
HP Pavilion HPE h8-1020es Desktop PC Troubleshooting
Motherboard Specifications, IPISB-CH2 (Chicago)
Figure 1: The Chicago motherboard

Manufacturer's motherboard name: Pegatron
Motherboard name: IPISB-CH2
uATX: 24.4 cm (9.6 inches) x 24.4 cm (9.6 inches)
100 MHz DMI (Direct Media Interface)
Motherboard supports the following processor upgrades:
- Intel Core i7-2xxx (Sandy Bridge) quad core
- Intel Core i5-2xxx (Sandy Bridge) quad core
- Intel Core i3-2xxx (Sandy Bridge) dual core
- Intel Core i3-2xxx/T (Sandy Bridge) dual core
- Intel Pentium G8xx (Sandy Bridge) dual core
- Intel Pentium G6xxx (Sandy Bridge) dual core
Dual channel memory architecture (also supports single channel)
Four 240-pin DDR3 DIMM sockets
Non-ECC memory only, unbuffered
Supports 1 GB, 2 GB, and 4 GB DIMMs
Supports up to 4 GB on 32-bit* systems
Supports up to 16 GB on 64-bit systems
NOTE:32-bit systems cannot address a full 4.0 GB of memory
*Integrated video is not available if a graphics card is installed.
Intel HD Graphics 2000 or HD Graphics 3000
(model dependent)
Supports PCI Express x16 graphics cards
2 DVI ports
(DVI-I and DVI-D)
*Integrated audio is not available if a sound card is installed.
Built-in High Definition 8 channel audio
Interface: PCI Express x1
Technology: Realtek RTL8111E gigabit ethernet controller
Data transfer speeds: up to 10/100/1000 Mb/s
Transmission standards: 1000-Base-T Ethernet
One PCI Express mini card x1
Figure 2: Back I/O panel

S/PDIF port
USB 2.0 or 3.0 (model dependent): 4
LAN
DVI-I
DVI-D
Audio: Center/subwoofer
Audio: Rear speaker out
Audio: Side speaker out
Audio: Line in
Audio: Line out
Audio: Microphone
1x WLAN minicard activity LED connector
1x ATX CPU power connector
1x Internal S/PDIF output connector
1x Front panel audio connector
1x ROM recovery connector
1x One touch reset connector
1x One touch recovery connector
14x USB connectors (12x 2.0/2x 3.0)
Figure 3: layout

CAUTION: Do not change any jumper setting while the computer is on. Damage to the motherboard can result.
This motherboard has a jumper to clear the Real Time Clock (RTC) RAM in
CMOS.
Turn OFF the computer and unplug the power cord.
Move the jumper to clear for 5 to 10 secs, then move the jumper back to default.
Plug the power cord and turn ON the computer.
On the next startup, enter BIOS setup to re-enter user settings.
The BIOS password is used to protect BIOS settings from unwanted changes.
To erase the BIOS password follow these steps:
Turn OFF the computer.
Move the jumper to Clear.
Turn ON the computer to POST screen.
Turn OFF the computer.
Move the jumper to Default.
Enter BIOS setup to verify or configure new settings.