https://www.computerarium.org/doku/ 2026-04-29T20:52:39+0000 https://www.computerarium.org/doku/ https://www.computerarium.org/doku/lib/tpl/dokuwiki/images/favicon.ico text/html 2019-01-03T16:57:20+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=9830a_-_s_n_1524a-00155&rev=1546534640&do=diff General Notes Acquired 7/2018. Powers on with fan, AC pilot light, no display. Initial Inspection As received, the machine was in generally good condition, with some scrapes and small cracks in dark brown front panel/keyboard surround. It was missing a threaded fastener for hold-down screw in right front corner (viewed from front). text/html 2018-09-10T16:17:44+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=9845b-1838a01653&rev=1536596264&do=diff HP 9845B - S/N 1838A01653 General Notes Donated 4/2018. Non-functional when received - no monitor, no power supply. Initial Inspection Includes Eventide WMAZ-4 RAM board in undocumented WMAZ-4(3) configuration, corresponding to 3 HP 128K memory boards. Supplemental ROMs from Structured Software Systems with PUP+, MMS and CMD are installed. text/html 2018-09-11T02:23:01+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=9845c-1742a00127&rev=1536632581&do=diff General Notes Donated 4/2018. Initial Inspection Includes 3 Eventide WMAZ-4 512K memory boards with supplementary ROMs including PUP+, MMS and CMD from Structured Software Systems. This is an interesting machine since it is housed in an early (9845A) chassis as indicated by the serial number. The handwritten serial number uses European numbers even though the text/html 2018-07-29T23:23:58+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=9845t-1838a06653&rev=1532906638&do=diff HP 9845T - S/N 1838A06653 <Ready!> General Notes Donated 4/2018. Powered on by donor, lots of smelly smoke. Initial Inspection RAM - 1 09845-66590, white and black ejector handles, 64 Mitsubishi 4164 RAM-ROM - 09845-69529 (updated 99529?), white ejector handle - includes 1898 (CE4 LB) and 1899 (CE4 LB), 1591 (CE1 LB), 1592 (CE1 UB) text/html 2018-07-29T23:29:17+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=ac_inlet_filter_rebuild&rev=1532906957&do=diff AC inlet filter repair (RIFA safety capacitor failure) text/html 2018-06-13T11:19:59+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=components&rev=1528888799&do=diff wires Resistors sidebar text/html 2018-09-26T02:38:09+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=computers&rev=1537929489&do=diff PDP-8 PDP-11 text/html 2018-06-29T23:45:09+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=cool_tools&rev=1530315909&do=diff Taig Lathes : I've wanted a table-top lathe ever since reading about the Unimat in the backpages of Popular Mechanix when I was in high school. Today's answer is the Taig Micro Lathe II (I went for the ER collets and the power feed). Super useful for rebuilding HP cartridge tape drive capstans and making custom tools and fixtures. text/html 2019-02-23T17:51:28+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=dec&rev=1550944288&do=diff Components, Cables and Connectors Computers Computer Lab Trainer DEC Peripherals DECUS Third Party Peripherals New Hardware and Software text/html 2019-06-25T03:47:29+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=dec_peripherals&rev=1561434449&do=diff RK05 Disk Drives KV8-I Graphics Subsystem text/html 2018-12-13T23:20:20+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=documentation&rev=1544743220&do=diff [Maintenance Manual Volume 1] [Maintenance Manual Volume 2] [Maintenance Manual Volume 3] [Building Berg cables for Omnibus SLU] [OMNIBUS Extender Cables] text/html 2018-07-19T03:18:55+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=flexowriter&rev=1531970335&do=diff History Documentation Images Marketing Publications [Justowriter Automatic Composing Machine] [Flexowriter FL] [Flexowriter Operating Instructions] text/html 2019-02-18T05:48:14+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=friden_calculators&rev=1550468894&do=diff JPL Pasadena 1955 - Human Computers and their Friden STW Calculators [JPL 1955 ] text/html 2019-12-02T17:00:19+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=gtty&rev=1575306019&do=diff GTTY (glass teletype) is a lightweight terminal emulation program written by Lyle Bickley to serve as a console for PDP-8 machines. The current iteration is an MS-DOS program that seems to run well in DOSBox. Features include automatic upper-casing and automatic switching between 7E1 and 8N1 serial protocols depending on whether the program is functioning as a TTY terminal or a binary PTR (paper tape reader). text/html 2019-02-18T05:18:03+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=hamann_automaat_s&rev=1550467083&do=diff What a beauty! Do you have one for me? =) Images text/html 2018-09-07T23:09:31+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=hp_9100&rev=1536361771&do=diff HP 9100A - S/N 816-02587 <S/N 816-02587> General Notes Received 4/2018. No response when powered on (by donor). Initial Inspection I verified continuity through original power cord and operation of line power switch. On inspection, the 115V AC and 15V fuses were intact; the 3.4KV HV fuse was blown. A replacement HV fuse blew immediately when power was applied. text/html 2018-08-17T03:02:38+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=hp_9830&rev=1534474958&do=diff The 9830 9830A - s/n 1524A-00155 text/html 2018-09-11T03:03:09+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=hp_9845&rev=1536634989&do=diff The HP 9845 was an inflection point for HP - the last of the programmable “desktop calculators” using their proprietary NMOS