Selling my old timer rig for $90. Might be useful for you if you just need basic processing power for office and admin use.

Hardware
Base processor
Pentium4 516 (P) 2.93 GHz:
533 MHz front side bus
Socket 775
Chipset
Intel 915GV
Motherboard
Manufacturer: Asus
Motherboard Name: PTGD-LA
HP/Compaq motherboard name: Goldfish3-GL8E
Memory
Component Attributes
Memory Installed 512 MB (2 x 256)
Maximum allowed 4 GB* (4 x 1 GB) requires the replacement of the installed 256 MB DIMMs
*Actual available memory may be less
Speed supported PC2-3200 MB/sec
Type 240 pin, DDR2 SDRAM
DIMM slots Four
Open DIMM slots Two
Hard drive
200 GB SATA
7200 rpm
16x DVD(+/-)R/RW (+/-)R DL LightScribe drive
must use Double-Layer media discs in order to take advantage of the DL technology
must use LightScribe-enabled media discs and supporting software in order to take advantage of the LightScribe technology
type Attributes
DVD-R DL Write Once 4X
DVD+R DL Write Once 2.4X
DVD+R Write Once 16X
DVD+RW Rewritable 4X
DVD-R Write Once 8X
DVD-RW Rewritable 4X
DVD ROM Read 16X
CD-R Write Once 40X
CD-RW Rewritable 24X
CD-ROM Read 40X
Modem
PCI K56flex data/fax modem
Video graphics
Integrated with up to 128 MB allocated video memory
Sound/audio
Integrated High Definition audio
Realtek ALC 880 chipset
8-channels for Full Dolby 5.1/6.1/7.1 surround sound support with Dolby Pro Logic IIx
Network (LAN)
Integrated 10/100 Base-T networking interface
Memory card reader
USB interface
Supports the following cards:
Compact Flash I
Compact Flash II
SmartMedia
Memory Stick
Memory Stick Pro
MultiMediaCard
Secure Digital (SD)
Micro Drive
XD Picture Card (xD = extreme digital)
External I/O ports
I/O ports on the front panel
Port type Quantity
9-in-1 (4 slot) + 1 USB One
IEEE 1394 One
USB (2.0) Two
Headphone One
Line-in One
Microphone One
I/O ports on the back panel
Port type Quantity
PS/2 (keyboard, mouse) Two (one each)
VGA (monitor) One
Parallel One
USB (2.0) Four
IEEE 1394 One
LAN One
Audio One each (side speaker out, rear speaker out, center speaker out, line-in, line-out, microphone)
Expansion slots
Slot type Quantity
PCI Three (two available)
DIMM Four (two available)
Drive bays
Bay type Quantity
5.25-inch, external Two (one available)
3.5-inch, external Two (one available)
3.5-inch, internal One (occupied)
Keyboard and mouse
HP PS/2 multimedia keyboard
Quebec Keyboard Kit (French Canada only)
HP PS/2 scroller mouse
HP Pavilion a1220n Desktop PC Product Specifications | HP® Support
I have upgraded the memory to 1GB from 512mb
HDD is some random 200GB IDE one preloaded with Windows XP (Traditional Chinese) SP3. Legit license sticker on chassis.
Also added D-Link Wireless b/g wifi PCI adapter.
Great starter computer for your kids or your puppy or and elderly person who wants to get into the world of computing.
https://post.craigslist.org/manage/3731803465