REXCPM Installation in M100 - Revision history

Sadolph at 23:00, 12 May 2020

2020-05-12T23:00:49Z

← Older revision		Revision as of 16:00, 12 May 2020
Line 1:		Line 1:

	The hardware you need is shown here:		The hardware you need is shown here. (You also need a 3 wire cable assembly, provided with the adapter.)


Line 8:		Line 8:
	\|-		\|-
	\|}		\|}



	Starting from a stock Model 100, power off, flip over, and open the Expansion port cover. Remove any components that may be installed.		Starting from a stock Model 100, power off, flip over, and open the Expansion port cover. Remove any components that may be installed.

2020-05-12T23:00:01Z

← Older revision		Revision as of 16:00, 12 May 2020
Line 1:		Line 1:

			The hardware you need is shown here:



			{\|
			\|[[Image:rexcpm.jpg]]\|\|[[Image:m100_adapter.jpg]]
			\|-
			\|}

	Starting from a stock Model 100, power off, flip over, and open the Expansion port cover. Remove any components that may be installed.		Starting from a stock Model 100, power off, flip over, and open the Expansion port cover. Remove any components that may be installed.

2020-05-12T22:35:13Z

Installation in a Model 100

← Older revision		Revision as of 15:35, 12 May 2020
Line 1:		Line 1:
	~~= Installation in a Model 100 =~~

	Starting from a stock Model 100, power off, flip over, and open the Expansion port cover. Remove any components that may be installed.		Starting from a stock Model 100, power off, flip over, and open the Expansion port cover. Remove any components that may be installed.

2020-05-12T22:34:51Z

← Older revision		Revision as of 15:34, 12 May 2020
Line 1:		Line 1:
			= Installation in a Model 100 =

			Starting from a stock Model 100, power off, flip over, and open the Expansion port cover. Remove any components that may be installed.

	[[Image:rexcpm_m100_1.jpg]]		[[Image:rexcpm_m100_1.jpg]]

			Next, insert REXCPM into the Option ROM socket. The carrier only goes in one way, to make it easier. Ensure REXCPM is oriented correctly.

	[[Image:rexcpm_m100_2.jpg]]		[[Image:rexcpm_m100_2.jpg]]

			Now, insert the adapter board into the System Bus socket.

	[[Image:rexcpm_m100_3.jpg]]		[[Image:rexcpm_m100_3.jpg]]

			Lastly, connect the jumper cable, maintaining the color sequence from one connector to the other.
			What that means is, make sure the sequence from top to bottom is either Black-Red-White on BOTH the adapter and REXCPM, or White-Red-Black.
			Don't reverse the polarity.

	[[Image:rexcpm_m100_4.jpg]]		[[Image:rexcpm_m100_4.jpg]]

			All done! Reinstall the cover, flip over and turn on. The machine should boot with 32k RAM.

			Notes:
			* It does not matter how much standard RAM is installed in the Model 100
			* REXCPM disables the internal ram and takes over the System RAM role.
			* That big yellow block is a 1000uF tantalum capacitor, that provides 5 min of "protection".
			--> if REXCPM is removed from the socket, the capacitor keeps the SRAM intact for 5 minutes or so.

2020-05-12T22:25:05Z

New page

[[Image:rexcpm_m100_1.jpg]]

[[Image:rexcpm_m100_2.jpg]]

[[Image:rexcpm_m100_3.jpg]]

[[Image:rexcpm_m100_4.jpg]]