These are the parts required to build SC503, v1.0, Z180 Processor card for Z50Bus.

Reference	Qty	Component
PCB	1	SC503, v1.0, PCB
C1 to C7	7	Capacitor, ceramic, 100 nF
JP1	1	Header, male, 1 row x 3 pin, angled
JP2 plus JP3	1	Header, male, 1 row x 4 pin, straight
Jumper shunts	5	Jumper shunt
LED1	1	LED, green, 3mm
P1, P5, and P9	3	Header, male, 1 row x 6 pin, angled
P2, P6, and P10	3	Header, female, 1 row x 6 pin, angled
P3 and P7	2	Header, male, 1 row x 2 pin, straight
P4 and P8	2	Header, male, 1 row x 2 pin, angled
P11	1	Box header, 2 x 25 pin, angled, or Header, male, 2 row x 25 pin, angled
R1 to R6	6	Resistor, 2k2, 0.25W
R7 to R9	3	Resistor, 100k, 0.25W
R10	1	Resistor, 10k, 0.25W
R11	1	Resistor, 1k, 0.25W
RP1	1	Resistor pack, 8 x 10k, SIL, 9-pin
U1	1	SST39SF040, 512k byte Flash
U2	1	AS6C4008, 512k byte SRAM
U3	1	74AHCT139
U4	1	Z8S18033VSC/G (Z180 CPU)
U5	1	74HCT688
U6	1	74HCT74
X1	1	Oscillator, 18.432 MHz
IC socket 14-pin U6	1	14-pin PDIP socket
IC socket 16-pin U3	1	16-pin PDIP socket
IC socket 20-pin U5	1	20-pin PDIP socket
IC socket 32-pin U1 and U2	2	32-pin PDIP socket
IC socket 68-pin U4	1	68-pin PLCC socket
Spacer	1	Spacer, 10mm, M3, nylon
Screw (for spacer)	1	Machine screw, 6mm, M3