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