Operator Headgap Systems Resale Store



SPECIALS!
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Intel Mac
G5 Towers
G4 Towers
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Beige G3
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Int.DrivesSCSI
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PRINTERS
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ODDSnEnds
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Order online or by FAX 405-445-0796. Mail orders hit the HELP button to read ordering instructions.

We accept School & Institutional P.O.'s for orders over $100. Discounts for large quantities are available. Call for a quote.

Upgrading the Office? Sell or Trade In Your Old Mac (G3 or better)! We buy quantities of Mac systems & components. Email your list for a quote!

Low End Macs have valuable information about legacy Mac Systems

Our friends at Low End Macs have valuable information about legacy Mac Systems. Click the button to visit their site.

Our friends at EveryMac.com have valuable information about legacy Mac Systems including the original specifications of many of the machines we sell. Click the button to visit their site.

Stealth Serial Port for G4

RARE and ONE ONLY, used, cleaned and tested. Add a serial port to your G4 in place of the modem. Works in 9 or X. The Stealth Serial Port provides a fully compatible serial port for your Mac. Unlike USB-to-serial adapters, the Stealth Serial Port works with Localtalk (OS9 only), MIDI, any serial printer and virtually any other Mac serial peripheral. COMPATIBLE: Functions just like a standard Mac serial port, including LocalTalk (OS 9 only), Hardware based on the same serial chipset found on earlier Power Macs. Supports externally clocked serial peripherals such as serial printers and MIDI devices. Standard mini-DIN8 connector. REQUIREMENTS: Open modem slot (no internal modem) - all models Stealth Serial Port for G4 - Universal model, Power Macintosh G4 "Mirror Drive Door" (Dual 867MHz, Dual 1 GHz, Dual 1.25 GHz) Note:Serial connector mounts on a bracket that replaces a PCI slot cover on the "Mirror Door" systems. Power Macintosh G4 "QuickSilver" (733, 800, 867, Dual 800 MHz, Dual 1 GHz). Power Macintosh G4-2001, 4-PCI Slots (466, 533,667,733 MHz). Power Macintosh G4 Dual Processor (450, 500 MHz). Power Macintosh G4 AGP graphics (350, 400, 450 or 500 MHz.) Our $79 price includes domestic shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: G4SerialPort-KS

Unit Price: $79.00

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Griffin G-Port - add a serial port to your Mac G4 - Used

Griffin G-Port which is an interface that uses the modem port and access hole in the G3-G4 Mac and replaces it with a mini serial port. It is a universal serial adapter and is the perfect companion for your G4 or G4 dual processor computer. Designed from the ground up for the G4, it supports every serial device that works on your previous Mac. The g4Port works perfectly and seamlessly. It works with all Apple and third party printers that are currently compatible with other Macs as well as Midi and any other Mac compatible serial devices like Palms. It even allows file sharing and printing over LocalTalk networks. Tested used unit. We include the software for 9 and X on our Kitchen Sink CD. Our $79 price includes shipping. Rare and one only, order now.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: gport

Unit Price: $79.00

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Apple V.92 Internal Modem - UPGRADE TO V.92 Performance! SPECIAL $19.77

UPGRADE YOUR G4's MODEM! While this V.92 modem originally was designed for Mirror Drive Doors it works perfectly in place of the V.90 modems used in ALL G4 Sawtooth and above Towers including Digital Audio and QuickSilvers. Works in V.90 Mode in OS9 it used the V.92 settings in all versions of OSX from 10.2.8 and up. Surf the Web and download files faster! V.92 modems include V44 compression, to speed up data transfer when you are surfing the Web or downloading compressible data like emails, Graphic files, Message Boards, and HTML files including Web pages. The improvement you get from V.44 depends on the type of data you are downloading. Check with your ISP for V.92 support if you are not sure, but modem defaults to V.90 automatically. Tested Used Pull. Direct Replacement for all Powermac G4 Mirror Door (867 DP/1 GHZ/1.2 Ghz/1.4 Ghz), iMac (17-inch Flat Panel), iMac (17-inch Flat Panel, 1GHz), iMac (Flat Panel), iMac (USB 2.0), Power Mac G4 (FW 800), Power Mac G4 (Mirrored Drive Door 2003), Power Mac G4 (Mirrored Drive Doors), iMac (17-inch Flat Panel), iMac (17-inch Flat Panel, 1GHz), iMac (Flat Panel), iMac (USB 2.0). Was $39.77 LOWER $19.77 price includes domestic shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: APLV92MODEM

