Jumper settings - Revision history

Geekdot at 11:18, 17 January 2026

2026-01-17T11:18:58Z

← Older revision		Revision as of 13:18, 17 January 2026
Line 5:		Line 5:
	Please mind that '''jumpers are populated or not populated based on the bus version of your card''' (Mega-ST or VME bus). Refer to the manual for the location of the jumpers.		Please mind that '''jumpers are populated or not populated based on the bus version of your card''' (Mega-ST or VME bus). Refer to the manual for the location of the jumpers.

	== Mk3 v1.~~0[a\|b\|c]~~ - 1.1 ==		== Mk3 v1.0d - 1.1 ==

	=== Mega ST ===		=== Mega ST ===

Geekdot: /* CPLD Firmware V1 */

2026-01-17T11:13:49Z

CPLD Firmware V1

← Older revision		Revision as of 13:13, 17 January 2026
Line 43:		Line 43:
	* ROM - Closed: Enable onboard TOS ROM, Open: Disable onboard TOS ROM		* ROM - Closed: Enable onboard TOS ROM, Open: Disable onboard TOS ROM

	'''NB: The Mk3 1.1''a''''' card has a design mistake which requires a small soldering patch to make the ROM jumper work as expected.		<span id="v11a_bug">'''NB: The Mk3 1.1''a''''' card has a design mistake which requires a small soldering patch to make the ROM jumper work as expected.
	Additionally to pulling the jumper you need to connect the left pin to 5V, eg. available at the 3rd pin from right of TRAM socket “SLOT 2” using a jumper wire:		Additionally to pulling the jumper you need to connect the left pin to 5V, eg. available at the 3rd pin from right of TRAM socket “SLOT 2” using a jumper wire:

Geekdot at 11:04, 17 January 2026

2026-01-17T11:04:43Z

← Older revision		Revision as of 13:04, 17 January 2026
Line 1:		Line 1:
	[[Category:ATW800/2]]		[[Category:ATW800/2]]
	During the evolution of the ATW800/2 the jumpers on the card were sometime (re)used in a different way depending on the [~~http~~://ATW800/~~2%20revisions~~ card-revision] and installed CPLD firmware. This was done to guarantee backwards compatibility for earlier card revisions when upgraded with a newer firmware.<br>		During the evolution of the ATW800/2 the jumpers on the card were sometime (re)used in a different way depending on the [https://wiki.geekdot.com/index.php/ATW800/2_revisions card-revision] and installed CPLD firmware. This was done to guarantee backwards compatibility for earlier card revisions when upgraded with a newer firmware.<br>
	The Mk3 V1.1 PCB introduced an additional jumper which can only be used when plugged into a Mega-ST. Here's a list of the jumper settings depending on the card and firmware version.		The Mk3 V1.1 PCB introduced an additional jumper which can only be used when plugged into a Mega-ST. Here's a list of the jumper settings depending on the card and firmware version.

Geekdot at 11:01, 17 January 2026

2026-01-17T11:01:44Z

@@ Line 33: / Line 33: @@
 * ADDR - Selects Atari Model. Closed: Mega-STE, Open: TT<br>'''For the Mega-STE you also need to set the A0/A1 for the VRAM base of 0xA00000!'''
-== Mk3 v1.1a ==
+== Mk3 v1.1[a|b] ==
 The version 1.1'''a''' was already shipped with the then latest CPLD and FPGA firmware. So the minimum firmware releases are covered here.
@@ Line 39: / Line 39: @@
 ==== CPLD Firmware V1 ====
-dsdsd
+* A0/A1 - used for setting the VRAM base address.<br> Introduced with FPGA firmware V0205 which supports 4MB VRAM (24bit colour).
 ==== CPLD Firmware V2 ====
-dsdsd
+* A0/A1 - used for setting the VRAM base address.<br> Introduced with FPGA firmware V0205 which supports 4MB VRAM (24bit colour).

Geekdot: Created page with "Category:ATW800/2 During the evolution of the ATW800/2 the jumpers on the card were sometime (re)used in a different way depending on the [http://ATW800/2%20revisions card-revision] and installed CPLD firmware. This was done to guarantee backwards compatibility for earlier card revisions when upgraded with a newer firmware.
The Mk3 V1.1 PCB introduced an additional jumper which can only be used when plugged into a Mega-ST. Here's a list of the jumper settings dep..."

2026-01-17T10:43:11Z

Created page with "Category:ATW800/2 During the evolution of the ATW800/2 the jumpers on the card were sometime (re)used in a different way depending on the [http://ATW800/2%20revisions card-revision] and installed CPLD firmware. This was done to guarantee backwards compatibility for earlier card revisions when upgraded with a newer firmware. The Mk3 V1.1 PCB introduced an additional jumper which can only be used when plugged into a Mega-ST. Here's a list of the jumper settings dep..."

New page

[[Category:ATW800/2]]
During the evolution of the ATW800/2 the jumpers on the card were sometime (re)used in a different way depending on the [http://ATW800/2%20revisions card-revision] and installed CPLD firmware. This was done to guarantee backwards compatibility for earlier card revisions when upgraded with a newer firmware. 
The Mk3 V1.1 PCB introduced an additional jumper which can only be used when plugged into a Mega-ST. Here's a list of the jumper settings depending on the card and firmware version.

Please mind that '''jumpers are populated or not populated based on the bus version of your card''' (Mega-ST or VME bus). Refer to the manual for the location of the jumpers.

== Mk3 v1.0[a|b|c] - 1.1 ==

=== Mega ST ===

==== CPLD Firmware V0 ====
* A0/A1 - used for setting the IDE controller base address
* IDE - Closed: Enable IDE, Open: Disable IDE

==== CPLD Firmware V1 ====
* A0/A1 - used for setting the VRAM base address. Introduced with FPGA firmware V0205 which supports 4MB VRAM (24bit colour).
* IDE - Closed: Enable IDE, Open: Disable IDE

=== TT / Mega-STe ===
==== CPLD Firmware V0 ====
* A0/A1 - not used
* IDE - not used
* ADDR - Selects Atari Model. Closed: Mega-STE, Open: TT

==== CPLD Firmware V1 ====
* A0/A1 - not used
* IDE - Closed: Enable IDE, Open: Disable IDE Only works with HDDRIVER 12.6 or later.
* ADDR - Selects Atari Model. Closed: Mega-STE, Open: TT

==== CPLD Firmware V2 ====
* A0/A1 - used for setting the VRAM base address. Introduced with FPGA firmware V0205 which supports 4MB VRAM (24bit colour).
* IDE - Closed: Enable IDE, Open: Disable IDE Only works with HDDRIVER 12.6 or later.
* ADDR - Selects Atari Model. Closed: Mega-STE, Open: TT '''For the Mega-STE you also need to set the A0/A1 for the VRAM base of 0xA00000!'''

== Mk3 v1.1a ==
The version 1.1'''a''' was already shipped with the then latest CPLD and FPGA firmware. So the minimum firmware releases are covered here.

=== Mega ST ===

==== CPLD Firmware V1 ====
dsdsd

=== TT / Mega-STe ===
==== CPLD Firmware V2 ====
dsdsd