LK-selectable Brand Names

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Revision as of 07:13, 27 April 2010 by Nocash (Talk | contribs) (Unused Brand Names)

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LK1,LK2,LK3

LK1,LK2,LK3 connect to PPI Port B, Bit1-3. The links select the manufacturer name (which is displayed by the BIOS in the power-up message). These LKs exist on all CPC mainboards (in CPC Plus/GX4000 schematics they are named LK101,LK102,LK103). By default, LK1-LK3 are not installed (Amstrad). Other combinations are LK2 installed in german Schneider models, and LK1+LK2 in australian Awa models.

Bit 3 (LK3) Bit 2 (LK2) Bit 1 (LK1) Distributor Name
0 0 0 Isp
0 0 1 Triumph
0 1 0 Saisho
0 1 1 Solavox
1 0 0 Awa (australian CPCs)
1 0 1 Schneider (german CPCs)
1 1 0 Orion
1 1 1 Amstrad (default)

Whereas, "0" means LK installed.

  • Note: Some of the brand names seem to include slight mis-spellings: "Awa" and "Orion" are more commonly written all uppercase, "AWA" and "ORION". And, if below speculations are correct, "Isp" and "Triumph" would refer to "ISP KG" and "Triumph-Adler".

Used Brand Names

Amstrad

Awa

Australian CPCs were distributed by Mitsubishi Electric AWA Pty Ltd. Externally, these CPCs are looking identical to english CPCs (with the normal Amstrad logo above the ESC key). Internally, LK1 and LK2 are shortened, so the BIOS displays "Awa" instead of Amstrad in the boot message. Whereas, Amstrad made a small mistake: The correct name would be "AWA", not "Awa".

  • For more info, see Awa

Schneider

Somehow used

Solavox

Solavox is a brand name used by the UK based Comet Group. Much similar to Saisho being a brand name by UK based Dixons/Currys. Like Saisho, Solavox wasn't ever used in british CPCs.

However, some US export models from Spain were produced with the Solavox setting. Why this has happened, if those models actually reached the USA, and if Solavox UK was aware of this operation is unknown. For details, see the Solavox page.

Unused Brand Names

Orion

CTM644 Monitor

ORION is japanese company, founded 1958 by Shigemasa Otake. In an interview, Cliff Lawson has confirmed that Amstrad planned to export CPCs to "far east", using Orion as a partner. As with some other brand names, Amstrad 'converted' the upper-case "ORION" to "Orion" in the boot message.

As far as known, the partnership didn't worked in that direction - there have been no CPCs sold using the Orion brand. However, it worked the opposite way around: Amstrads CTM640/CTM644 and GT64/GT65 monitors contain cathode ray tubes from ORION. Some webpages also mention that the CPC computer itself was manufactured by Orion (in Korea).

The confusing part here is that there is also another company, Orion Electronics Ltd, established in 1913 in Hungary. Using exactly the same ORION logo than the later japanese company from 1958.

Isp

Isp might refer to ISP KG Dieter Lather, which operates (from 1975 until today, 2010) as european distributor for ORION products. There is no other known electronics company being active back in 1983. And, considering that Amstrad did have some relations with ORION, it doesn't seem too unlikely that they also planned to work with ISP KG. Although, as far as known, ISP never rebadged the ORION products as ISP products, so there wouldn't have been a real requirement for the Isp boot message.

Saisho


Triumph

Triumph Typewriter

Triumph isn't a unique trademarked brand name, making it difficult to tell which company Amstrad had in mind. There are various companies using Triumph as brand name (most of them being rather unlikely for an Amstrad partnership).

Possibly the best candidate might be the english/german bicycle and typewriter manucfacturer Triumph. In 1958, Triumph fusioned with Adler, so, if Amstrad was referring to this company, the correct boot message would have been "Triumph-Adler"; this company did actually produce computer hardware from 1971 up to today (2010).

Other than that it's also possibly that Triumph was an insider joke (like the Arnold dummy-entry in the brand name list). So Amstrad could have as well meant a less serious candidate, like the candian Triumph rock band. The interview doesn't reveal any details here.

Arnold

Arnold is some sort of an internal codename for the CPC series. It's also included as (non-selectable) dummy-entry in the brand name list in the BIOS ROM. The way how the BIOS is programmed makes it necessary to include a leading dummy-entry in that list, basically, this could have been an empty string (a single 00h byte), but for some reason, Amstrad put Arnold in there.

Other Distributors/Manufacturers

Indescomp

Indescomp is the official spanish CPC distributor. Indescomp joined the marked a bit later than AWA and Schneider, and so, it didn't get a LK-selectable brand name in the BIOS. Even later localized models (with spanish character set & keyboard translation) displayed Amstrad in the boot message.

Patisonic

Patisonic is the manufacturer of an unlicensed russian CPC clone, the Aleste 520EX. It uses an EPROM with english CPC 6128 BIOS, with some modifactions (among others, replacing the LK-selectable brand names by hardcoded boot message).

VEB Mikroelektronik

VEB Mikroelektronik "Wilhelm Pieck" Muehlhausen is the manufacturer of an unlicensed east german CPC clone, the KC Compact. It uses an EPROM with english CPC 6128 BIOS (although it contains only 64K RAM), with some modifactions (among others, replacing the LK-selectable brand names by hardcoded boot message).

Interview

Below is a Cliff Lawson email/interview, found at Charles da Silvas webpage (link), related to (some) of the optional brand names:

"Charles,
It was a marketing exercise with a view to being able to sell it under different brand names in different territories. For example Saisho may sound Far Eastern (Japanese?) but it's actually a brand name used by the UK's largest electrical retailer (Dixons) and a lot of their "own brand" product goes under the Saisho name. By having links, if Dixons had wanted some sort of exclusivity deal on the product but badged under their own name (OEM effectively) then this would allow for it. Orion were the name of the Far Eastern manuacturer and opened the possibility of it being sold in that market. As far as I know the only ones ever really used were Amstrad and Schneider (I think the Aussies just got "Amstrad" too).
Cliff"