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About Urs König
Added: February 28th 2002 | Last updated: February 4th 2022
Machine Build Standards & Serial Numbers Sinclair QL professional computer Build Standards & Serial Numbers do follow the following notation and format: Dxx-yyyyyy or S*xx-yyyyyy where: The S13 Build Standard machines have the following FCC ID: EHF 9QN QL-US-85010, issued 1985-04-25. PCB (Motherboard) names, dates and issues Sinclair QL PCB (Motherboard) names, dates and issues have the specifics as following:
Sinclair introduced IC38 (a HAL) on ISS.6 in autumn 1984 with build standard D14. ISS.6 was the starting point for the SAMSUNG made PCBs with the naming US*. US stands for United States (the initial target market for SAMSUNG made QLs), not to be confused with ISS which stands for issue. US5 is not an issue 5 (ISS.5) board, it's more a derivate from ISS.6. Chipset Sinclair QL Chipset components and issues are named as follows: Firmware Sinclair QL ROM names and versions as follows: Trivia Misinformation and misconceptions (fake news) To get proof of the above, browse the Details and Story folders of the Picture Gallery (SQPG) and view the pictures. Please also see the next chapter About my QLs of this webpage. Although the original Engineering Specifications are lost, the original Service Manual holds most of the Engineering Specification. |
![]() I'm still searching for an English pre-D04 (up to D04-001371 which I bought on ebay in July 2002) and an English post-D16 (from D16-122418 or better any D17) QL plus other European QL's (Sweden, Denmark, Spain, Greece, Italy, France). If someone knows how I could obtain such a machine, please let me know, Thank You very much! ![]() Ich suche noch einen englischen pre-D04 (bis D04-001371 den ich im Juli 2002 auf ebay gekauft habe) und einen englischen post-D16 (ab D16-122418 oder lieber einen D17) QL sowie weitere europäische QLs (Schweden, Dänemark, Spanien, Griechenland, Italien, Frankreich). Falls jemand weiss wie ich zu einem solchen Gerät kommen kann, bitte bei mir melden, Besten Dank! |
no serial number... |
but a paper sticker |
SERial and ConTroL ports |
wrong key caps mounted |
D05-002875 with D12 mods |
Plastic CPU, ceramic CLA2310 |
no modifications |
JM ROMs piggyback |
paper sticker AR109323 |
plastic chips, CLA2345 |
looks good |
JS ROMs |
D16-122418, still sealed |
ceramic CPU, plastic CLA2310 |
looks good |
JS ROMs |
S13-004737, FCC comply |
factory applied mods |
VHF channel select switch |
JSU ROMs |
SG18-002321, date printed |
Power Supply for Switzerland |
standard DE-9 connectors |
![]() This QL in action |
![]() Branding PCB ISS.5 |
![]() Branding PCB ISS.6 |
![]() Branding PCB US5 |
7 QLs and 3 PS in a box |
QL forever!
Urs König (aka QLvsJAGUAR)
Send an eMail to Urs König's "QL" mailbox (replace -at- with @).
Site produced and copyright (c): 1999-2022, Urs König
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