Unit Price: $19.77

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Apple G5 Internal Modem

Replacement modem, tested used pull. This is the modem only and does not include the filter. For all Power Mac G5 June 2004 and Early 2005 (1.8/2.0/2.3/2.7 GHz) Also used in: iBook G4 (12-inch Late 2004), Power Mac G5 (June 2004), eMac (USB 2.0), iBook G4 (14-inch Late 2004), Mac mini, POWER Mac G5 (June 2004), PowerBook G4 (12-inch 1.5Ghz), PowerBook G4 (12-inch 1.33Ghz), Power Mac G5 (Late 2004), eMac (2005), eMac (USB 2.0), iBook G4 (12-inch Late 2004), iBook G4 (12-inch Mid 2005), iBook G4 (14-inch Early 2004), iBook G4 (14-inch Late 2004), iBook G4 (14-inch Mid 2005), iMac (17-inch), iMac (20-inch), iMac G5 (17-inch), iMac G5 (20-inch), iMac G5 ALS (17-inch), iMac G5 ALS (20-inch), Mac mini, Mac mini (Late 2005), Power Mac G5, Power Mac G5 (Early 2005), Power Mac G5 (June 2004), Power Mac G5 (Late 2004), PowerBook G4 (12-inch 1.33Ghz), PowerBook G4 (12-inch 1.5Ghz) Our $29.77 price includes domestic shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: APLG5MODEM

Unit Price: $29.77

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Zoom Modem/PC Card 56K - New!

Brand New 56K PCMCIA FaxModem with 33.6 kbps Data and 14.4 Kpbs Fax capability. Fits any PowerBook with a PCMCIA Type II Card Slot. Uses Supra drivers or included Zoom CCL's. V.42bis and MNPS data compression. Standards Supported: K56flex, V.34, V.32bis, V.32, V.22bis, V.22 A/B, V.22, V.23, V.21, Bell 103/212A. New in box includes phone cord. $59.77 shipping included.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: ZOOM56Kcard

Unit Price: $59.77

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Apple 56K V90 Internal Modem for the G4(AGP),PB Bronze, PB Pismo, iBook & Cube. Used Tested SALE $12.77 shipped

LOWEST EVER PRICE! Add a modem to your G4 Tower, or replace a defective one! Apple 56K V90 Internal Modem for the G4 (AGP), PB Bronze, PB Pismo, iBook & Cube. Works in G4 Sawtooth, Gigabit Ethernet, Digital Audio, and Quicksilver. Perfect replacement or addition. Uses software built into the OS. Used pull, thoroughly tested and flashed to the latest standards. On request we include installation instructions for your model. Compare at $79. Was $39.77 NOW $12.77 shipped


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: G4MDMINT56K

Unit Price: $12.77

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3 in 1 - Multi serial port switch $14.99 including shipping

3 Ft. Mini Din 8, 3 Position Push Button QuickSwitch For Printers and Modems. Got a serial port fried on your computer? Use this NEW 3 in 1 switch to solve your problem. Easily switch between your modem, printer or other serial device without having to plug and unplug the devices. Our $14.99 price includes shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: SC8-3-1

Unit Price: $14.99

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PortXpander - Multi serial port switch $39.77 including shipping

PortXpander - Multi serial port switch - Auto-Switching: With MacOS system 7.1 version or later and Apple communication Toolbox installed (Included in the MacOS system), users of Port Xpander can configure any CommunicationToolbox savvy applications or devices such as Claris Works, FreePPP, US Robotic's Pilot, and Visioneer's Paper port to recognize an virtual serial port and automatically switch to that port when the application or device driver is launched. Prevent Damage: Port Xpander can reduce the hassle and potential damage caused by plugging and unplugging serial devices into your Macintosh while the system is on. Easy to Use: The Port Xpander is controlled by Control Panel and Port Xpander Menu or any applications that supports Apple communication Toolbox. RS-232, RS-422 and GeoPort Device Compatibles: The Port Xpander is compatible with most RS- 232 & RS-422 interfaced serial devices at any speed. Used, tested unit with manual. Suggested Retail $69.00 Our price includes shipping $39.77 Supply is limited order now!


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: portexpand

Unit Price: $39.77

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Beige G3 Apple Internal 56K V.90 Data/Fax SERIAL Modem SALE!

