	IN      IN      :       7


	11-12   13-14   15-16   :       MailBox Port I/O Base Address

	*OUT    OUT     OUT             330H
	OUT     OUT     IN              340H
	OUT     IN      OUT             310H
	OUT     IN      IN              230H
	IN      OUT     OUT             240H
	IN      OUT     IN              210H
	IN      IN      OUT             130H
	IN      IN      IN              140H

NOTE:  *  Indicates default settings.