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Dell AT102W

Device Dell AT102W, UK ISO
OEM Silitek
Switch Alps SKCM Black (bamboo)
Year 1991 or 1996 (case), 1998 (IC), 1998 (label)
Part number 9880D REV A01
Serial number M9811-21266
Country of manufacture Malaysia

This keyboard was purchased new in boxbag. According to Zilog Jones (per a Deskthority wiki update) the serial number indicates a date of 1998. This appears to correlate with the “836” code on the controller chip. The case mould dates are 1991 (upper) and 1996 (lower), with the former appearing to be a manufacturing error, since the year wheel runs from 1991 to 1996 and the indicator arrow on the wheel straddles the 1991–1996 line!

It would appear that a stockpile of cases existed; what is not clear is whether the switches were old stock from the age of the case, or newly manufactured from the age of the controller IC. The latter would extend the high water mark of Alps SKCM to 1998, two years beyond its reported demise of 1996.

Most of the original laser-etched keycaps are now replaced with Tai-Hao doubleshots; a photograph of the keyboard mid-swap is included to demonstrate why the controller IC image shows the incorrect keycaps for this keyboard. The larger portion of the switches are now blue-black hybrids also.

View full-size image Top (with original keycaps)
View full-size image Bottom
View full-size image Rear label, alleged by Zilog Jones to indicate 1998
View full-size image Alps SKCM Black (bamboo) switch
View full-size image Alps SKCM Black (bamboo) switches
View full-size image Controller IC; if “836” is the date code, then it could be week 36 of 1988 or 1998 (note that the keycaps shown are the Tai-Hao replacements)
View full-size image PCB identifier code
View full-size image Upper shell date: 1991-01-19 or 1996-01-19
View full-size image Lower shell date: 1996-10-05; note that the mould is marked as being Silitek (SK) for Dell
View full-size image Partial keycap replacement, using Tai-Hao ABS doubleshots from an Oriental Tech OK-100M