7521Plus / N N/B MAINTENANCE
4.Definition & Location Of Major Components
4.1Main Board ( Side A )
U6 | U5 |
|
U2 |
U3 |
U7 |
U9 |
U11 |
U1 |
PU10
U33 |
PU22
PU19,12,23 
PU2
PU4 PU5 
PU9
PU14
U14 |
U31 |
U16 U17 | U13 |
| U21 |
U27 | U28 |
U24 |
PU18
U15
U18 |
U22 |
U25 |
PU7
U29
U19 |
U23 |
U26 |
U30 |
U1: ADM3311ARU RS232/SIO.
U2: DS90C363MTD VGA LVD controller.
U5: CS4299 AC’97 CODE.
U6: TPA0202 AUDIO AMP.
U7: CH7005C 
U14: H8(3434F) universal.
U13: TPS2206 PCcard Power switch matrix.
U15:
U24: SiS630S single chipset.
U27: Super IO PC97338VJG. 
U28: System BIOS.
U31:W83626F LPC to ISA.
U18,U22,U25,U29 : On board SDAM.
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