500 Pt Q in Windows XP ... YIKES! No Sound AND modem disconnects frequently doing WindowsUpdate. Tested everything, nothing muted. MB is FB 62 SPC G, G2 Series Chassis .... IRQs bizarre. Not my system, nor available to me, trying to help bro long distance.
http://www.experts-exchange.com/Operating_Systems/WinXP/Q_20926153.htmlIRQ 0 System timer OK
IRQ 1 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard OK
IRQ 3 Intel(R) 82801EB SMBus Controller - 24D3 OK
IRQ 4 Communications Port (COM1) OK
IRQ 6 Standard floppy disk controller OK
IRQ 8 System CMOS/real time clock OK
IRQ 9 Microsoft ACPI-Compliant System OK
IRQ 12 PS/2 Compatible Mouse OK
IRQ 13 Numeric data processor OK
IRQ 14 Primary IDE Channel OK
IRQ 15 Secondary IDE Channel OK
IRQ 16 Intel(R) 82865G Graphics Controller OK
IRQ 16 Intel(R) 82801EB USB Universal Host Controller - 24D2 OK
IRQ 16 Intel(R) 82801EB USB Universal Host Controller - 24DE OK
IRQ 17 Realtek AC'97 Audio OK
IRQ 18 Intel(R) 82801EB USB Universal Host Controller - 24D7 OK
IRQ 18 Intel(R) 82801EB Ultra ATA Storage Controllers OK
IRQ 19 Intel(R) 82801EB USB Universal Host Controller - 24D4 OK
IRQ 19 Intel(R) 536EP V.92 Modem OK
IRQ 23 Standard Enhanced PCI to USB Host Controller OK
Thought there were 16 IRQs...
Name Unimodem Half-Duplex Audio Device
Manufacturer Microsoft
Status OK
PNP Device ID MODEMWAVE\0\{5353D11D-F4C3
-4F1D-834C
-C526FF52C
922}
Driver c:\windows\system32\driver
s\modemcsa
.sys (5.1.2600.0 (xpclient.010817-1148), 15.75 KB (16,128 bytes), 6/19/2003 3:57 AM)
Name Realtek AC'97 Audio
Manufacturer Realtek
Status OK
PNP Device ID PCI\VEN_8086&DEV_24D5&SUBS
YS_C09E129
7&REV_02\3
&13C0B0C5&
0&FD
I/O Port 0x0000DC00-0x0000DCFF
I/O Port 0x0000E000-0x0000E03F
Memory Address 0xF6081000-0xF60811FF
Memory Address 0xF6082000-0xF60820FF
IRQ Channel IRQ 17
Driver c:\windows\system32\driver
s\alcxwdm.
sys (5.10.5170, 702.20 KB (719,052 bytes), 6/19/2003 3:34 AM)
Name Intel(R) 536EP V.92 Modem
Description Intel(R) 536EP V.92 Modem
Device ID PCI\VEN_8086&DEV_1040&SUBS
YS_1000808
6&REV_00\4
&1F7DBC9F&
0&38F0
Device Type Internal Modem
Attached To COM3
Answer Mode Not Available
PNP Device ID PCI\VEN_8086&DEV_1040&SUBS
YS_1000808
6&REV_00\4
&1F7DBC9F&
0&38F0
Provider Name Intel Corporation
Modem INF Path oem40.inf
Modem INF Section Intels51
Blind Off X4
Blind On X3
Compression Off %C0+DS=0,0;+DS44=0,0;
Compression On %C1+DS=3,0;+DS44=3,0;
Error Control Forced +ES=3,2,4;
Error Control Off +ES=1,0,1;
Error Control On +ES=3,0,2;
Flow Control Hard &K3
Flow Control Off &K0
Flow Control Soft &K4
DCB 
Default <
Inactivity Timeout 0
Modulation Bell +MA=V34,V32B,V22B,BELL212,
BELL103;
Modulation CCITT +MS=V90,1,0,0,0,0;
Prefix AT
Pulse P
Reset AT&F<cr>
Responses Key Name Intel(R) 536EP V.92 Modem::Intel Corporation::Intel Corporation
Speaker Mode Dial M1
Speaker Mode Off M0
Speaker Mode On M2
Speaker Mode Setup M3
Speaker Volume High L3
Speaker Volume Low L0
Speaker Volume Med L2
String Format Not Available
Terminator <cr>
Tone T
Memory Address 0xF5000000-0xF53FFFFF
IRQ Channel IRQ 19
Intel(R) PRO/100 VE Network Connection #2 PCI\VEN_8086&DEV_1050&SUBS
YS_3013808
6&REV_02\4
&1F7DBC9F&
0&40F0 This device is disabled.
Realtek RTL8139 Family PCI Fast Ethernet NIC PCI\VEN_10EC&DEV_8139&SUBS
YS_813910E
C&REV_10\4
&1F7DBC9F&
0&30F0 This device is disabled.
What more is needed????