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870 Motherboard Layout

Legend
Item Description Item Description
A Wake On Ring Connector R Fan 1 Connector
B PCI Slots S Floppy Connector
C SMC FDC37C777 Super I/O Controller T Front Panel Connectors (J8G2)
D Wake On LAN Connector (Optional) U Secondary IDE Connector
E Crystal CS4236B V Primary IDE Connector
F Aux. Line-In Connector (Optional) W Front Panel Connectors
G Telephony Connector (Optional) X AGP Port
H CD-ROM Audio Connector (Optional) Y 82371EB PIIX4E
J Fan 3 Connector Z PC/PCI Connector
K Rear Port Connectors AA Crystal CS4611 PCI Audio Accelerator (Optional)
L SLOT1 SEC Cartridge Connector BB Battery
M 82443BX PCI AGP Controller (PAC) CC Flash BIOS
N Fan 2 Connector DD System Configuration Jumper Block (J8A1)
P DIMM sockets EE Piezo Speaker
Q Power Supply Connector FF ISA Slots

Rear Ports

Jumpers
Function Jumper J8A1 Configuration
Normal
1-2
The BIOS uses current configuration information and passwords for booting.
Configure
2-3
After POST, CMOS Setup runs automatically. The maintenance menu is displayed.
Recovery
(None)
The BIOS attempts to recover the BIOS information. A recovery diskette is required.

Crystal Audio Chipset