SALE! LOWEST EVER PRICE! We found a small supply and are dropping our normal $79.77 price to $29.77! Add an Apple Internal Modem for your Beige G3! Fit into the personality card of either the Mini TOWER or DESKTOP models. These are used tested pulls and have been upgraded to the latest firmware. These are rare and we highly recommend you use a modem surge supressor. Uses the built in Apple software and takes the Apple/GV settings. Standards: V.34, V.90, K56Flex. Supports most all Fax software. Someone asked why these were expensive. They are rare and cost us much more these days. We spend about a 1/2 hour per modem installing, updating the firmware and otherwise testing each unit.We include our Kitchen Sink CD ($9.99 value) which includes Telecom, Internet and Fax Software. Was $79 Special $29.77 includes domestic shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: AP56K-INT-ks

Unit Price: $29.77

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Apple Internal 56k v.90 Fax Modem for G3 Blue&White/G4 Yikes(PCI) and iMac Rev A-D 233-333Mhz models - Used Tested $19.99 Shipped

Apple 56K Internal Modem V.90 for the B&W G3 Power Macintosh, Yikes G4, (and iMacRev A-D 233-333) is an internal 56K V.90 modem is designed to be installed in the modem communications slot inside your computer, allowing you to save your PCI slots and USB ports for other resources! With features not found in any other modem this affordable, the Internal 56K comes complete with everything you need. Uses the built in software. Note: For Blue & White G3, G4 "Yikes" model that is based off of the same logic board and iMac Rev A-D 233-333's. This V90 modem features up to 56,000 bps Data modem transmission speeds: Full duplex at 33,600 (V.34 annex 12), 28,800, 14,400, 9600, 4800, 2400, 1200 and 300 bps Error correction: V.42 (LAP-M), MNP2-4 Data compression: V.42bis, MNP5 Fax speeds: 14,400, 9600, 7200, 4800 and 2400 bps Fax standards: Group 3 compatible, V.17, V.29, V.27ter, EIA-578 service, Class 1 commands Upgradability: Flash ROM and flash DSP Requirements: Any Power Macintosh G3 with internal COM slot. System software version 8.5 or later Minimum 4MB RAM Minimum 8MB hard disk space. Standard analog phone line. We include our 9 Kitchen Sink CD (9.99 value) that has other telecom and fax software. Was $34.77 REDUCED SPECIAL $19.99 includes domestic shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: BWModem56Kint-KS

Unit Price: $19.99

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SXPro 4 Port PCI Serial Card, used tested

Do you need serial ports for your PCI-based PowerMac? The Keyspan SX Pro Serial Card is a simple and reliable way to add four serial ports to your PowerMac. The SX Pro Serial Card is a serial communications card for use with Mac OS-based personal computers which utilize the PCI local bus. Once you install the card in your Mac's PCI slot, you will have access to four serial ports that support asynchronous or clocked asynchronous RS-422/RS-232 communications at data rates up to 1Mbit/sec. The SX Pro Serial Card provides reliable, simultaneous use of multiple serial devices. Multiple SX Pro Serial Cards may be installed in one CPU if desired. The only limits to scalability are: 1. the number of PCI slots in your Mac. 2. the number of serial ports supported by your application software The SX Pro Serial Card is ideal for fax servers, remote access servers, data acquisition, process control and point-of-sale applications. Provides four RS-422/RS-232 serial ports. Macintosh standard mini Din8 connectors on card. Each port supports asynchronous and clocked asynchronous communications at data rates up to 1Mbit/sec. Fully 2.1 PCI compliant. REQUIRES: At least one available 5v PCI slot, Mac OS 8.1 or greater; Mac OS X, Note: This card is not compatible with 3.3v PCI slots used in the XServe or the PowerMac G5. Note: An Apple firmware bug prevents this card from being used in certain older PowerMacs using the Tanzania design (i.e. Mac 4400). COMPATIBLE WITH: modems, ISDN terminal adapters, graphics tablets, many serial printers, selected MIDI devices, Palm Organizers, PDAs, digital cameras, color calibrators, home automation controllers, all assuming the device is a serial device and has appropriate drivers. The Keyspan SX Pro Serial Card does not support AppleTalk (LocalTalk) via it's serial ports. Tested, used units with drivers on CD - Was $149.77 Lower $99.77 includes domestic shipping. ONE ONLY ORDER NOW!


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: SXPRO-4

Unit Price: $99.77

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Modem or DSL Line Noise Filter

Noisy lines got you down? ZBlocker-Z200SM from Excelsus Technologies is an in-line phone filter was originally designed for ADSL data modems but work great with any phoneline and modem. Prevents interference between the modem and telephone set and reduces the effect of POTS generated noise. Four conductor mod phone jacks on input and output. Short cord for wall connection. Item will vary from picture. UL,CSA listed. Complies with FCC part 68 regulations. Includes shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: HMTF-1

Unit Price: $8.99

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Line Privacy Protectors (pair) - New!

