A. Component List

Semiconductors

IC1,2		LS245		STEbus and DRAM data buffers
IC3,4,5		LS244		STEbus address buffers
IC6		LS240		STEbus ATNRQ* buffer
IC7		PAL16R4		J131C
IC8,11		LS157		2-to-1 multiplexers
IC9		TL7705		Reset circuit chip
IC10		PAL22V10	J131B
IC12		74S00		
IC13		PAL16L8		J131A
IC14		PAL16R4		J131D
IC15,17,19,22	41256-15	150ns 256K × 1-bit DRAMs
IC23,24,25,26	41256-15
IC16,18,21	LS273
IC20		FE2010A		LSI glue logic
IC27		27128		EPROM1 (not fitted as standard)
IC28		27128		EPROM0 16K BIOS ROM
IC29		8088-2		8 MHz microprocessor
IC30		8088-2		8 MHz maths co-processor (not fitted as standard)
TR1,2		2N2369A		NPN

Resistors

R1,3,9,10-12	4k7
R2,7		2k2
R4,5		330R
R6		1M0
R8		33R
RP1		4k7 × 8 SIL

Capacitors

C1,2,28,33	22µ 16V tantalum
C3-9,11-22	100n
C10		4µ7 16V tantalum
C23,24		27p
C25-27,29-32	100n

Miscellaneous

XL1		16 MHz crystal
XL2		14.31818 MHz crystal