Vintage Intel Mobile CPU & Confidential Preproduction Sample Collection – 10 PiecesOffered here is a 10-piece lot of vintage Intel processors, including two identified Mobile CPUs and several Intel Confidential preproduction Samples (ES).This is an interesting lot for collectors of vintage Intel processors, engineering samples and early mobile x86 hardware.Included in this lot6 × Intel Confidential preproduction SamplesVisible markings include:* C851A183 – QCHS ES × 5* C851A095 – QCHS ES × 11 × Intel Confidential Engineering Sample* C851F102E – 0889* Marked INTEL CONFIDENTIAL1 × Intel Engineering Sample / QS* 72270425 – QSUS ES1 × Intel Mobile Celeron* 7038A663* SL4AP* KP 600/128* Intel Mobile Celeron 600 MHz* 128 KB L2 cache* 100 MHz bus* Micro-PGA2 package1 × Intel Mobile Pentium III* 7033B245* SL4JY* KP 650/256* Intel Mobile Pentium III 650 MHz* 256 KB L2 cache* 100 MHz bus* Micro-PGA2 packageThe SL4AP and SL4JY markings correspond to the documented Intel Mobile Celeron 600 and Mobile Pentium III 650 processors respectively. Important information for collectorsThe exact commercial identities/specifications of the Confidential ES processors are not being claimed unless identifiable from the markings.Engineering samples were pre-production parts and can differ from final retail processors. The photos and markings are therefore an important part of the description.Please study all photographs carefully before purchasing.The processors are sold as a collector’s lot and are not individually tested.ConditionVintage used / surplus condition.There may be minor signs of storage, handling or previous use. Please see the detailed photographs for the actual cosmetic condition.⸻ShippingEconomy Shipping (where available):Tracked Letter ParcelStandard Shipping:Tracked International Parcel with higher security, including signature upon delivery (where applicable based on destination country practices).I only offer tracked shipping.Combined shipping:Combined shipping is available in most cases. Please contact me before paying if you would like to combine multiple purchases.Import duties / VAT:The buyer is responsible for any customs duties, import VAT and other import charges that may apply in the destination country.