identify NCR chips

NCR (graphic chip business sold to Symbios Logic, later to LSI Logic)
Symbios Logic provides FTP support
Symbios Logic is subsidiary of Adaptec

dl $ info Attachmate ATTACHMATE 252-01495	dl $ info Ranger RANGER 61483-001	dl $ info 53C90 53C90

network
252-01495 Attachmate (3270 controller)

graphics
NCR77C21
NCR77C22 (ISA)
NCR77C22E (ISA, 160pin, 4MB, 1280x1024x256)
NCR77C22E+ (ISA, 160pin)
NCR77C32BLT (VLB, 208pin, BitBLT)
NCR77C832

drive controller
NCR5380
NCR53C400
NCR53C406A
NCR53C7x0 SCSI PCI
NCR53C8x0 SCSI PCI
61483 Ranger (used on Conner CFS1275A)