to do a TWGS/ZipGS speedup?
Apple II Csa2 FAQs: 1Main-Start, Part 1/25 - AppleWith the new 14 MHz parts, you should not need to mess with the voltage at all. It _may_ be necessary to increase voltage at 15-16MHz and will likely be necessary at higher frequencies (e.g. 20MHz).
Related QuestionsWhat kind of RAMs do I need for a TWGS or ZipGS speedup?
Apple II Csa2 FAQs: 1Main-Start, Part 1/25 - AppleIf you upgrade your accelerator RAM, go for fast 32k x 8 Static RAM in a 28-pin Dip package. If your RAM sockets are "skinny" (about as fat as a typical 74xx TTL IC), you want a 300-mil wide package. Otherwise, you will need a 600-mil wide IC or a socket adapter for 300-mil (or do the socket mods described earlier in this FAQ). Fast 600-mil package 32k x 8 SRAMs are fairly rare.
Related QuestionsWhat Oscillator freq corresponds to what TWGS/ZipGS operating speed?
Apple II Csa2 FAQs: 1Main-Start, Part 1/25 - AppleFor TWGS and ZipGS, the crystal oscillators runs at 4 times the speed of the 65816. Below is a chart showing osc and corresponding TWGS or ZipGS speed. My understanding is that, if you over-clock a CPU. It just won't function. You can't damage it. As the disclaimer said, do it at your own risk. I have tried to run my TWGS at 20 MHz, system won't boot at all. No damage.
Related QuestionsHow can I upgrade my TWGS to 32k cache?
Apple II Csa2 FAQs: 1Main-Start, Part 1/25 - AppleSHH Systeme ( ), a German company, sells the cache upgrade piggyback board in various states of 'do-it-yourself' readiness. The ready-to-go version is $69 (+ $14 S&H). It includes three 32K cache RAMs (62256-15 or equivalent) and can support speed upgrades to 14MHz or better. SHH does not automatically include the firmware ROM. If your firmware version is not v1.7 or v1.8, you will also need to order the v1.8 EPROM which SHH sells for $12.
Related QuestionsHow can I upgrade TWGS speed?
Apple II Csa2 FAQs: 1Main-Start, Part 1/25 - AppleThe process is very similar to that described earlier for the ZipGS. That is, you swap in a new 14MHz 65C816, a higher speed oscillator module, and, possibly, faster 32k x 8 SRAM chips. As mentioned in Q&A 020, you should not have to upgrade to faster GAL chips. Users with the newer GAL 3E in place may actually need to swap in an older GAL 3A. According to a 1992 Appleworks Forum article by John Link, you can get to 12.
Related QuestionsHow can I tell the firmware version of my TWGS?
Apple II Csa2 FAQs: 1Main-Start, Part 1/25 - AppleWith the IIGS turned on, press CONTROL-Apple-ESCAPE And go to the Transwarp CDA The ROM version will be displayed on the screen.
Related QuestionsWhy should Appletalk Delay be disabled with a ZipGS?
Apple II Csa2 FAQs: 1Main-Start, Part 1/25 - AppleThe Appletalk delay was originally called the "Interrupt Delay" but they renamed it at the last minute because somebody actually tried an 8/64 on an Appleshare network and it dropped packets like crazy. With "Appletalk delay" on, every time an interrupt occurs your Zip will disable acceleration for 5 ms, just like it does with the paddles and the speaker and the others.
Related QuestionsSYS) file which turns the ZipGS OFF or ON?
Apple II Csa2 FAQs: 1Main-Start, Part 1/25 - AppleFrom the usual BASIC prompt, get into the Monitor (e.g. CALL -151) and type in the following code to turn OFF the ZipGS ... There is; you can do the ZipGSx Split Cache Mod. As your manual explains, Zip GSX speed comes from having a faster processor which can access code and data from its high-speed cache RAM. The standard 'GSX has a unified cache, which means data and code have the possibility of overlapping.
Related QuestionsHow can I modify my ZipGS for more cache and more speed?
Apple II Csa2 FAQs: 1Main-Start, Part 1/25 - AppleThe process described below is very simple. It aims for a speed of 12.5MHz (or better) with 64k cache. First, you will need one of the new Western Design Center 14MHz 65C816's. Students, teachers, and professors can order the IC in single quantities directly from WDC ( ). Otherwise, the minimum order is $100. Price is about $20 each. adapters: Nearly all of the newer, faster 32k x 8 SRAMs are in skinny 300-mil packages.
Related QuestionsHow can I speedup a transfer?
TribalWeb : peer to peer (p2p) between friendsTribalWeb uses TCP protocol to exchange files. When exchanging files with TCP protocol, control information is sent from the receiver to the sender to make sure there is no data loss. So when you're uploading a file, you're also downloading control information; when you're downloading a file you're also uploading control information. Part of your bandwidth is used for control information.
Related QuestionsHow do I modify my ZipGS to accept the new "skinny" RAM chips?
Apple II Csa2 FAQs: 1Main-Start, Part 1/25 - AppleWith a little modification you can make a Zip with wide sockets accept both the wide (600 mil) and the newer 300 mil skinny 32k x 8 Static RAMs (SRAMs). Ground yourself then carefully pry out the static rams. Look at the socket and you will notice two or three horizontal bars holding both sides of the socket together (Picture D). Carefully snip those out (wire cutters work well for snipping plastic). This will expose a column of holes. Now, solder in half of a socket. Refer to Picture E below.
Related QuestionsI know that I did everthing right but I get no speedup, why?
The ParaMount Group FAQThere are several reasons that this may happen: (1) you aren't really running the program in parallel (believe me that this is not that uncommon for a new user! Or sometimes even an experienced user), (2) Polaris did not do a good job of parallelizing your application (this isn't that uncommon either, especially for very large applications) or (3) your system is heavily loaded and using extra processors actually slows the application down. I'll briefly discuss each of these.
Related QuestionsWhat types of content does RCN's Dial Accelerator service speedup?
RCN Dial-Up Internet - FAQsThe RCN Dial Accelerator service significantly speeds up web page access. To achieve this speedup, proprietary lossless compression is applied to text, html, xml, javascript and style sheets. Proprietary image compression is applied to gif images, jpeg images and Flash content. RCN also accelerates email traffic (POP3 and SMTP)using lossless compression.
Related QuestionsAre there any frameworks available to help speedup development with AJAX?
jGuru: AJAX FAQ Home PageThere are several browser-side frameworks available, each with their own uniqueness... Here are some: Dojo - http://www.dojotoolkit.org Rico - htt...
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