technology before they went to the Motorola 68K family, but also the first of the true desktop graphics workstations. For a deep appreciation of these machines and all that went into them, be sure to visit the HP 9845 Project, Ansgar Keukes' incredible website - text/html 2021-04-05T00:24:54+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=hp_computers&rev=1617582294&do=diff 2116 (1966) 2109B (1980) 85 (1980) 9826 (1981) 9000 (1984ish) text/html 2019-12-23T23:04:10+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=hp_desktop_calculators&rev=1577142250&do=diff First Generation HP 9100 (1968) - HP's first desktop calculator - RPN, magnetic card storage - original price $5,000 ($36,000 in 2019 dollars) Second Generation HP 9810 (1971) - Keystroke programmable, magnetic card storage - original price $2975 ($18,800 in 2019 dollars) text/html 2019-06-25T03:51:27+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=kv8-i_graphics_subsystem&rev=1561434687&do=diff KV8I General Notes Initial Inspection Repair Images Links text/html 2018-08-25T00:29:26+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=michigan_build-out&rev=1535156966&do=diff Step-by-Step text/html 2018-10-10T01:40:02+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=new_hardware_and_software&rev=1539135602&do=diff GTTY text/html 2018-09-10T14:18:12+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=option_100_power_supply_recap&rev=1536589092&do=diff 09845-69980 - Option 100 Power Supply (9845A, 9845B) General Notes Initial Inspection Repair Images text/html 2018-07-15T17:38:58+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=origin_myth&rev=1531676338&do=diff I started out as a child... Geniac, Lafayette Transistor radio BASICS Romance of the machine. text/html 2019-02-18T05:13:35+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=original-odhner&rev=1550466815&do=diff Original-Odhner Model 227 S/N 903699 General Notes Initial Inspection Repair Links Images text/html 2019-02-18T05:21:54+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=other_calculators&rev=1550467314&do=diff Marchant Original-Odhner FACIT Hamann Automaat S text/html 2018-10-10T01:34:30+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=pdp-8&rev=1539135270&do=diff "Straight 8" PDP-8/I PDP-8/E,F,M PDP-8/A text/html 2018-12-13T22:44:58+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=pdp-8_e_f_m&rev=1544741098&do=diff Documentation text/html 2019-03-11T01:26:11+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=pdp-8_i&rev=1552267571&do=diff Introduced in 1968 as the follow up to the “classic” PDP-8, the 8/I replaced much of the transistor logic of the original with integrated circuits. To a large degree, M-series modules replaced the earlier R and S-series FlipChips. text/html 2018-09-26T02:38:53+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=pdp-11&rev=1537929533&do=diff PDP-11/35 text/html 2018-09-26T03:41:52+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=pdp-11_35&rev=1537933312&do=diff 11/35 in a box Everything but the chassis - also includes 128K of MOS memory but without an additional system unit for the RAM. This system was purchased in the Netherlands but the original chassis was too expensive to ship back to the US. The components shown here would be happy in a BA-11F or BA-11K chassis. text/html 2018-07-21T17:52:29+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=resources&rev=1532195549&do=diff Cool Tools Services and Sources Components Michigan Build-out text/html 2019-04-28T02:29:19+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=rk05_disk_drives&rev=1556418559&do=diff These drives were available in several configurations. Operating and Service manuals at bitsavers. RK8E - Three-card OMNIBUS controller for RK05 drives (M1704, M1705, M1706) RK05J - s/n 02-23337 - Foam and battery replacement RK05J-AA - s/n WF 24746 - Foam replacement RK05F-AA - s/n WF04686 - Foam, elbow and battery replacement text/html 2019-04-23T03:09:36+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=rk05f_-_rosen&rev=1555988976&do=diff General Notes Initial Inspection Repair Images Links text/html 2018-09-07T14:52:57+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=rk05j_-_02-23337&rev=1536331977&do=diff General Notes Initial Inspection Repair Images Links text/html 2018-09-07T15:12:13+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=rk05j_-_wf-24746&rev=1536333133&do=diff General Notes Initial Inspection Repair Images Links text/html 2019-04-23T02:46:11+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=rk8e-useless&rev=1555987571&do=diff General Notes Initial Inspection Repair Images Links text/html 2019-04-23T03:06:53+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=rk8e&rev=1555988813&do=diff Images M7104 Variations: text/html 2018-07-29T16:07:49+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=services_and_sources&rev=1532880469&do=diff Bitsavers HP Computer Museum HP Calculators 9825 9845 Old Calculator Museum text/html 2018-07-21T17:53:39+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=sidebar&rev=1532195619&do=diff DEC HP Computers HP Desktop Programmable Calculators Friden Calculators Other Calculators Flexowriter CP/M-80 Origin Myth Resources text/html 2018-07-13T03:17:53+0000 Anonymous (anonymous@undisclosed.example.com) https://www.computerarium.org/doku/doku.php?id=start&rev=1531451873&do=diff All Watched Over By Machines Of Loving Grace I like to think (and the sooner the better!) of a cybernetic meadow where mammals and computers live together in mutually programming harmony like pure water touching clear sky. I like to think (right now, please!)