* * * Sinclair QL - Build Standards, PCB Issues & ROM versions * * *

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Added: February 28th 2002 | Last updated: August 23th 2002 (Content), June 4th 2017 (Broken Links & Formatting fixed)

Wow: At least 20 Build Standards, 8 PCB Issues and 140'000 QLs were manufactured!

Over the years I collected QL computers and now own 9 QLs. From 6 of them you'll find pictures concerning "Build Standard-Serial Number", "CPU/Master Chip (MC)", "PCB view" and "PCB Issue/ROM version" on this page. Based on approved information and indications, I know that at least 121,821 English QLs (manufactured by Thorn-EMI-Datatech; 15 known Build Standards from D03 to D17; last known machine is D16-122821), 4'861 US QLs (manufactured by Samsung in Korea; Build Standard S13; last known machine is S13-005861) and 9,800 German QLs (manufactured by Samsung in Korea; Build Standard SG18; last known machine is SG18-010800 from 05/86) were produced.
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!

Mittlerweile besitze ich 9 QLs, davon sind hier 6 bezüglich "Build Standard-Serien Nummer", "CPU/Master Chip (MC)", "Platinen-Ansicht" und "Platinen-Ausgabe/ROM-Version" abgebildet. Basierend auf von mir nachgeprüften Informationen und Indizien wurden mindestens 121'821 englische QLs (hergestellt von Thorn-EMI-Datatech; 15 bekannte Build Standards von D03 bis D17; letztes mir bekanntes Gerät ist D16-122821), mindestens 4'861 US QLs (hergestellt bei Samsung in Korea; Build Standard S13; letztes mir bekanntes Gerät ist S13-005861) und mindestens 9'800 deutsche QLs (hergestellt bei Samsung in Korea; Build Standard SG18; letztes mir bekanntes Gerät ist SG18-010800 vom 05/86) produziert.
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!

Factory rejected QL (no serial number but paper sticker on case shell, keyboard with wrong key caps, no MDVs) with ISS5 PCB and AH ROMs (got it from Malcolm of QUANTA's London sub group in January 2002)
QL_ISS5_factory_QA_rejected_no_BuildStandard_SerialNo-MVC1441F.jpg
no serial number...
QL_ISS5_factory_QA_rejected_sticker_AH_840921-MVC1445F.jpg
but a paper sticker
QL_ISS5_SER_CTL-MVC1450F.jpg
SERial and ConTroL ports
QL_ISS5_factory_QA_rejected_wrong_KBD_explained-MVC1438F.jpg
wrong key caps mounted

Early pre-Issue 6 QL with ISS5 PCB and JM ROMs (got it at QL2000 from QUANTA's London sub group)
QL_ISS5_D05_BuildStandard_SerialNo-MVC14xx.jpg
D05-002875 with D12 mods
QL_ISS5_CPU_MC-MVC14xx.jpg
Plastic CPU, ceramic CLA2310
QL_ISS5_PCB-MVC14xx.jpg
no modifications
QL_ISS5_ROM_JM_piggyback-MVC14xx.jpg
JM ROMs piggyback

Repaired post-Issue 6 QL with ISS6 PCB and JS ROMs (no serial number but ARxxxxxx sticker on new case shell, CLA2310 replaced by CLA2345)
QL_ISS6_AR_sticker_but_no_BuildStandard_SerialNo-MVC14xx.jpg
paper sticker AR109323
QL_ISS6_CPU_MC-MVC14xx.jpg
plastic chips, CLA2345
QL_ISS6_PCB-MVC14xx.jpg
looks good
QL_ISS6_ROM_JS-MVC14xx.jpg
JS ROMs

Late post-Issue 6 QL with ISS7 PCB and JS ROMs (bought on ebay in December 2001)
QL_ISS7_D16_BuildStandard_SerialNo-MVC14xx.jpg
D16-122418, still sealed
QL_ISS7_CPU_MC-MVC14xx.jpg
ceramic CPU, plastic CLA2310
QL_ISS7_PCB-MVC14xx.jpg
looks good
QL_ISS7_ROM_JS-MVC14xx.jpg
JS ROMs

Late American Edition with US5 PCB and JSU ROMs (bought from Phoebus in March 2002)
QL_US5_S13_BuildStandard_SerialNo-MVC1521F.jpg
S13-004737, FCC comply
QL_US5_S13_CPU_MC_original_mods-MVC1525F.jpg
factory applied mods
QL_US5_S13_VHFCH_SER-MVC1524F.jpg
VHF channel select switch
QL_US5_S13_ROMs_JSU-MVC1526F.jpg
JSU ROMs

Early German Edition with US5.3 PCB and MGG ROMs, Original Power Supply for Switzerland
QL_US53_SG18_BuildStandard_SerialNo_GC2-MVC1455F.jpg
SG18-002321, date printed
QL_Swiss_power_supply_with_switch-MVC1459F.jpg
Power Supply for Switzerland
QL_US53_SG18_SER_CTL-MVC1456F.jpg
standard DE-9 connectors
COWO_QTop_v121_running_on_QL_German_Edition_GC2_QIMI_20000901-MVC.jpg
This QL in action

Brand and model name, year and ISSue on PCB solder side, my QL computer collection in March 2002 (before getting the S13-004737 and D04-001371)
QL_ISS5_PCB_branding_solder_side-MVC1848F.jpg
Branding PCB ISS5
QL_ISS6_PCB_branding_solder_side-MVC1849F
Branding PCB ISS6
QL_US5_S13_PCB_branding_solder_side-MVC1847F.jpg
Branding PCB US5
QL_7_pcs_plus_3_ps_in_a_box_20020310-MVC1461F.jpg
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 @).


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