40037 32K ROM; BIOS and BASIC for CPC464 and Late-CPC472-models (Spanish)
40038 32K ROM; BIOS and BASIC for CPC6128 (Spanish)
40039 PPC Gate Array
40040 PC1512 memory gate array
40042 PC1512 keyboard controller (i8048)
40044 PC1512 BIOS (odd addresses)
40045 PC1512 character ROM
40049 PPC Serial
40050 32K ROM; BIOS and BASIC for CPC464 (French)
40051 32K ROM; BIOS and BASIC for CPC6128 (French)
40078 PC1512 character ROM (with Greek characters)
40087 PCW9xxx printer controller ASIC
40088 PCW9xxx printer serial receiver?
40092 Spectrum +3/+2B/+3B ROM 1 (English; 256K)
40093 Spectrum +3/+2B/+3B ROM 2 (English; 256K)
40100 PC1640 EGA ROM 40103 PCW9xxx ? 40104 PPC512 ? 40106 PPC512 Serial
40107 PPC512 BIOS (even addresses)
40108 PPC512 BIOS (odd addresses)
40185 PC200 BIOS (odd addresses)
40186 PC2086 VGA BIOS
40198 PPC512 serial ROM?
40226 CPC464/CPC6128 "cost-down" ASIC (ARN4) (combines Gate Array, PAL, CRTC, and some small FDC/DRAM/RESET logic)
40464 CPC+ Triple 4bit DAC (for RGB video)
41090-1 CPC+ 27C1001 EPROM in French System Cartridge (CPC+ BIOS/BASIC, AMSDOS v2, Burnin' Rubber) (130Z001)
41091-1 CPC+ 27C1001 EPROM in Spanish System Cartridge (CPC+ BIOS/BASIC, AMSDOS v2, Burnin' Rubber) (130Z001)
41857 PenPad 600 ?
41863 PenPad 600 ?
41864 PenPad 600 ?
42069 PenPad 600 ROM
42112 NC200 System ROM (UK)
PT NO 31600 ASIC for DMP3160 printer (combines TTL logic from earlier DMP's in one SMD chip) (the chip hides on solder side of the PCB)