Protects modem, fax and voice transmissions from interruption. Prevents your mom (wife, sister, brother, dad, or stupid roomate) from interuppting your downloads. The first device to answer or access a line secures the line. All of the others are denied access until the first device hangs-up. Easy to use. Installs in seconds between phone line and wall jack. Note: You need one unit for each instrument sharing a line. This is sold as a set of 2. Order additional if you have many extensions. Shipping included.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: HTLM-20

Unit Price: $9.77

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Retractable Modem Phone Cable - New!

This retractable modem phone cable will help eliminate cord clutter on your desk. Maximum length 10 foot. Also great to use with your laptop when traveling! Just $2.99 with any purchase.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: modemret

Unit Price: $2.99

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T-Adapter for Modular Jack - New!

For connection of two phones or one phone and fax or modem etc. to one jack. Includes shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: HMT-101

Unit Price: $3.77

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6' High Speed Mac to Modem Cable

Hook up most external modems to your Mac. Hardware handshake supported. Beware some old style cables do not support hardware handshaking which is used by all modern modems. Our price $16.77 includes shipping!


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 Stock Number: C25H-6

Unit Price: $16.77

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Modular Cord Coupler - New!

Easily add another cord as an extension. Couples two items with modular plugs together. Includes shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: HMT-104

Unit Price: $2.44

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14' Modular Line Cords

14 foot modular line cords for connecting modems, faxes, phones, phonenets, etc. Includes shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: HMT-264

Unit Price: $2.99

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25' Modular Line Cords

25 foot modular line cords for connecting modems, faxes, phones, phonenets, etc. Includes shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: HMT-261

Unit Price: $3.77

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Prime Peripherals 56K V.90 External Serial Modem - NEW! $39.77 shipped!

Originally a PC external modem, we include a Mac cable adapter and drivers on our Kitchen Sink CD. This one works through your Mac's modem port. Fax the world, or surf the net with this brand new V90 56K external data/fax modem! Supporting both ITU and x2 protocols, the Prime Peripherals V.90 external modem meets the demands of bandwidth intensive applications. FEATURES: Intel chipset, Modem Standards: V.90, x2, V.34+, V.34, V.32bis, V.32, V.23, V.22bis, V.21, Bell 103 and Bell 212A, Modem Data Rates: up to 56Kbps, Data Throughput: Up to 230,400bps (without compression) and 57,600bps (without compression), Error Correction: V.42 LAP-M and MNP 2-4, Data Compression: V.42bis and MNP-5, Fax Modulation: V.17, V.29, V.27ter, V.21 channel 2 Class 1 and Group 3 protocol. We include setup information for FreePPP, Modem Scripts for Apple Remote Access, Shareware Fax Program, Zterm Shareware Terminal software and TeleFinder Client.AC/DC Power Adapter w/6ft. Cord. Includes Modem, Power Supply, Manual, Phone Cord, and Software/Drivers on our Kitchen Sink CD. Our price was $49.77 Now $39.77 includes domestic shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: PP56K-EXT-ks

Unit Price: $39.77

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56K V.90 External Serial Modem - USED! $39.77 shipped!

Various name brand tested working used 56K modem, we include a Mac cable adapter and drivers on our Kitchen Sink CD. This one works through your Mac's modem port. (Item may vary from picture). Fax the world, or surf the net with this external data/fax modem! We include setup information for FreePPP, Modem Scripts for Apple Remote Access, Shareware Fax Program, Zterm Shareware Terminal software and TeleFinder Client. Includes Modem, Power Supply or Cord, Phone Cord, and Software/Drivers on our Kitchen Sink CD. Our price $39.77 includes shipping.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: 56K-usedEXT

Unit Price: $39.77

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Megahertz 28.8k PC Card Modem, no Software (used)

Megahertz 28.8k PMCIA PC Card Modem, no Software (used) tested good. Connection cable with phone (RJ11) jack sold separately. $29.77 shipping included.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: MHZ288Kcard

Unit Price: $29.77

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Global Village 28.8 PowerPort Platinum PC Card Modem

Global Village 28.8 PowerPort Platinum PC Card Modem and Software. Used. 28.8 fax/modem and 10Baset-T Ethernet adapter. Connection cable with phone (RJ11) and ethernet (RJ45) jacks sold separately. Used tested. $39.95 shipping included.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: GV28Kcard

Unit Price: $39.95

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Global Village Dongle

Global Village PCMCIA Modem Dongle connector with RJ11 and RJ 45 jacks. Fits PowerPort Platinum Pro card above. Used tested. $39.95 shipping included.


Shipping charges included in price of item. Sales tax added for Tennessee residents only.

 Stock Number: platprodong

Unit Price: $39.95

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