Upgrade your RAM from ST to Falcon.
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520 STFM 256kx4 DIL to 1Mx4 SOJ
Replies: 1
by
troed » Sun Apr 15, 2018 12:21 pm
I recently acquired a 520 STFM (IMP chipset, 4 DIL RAM chips, see ) which I wanted to bring a bit more up to spec. Adding four 256kx4 would've...
- 1 Replies
- 346 Views
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Last post by exxos
Sun Apr 15, 2018 9:47 pm
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RAM chip source
by
rubber_jonnie » Fri Apr 13, 2018 8:44 am
Hi all.
This is just a quick post regarding a source of 41256AP-12 ram chips.
I recently bought 50 of these:
Last night I upgraded one of my STFM...
- 0 Replies
- 166 Views
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Last post by rubber_jonnie
Fri Apr 13, 2018 8:44 am
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- 9 Replies
- 213 Views
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Last post by exxos
Wed Apr 11, 2018 10:20 pm
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STE 4MB SIMMS UPGRADE
Replies: 2
by
exxos » Sat Sep 30, 2017 12:35 pm
New simms manufactured in 2017 by exxos.
This is a kit of 4 simms (4x 1MB 30 pin) to upgrade the STE to 4MB of ST-RAM. Simms are 70ns non-parity....
- 2 Replies
- 406 Views
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Last post by exxos
Sat Apr 07, 2018 1:40 pm
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Mega ST1 to 4MB ...
Replies: 2
by
frank.lukas » Tue Feb 06, 2018 2:29 pm
Atari Mega ST1 (SMD Version) upgrade to 4MB with Chips 1MBx4 ...
Remove the old Chips with Hotair and remove the 8x 1MBx4 Chips from a PS/2 FPM 4MB...
- 2 Replies
- 329 Views
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Last post by redhawk668
Fri Feb 23, 2018 7:05 pm
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- 6 Replies
- 449 Views
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Last post by exxos
Tue Feb 06, 2018 10:07 pm
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UNIVERSAL ST/F/M 4MB RAM MMU ADAPTER
Replies: 3
by
exxos » Sat Sep 30, 2017 12:33 pm
The RAM upgrade plugs over the MMU and SHIFTER. The DRAM is compacted on top of the MMU adapter PCB making the design ultra small and compact and...
- 3 Replies
- 517 Views
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Last post by LaoMu
Sat Dec 02, 2017 2:03 am
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STE 4MB SIPP UPGRADE
Replies: 8
by
exxos » Sat Sep 30, 2017 12:36 pm
New compatible SIPP simms manufactured in 2017 by exxos.
This is a kit of 4 SIPP simms (4x 1MB 30 pin) to upgrade the STE to 4MB of ST-RAM. Simms...
- 8 Replies
- 701 Views
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Last post by exxos
Mon Nov 27, 2017 5:44 pm
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Atari TT - ST-Ram board upgrade 2MB - 8MB
Replies: 7
by
Icky » Sun Nov 12, 2017 2:53 pm
Have just spent the last two weeks upgrading the Atari TT 2MB ST-Ram board. The 8MB boards are very scarce and so too are the 2MB ones. My TT had the...
- 7 Replies
- 593 Views
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Last post by Icky
Tue Nov 14, 2017 7:05 pm
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FALCON 14MB ST-RAM SIMM ADAPTER
by
exxos » Sat Sep 30, 2017 12:39 pm
72 PIN SIMM adapter card for the falcon 030. Requires a 16MB simm which gives the maximum 14MB ST-RAM. PCB layout has been carefully designed to use...
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- 288 Views
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Last post by exxos
Sat Sep 30, 2017 12:39 pm
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STF/M 4MB SIMM - C070789
by
exxos » Sat Sep 30, 2017 12:29 pm
Low cost 4MB RAM UPGRADE kit for later STF/M motherboards. Fits under the PSU section. Simm itself fits to the right of the PSU and to the left of...
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- 253 Views
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Last post by exxos
Sat Sep 30, 2017 12:29 pm
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STF/M 512K to 1MB - C070789
by
exxos » Sat Sep 30, 2017 12:26 pm
Here the STFM has only 512K of RAM fitted (Bank of IC's on the left). The bank on the right has space for another 512K ram.
Also note that 3...
- 0 Replies
- 290 Views
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Last post by exxos
Sat Sep 30, 2017 12:26 pm
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