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Robert Riebisch

My computer systems

Just for fun I created several pages about my computer systems on which all the development for BTTR Software takes place. The hardware equipment reports were taken from an excellent utility called 'System Speed Test'. It is available from our Links page.

2021-: In February 2021 I got two Vobis Highscreen Handy Organizer palmtop PCs from eBay and eBay Kleinanzeigen. Both are in very good condition and included manual, power supply, serial/parallel cables, and bag, but no original packaging. I also bought two 2 Mbyte SRAM cards from eBay Kleinanzeigen to enhance storage capacity.

2018-: In May 2018 I won two eBay auctions for an HP OmniBook 800CT each. Then I only quickly checked they are running. In April 2020 I decided to give them a new life with DOS to replace the two dead (?) ThinkPad 770s. This is still "work in progress", so 'System Speed Test' reports can be expected.

2017-: In March 2017 I bought a new Lenovo ThinkPad E570 (model 20H5006TGE) to become a little more modern and run Windows 10. But to be honest: I don't use it very often. The ThinkPad R500 still satisfies most of my needs. – Sorry, no 'System Speed Test' report available.

2009-: Around September 2009 I bought a new Lenovo ThinkPad R500 (type 2714-9VG) to replace the Acer TravelMate 345T. Despite its age this is still my workhorse in 2020. I wrote some articles about in my German blog: Artikelübersicht Lenovo ThinkPad R500. – Sorry, no 'System Speed Test' report available.

<2005-: Got two 1998 IBM ThinkPad 770 (type 9548-300 & 9548-310) on eBay to ran DOS exclusively. Since around 2009 the 770s were at the basement. When I got them out of the cardboards in 2018 I noticed a mouldy smell and mould stains. Looks like the basement is not dry enough. I expect them to be dead, but I didn't try turning on so far.

~1999-: The following sentence is from around 2009: My main machine 'Viper' at home is used for software development and playing tons of DOS-based games, e.g., Sid Meier's Civilization, Duke Nukem 3D, Formula One Grand Prix 2, or Transport Tycoon. – Since 2009 'Viper' is no longer in use, because it's a bulky mid-tower PC. But it still sits in my wardrobe waiting for its (or my) return.

I also own a HP 200LX and several ATARI Portfolio palmtops.


2018-2020: In September 2018 a used Lenovo ideapad 110S-11BR (model 80WG006LGE) joined my hardware zoo, because I wanted a lightweight machine for travel and couch. It runs Linux Mint 19 "Tara" - MATE (64-bit). – Sorry, no 'System Speed Test' report available. In 2020 I sold the ideapad on eBay.

<2009-2015: Similar to Michal's Evo N600 I owned a used Compaq Evo N620c. I especially liked the robust magnesium housing. This was the last system I installed DOS to in a separate partition. It also ran Windows 2000. At the end of 2015 I grabbed the Evo from the rearmost corner of my wardrobe and did a quick check: main battery dead and CMOS battery dead. Selling on eBay was not worth the effort and I didn't have a need for it anymore. I brought it to the dump. RIP! – Sorry, no 'System Speed Test' report available.

~2002-2009: I found this nice light-weight Acer TravelMate 345T at Acer Germany's (usually) daily updated 'For sale' list. I think it was a really good buy at a fair price. :-) But for maximum performance I pushed the amount of memory from a single 64 Mbyte module to 2x 128 Mbyte Transcend modules and purchased a bigger and faster 30 Gbyte Fujitsu MHR2030AT HDD. (The original Hitachi DK23AA-60 was a little bit noisy and had a capacity of 6 Gbyte only.) Beside the obvious MS-DOS I ran Windows 2000 there. – I've sold the 345T in September 2009, because I didn't use it anymore.

2002-2008: In 2002 I got an Acer Power P500DK desktop system from a customer, who did not need it anymore. Originally it was equipped with an Intel Pentium processor running at the speed of 100 MHz, two 4 Mbyte EDO SIMMs and a Fujitsu M1614TAU hard disk drive. I upgraded the system with a faster Pentium 200 w/o MMX (model P54CS), removed the two 4 Mbyte SIMMs and built in four 16 Mbyte modules. For less noise I replaced the CPU's heat sink/fan combination (also reduced to 5V), soldered a low-speed PAPST fan to the power supply and installed a more quiet Seagate Barracuda ATA IV drive. For networking purposes I installed a cheap Longshine LCS-8038TXRW5 (Realtek RTL8139D-based) card. I found an old D-Link DE-220 ISA NIC which has smaller network drivers. So the Longshine PCI NIC is now in my main machine. – The P500DK ended up in the trash in December 2008 as a result of moving.

1999-2008: My Acer AnyWare 386s' life began on February 14, 1992 (!) when it left a Taiwanese factory. It took some time to sell it to external link Charité (Berlin) in December 1992. In 1995 it returned from Charité, because it was too slow for their requirements. After replacing all battery cells and the hard disk drive its second life lasted from 1999 to 2002 when I used it as a mobile development machine. – Because the LCD cable is broken now and it's nearly impossible to get spare parts for that oldtimer any longer, I decided that it was time to buy a more modern laptop. – In December 2004 I tried to revive the AnyWare for some simple tasks, but found a broken RTC battery. :-( – In January 2008 I found a bad floppy disk drive and so it has been sold to another guy named "Robert". :-)

My computer books

No, I did not write books myself. ;-) But here is a list of computer books (mostly in German and for Turbo Pascal) I own.

Page last modified on 2021-03-14.
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