IEI Integration PCISA-PV-D4251_N4551_D5251 - Manual (Page 37)

PCISA-PV-D4251/N4551/D5251 CPU Card
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15 GND 16 MOTOR ENABLE B#
17 GND 18 DIRECTION#
19 GND 20 STEP#
21 GND 22 WRITE DATA#
23 GND 24 WRITE GATE#
25 GND 26 TRACK 0#
27 GND 28 WRITE PROTECT#
29 GND 30 READ DATA#
31 GND 32 SIDE 1 SELECT#
33 GND 34 DISK CHANGE#
Table 3-10: 34-pin FDD Connector Pinouts
3.2.8 Flash SPI ROM Connector
CN Label: SPI1
CN Type: 8-pin header (2x4)
CN Location: See Figure 3-9
CN Pinouts: See Table 3-11
Use the Flash SPI ROM connector to flash SPI ROM.
Figure 3-9: Flash SPI ROM Connector Locations